Latest AI Resources

Mixed World Model 1.5 (Tencent HY WorldPlay) is the industry's first open source real-time world modeling framework released by Tencent, covering the entire chain of data, training, and streaming inference deployment. The core is the WorldPlay autoregressive diffusion model, which uses Next-F...

Molmo 2 is an open source multimodal model released by the Allen Institute for AI (Ai2) to improve video and multi-image understanding. Three variants are included; Molmo 2 (8B), Molmo 2 (4B) and Molmo 2-O...

LongCat-Video-Avatar is an advanced audio-driven video generation model built on LongCat-Video open-sourced by Meituan, focusing on generating hyper-realistic, lip-synchronized long videos with natural dynamics and consistent identity.

MiMo-V2-Flash is an open source MoE architecture large model released by Xiaomi, with 309 billion total parameters and 15 billion active parameters, focusing on efficient reasoning and intelligent body applications. The model adopts hybrid attention architecture and multi-word meta-prediction technology, with an inference speed of 150 tokens/second, into...

Nemotron 3 is a family of open source AI models released by NVIDIA in Nano, Super and Ultra sizes. It adopts the hybrid potential expert hybrid (latent MoE) architecture to significantly improve inference efficiency and reduce operating costs. Among them...

Wan-Move is an open source AI video generation framework jointly developed by Ali Tongyi Labs, Tsinghua University and other organizations, focusing on high-quality video synthesis through precise motion control technology. The core technology is "potential trajectory guidance", which can seamlessly add point-level motion control to the existing image-to-video model...

PaCoRe (Parallel Coordinated Reasoning) is StepFun's open source innovative parallel collaborative reasoning framework, through a massively parallel thinking mechanism, from multiple perspectives to simultaneously explore the problem solution, breaking through the traditional...

Banana Slides is an open source intelligent PPT generator based on the Nano Banana Pro AI model, which supports the rapid creation of professional presentations using natural language commands. Allows users to describe the topic (e.g. "Human impact on the ecosystem") in a single sentence, which can be self...

Kaleido is an open source multi-subject reference video generation model jointly developed by Hefei University of Technology, Tsinghua University and Smart Spectrum AI. It generates subject-consistent videos through multiple reference images, solving the deficiencies of existing models in multi-subject consistency and background decoupling.Kaleido generates videos through specialized data...

Paper2Slides is an open source AI tool from the Data Intelligence Laboratory of the University of Hong Kong that converts academic papers into professional slides or posters in one click. Using RAG (Retrieval Augmented Generation) technology, directly parsing the document content rather than relying on network information, to ensure that the generated PPT is highly consistent with the original...

RealVideo is an open-source real-time streaming video generation system from Smart Spectrum AI that can quickly generate natural and smooth video responses in 2 to 3 seconds. Users only need to upload a photo and enter text, and the system can generate corresponding voice and video, realizing real-time conversations with AI characters...

OpenScreen is an open source and free screen recording tool that provides users with an easy to use and fully functional alternative to Screen Studio. It supports both Mac and Windows, is completely free and follows the MIT protocol, and can be used for individual...

SCAIL (Studio-Grade Character Animation via In-Context Learning) is a film and television grade character animation generation framework proposed by Smart Spectrum in collaboration with Prof. Liu Yongjin's group at Tsinghua University. Through...

DeepSearchQA is Google's open-source AI research Agent test benchmark, specifically designed to evaluate the performance of intelligences on complex multi-step query tasks. It consists of 900 hand-designed "causal chain" tasks covering 17 domains, requiring the AI to act like a human researcher and push through multi-step...

Claude-Mem is an open source plugin for Claude Code that solves the problem of AI memory loss across sessions. It helps Claude by automatically capturing the tool's use of observations, generating semantic summaries, and injecting relevant context in subsequent sessions...

KoalaQA is an open source intelligent after-sales service system developed by the Chaitin team. Based on the AI model, it provides AI customer service, AI search and knowledge base management functions to help enterprises quickly build an intelligent Q&A platform. The system supports 24/7 real-time response ...

VoxCPM 1.5 is an open source speech generation model released by Facade Intelligence, based on text-to-speech (TTS) technology without the need for a splitter, featuring several innovations and improvements. Adopting an end-to-end diffusion autoregressive architecture, it generates continuous speech waveforms directly from text, avoiding the limitations of traditional segmentation methods...

Mistral Vibe is an open source command line coding assistant from Mistral AI, developed based on the Devstral model, which supports natural language interaction to complete code search, file manipulation, version control and other tasks. Can automatically scan the project structure and Git status through the @ symbol...

GLM-TTS is an open source industrial-grade speech synthesis system with powerful speech synthesis capabilities. Adopting a two-stage generation architecture: the first stage will be converted to text into speech token sequences, and the second stage will be converted into high-quality audio token sequences. The system supports only 3 seconds of voice samples to complete the sound...

Devstral 2 is a family of next-generation programming models designed for software engineering tasks from Mistral AI, consisting of Devstral 2 (123B parameter) and Devstral Small 2 (24B parameter) versions.D...

GLM-ASR is a family of high-performance speech recognition models open-sourced by Smart Spectrum AI, including the cloud-based model GLM-ASR-2512 and the open-source end-side model GLM-ASR-Nano-2512.GLM-ASR-2512 is the world's leading cloud-based speech recognition model, supporting multiple...

OpenAutoGLM is an open source intelligent body model with the ability of "cell phone use", which can understand the content of the cell phone screen through multi-modal perception, and automatically generate the operation flow to complete the user-specified tasks. Users only need to use natural language to describe the needs, such as "open Meituan to search for nearby hot pot ...

SurfSense is an open source AI research and knowledge management tool. Highly customizable, it can connect to search engines, Slack, Jira, Notion, YouTube, GitHub, and many other external data sources to facilitate users to integrate information. Users can upload a variety of...

GLM-4.6V is a series of multimodal large language models open-sourced by Smart Spectrum AI. The series contains two versions: GLM-4.6V (106B-A12B), the basic version for cloud and high-performance cluster scenarios, with the Mixed Expert (MoE) architecture, a total of about 106 billion references, and an activation...

InkSight is Google's open source AI handwriting recognition tool that converts paper handwritten notes into editable digital inked files (e.g. SVG format). Unlike traditional OCR , can recognize text content , can restore the handwriting style , paragraph structure and focus marking , support for multi-language processing .

NewBie-image-Exp0.1 is the first experimental anime text-born graph model open-sourced by the NewBieAI-Lab team, using the Next-DiT architecture with 3.5B parameters, optimized for the secondary style. The model is optimized for the secondary style by a dual text encoder (GEMMA3-4B...

LongCat-Image is an open source image generation and editing model released by the LongCat team of Meituan. Using a hybrid backbone architecture (MM-DiT+Single-DiT), combined with a visual language model (VLM) conditional encoder, it is able to realize text-generated images and multiple rounds of image editing...

VibeVoice-Realtime is Microsoft's open source lightweight real-time text-to-speech (TTS) model designed for low latency and real-time interaction. Supports streaming text input , from the first text token can be vocalized , the delay is only about 300 milliseconds , suitable for dynamic number ...

Flowra is ModelScope joint woo mile WULI team open source graph execution engine and node package development tools, is the core component of FlowBench. Through the directed acyclic graph (DAG) organization workflow , with intelligent caching , parallel scheduling , distributed support ...

RoboCOIN is the world's first large-scale dual-arm robot real machine dataset open-sourced by Beijing Zhiyuan Artificial Intelligence Research Institute in conjunction with a number of enterprises and colleges and universities, which contains 15 types of robot platforms, 180,000 real operation trajectories, and 421 types of task scenarios. The most important feature is the use of hierarchical annotation system to disassemble the task ...

TalkCody is a free and open source AI programming assistant desktop application , built on Rust + Tauri 2 , support for Windows, macOS and Linux three platforms , with native performance , fast startup and low resource consumption advantages . Supports more than 50 mainstream A...

MemMachine is an open source AI memory system developed by MemVerge, designed for AI models and intelligences, which can store and recall interaction data like the human brain, solving the problem of AI "stateless memory loss". It adopts a layered architecture (short-term memory, long-term memory, user image...

PartCrafter is an advanced 3D generative model, jointly proposed by Peking University, ByteDance and Carnegie Mellon University. It can generate multiple semantically explicit and geometrically diverse 3D mesh parts from a single RGB image at once. The models are modeled through a combinatorial potential space and...

GigaWorld-0 is the open source world modeling framework of domestic Embodied Intelligence startup GigaAI, mainly used to solve the data bottleneck problem in the field of Embodied Intelligence (Embodied AI). Efficiently generating high-quality, diverse and physically realistic training data, push...

Mistral 3 is the latest multimodal large model series released as open source by Mistral AI, including the flagship model Mistral Large 3 (675B total parameters) and the lighter version of the Ministral series (3B/8B/14B), both supporting image understanding...

Vidi2 is a second-generation multimodal video understanding and generation big model open-sourced by ByteDance, focusing on video content understanding, analysis and creation. It supports joint input of text, video, and audio modalities, and can simultaneously understand picture content, sound information, and natural language commands to achieve cross-modal interaction and push...

Alpamayo-R1 is a NVIDIA-developed Vision-Language-Action (VLA) model with reasoning capability, designed to enhance the decision-making capability of autonomous driving in complex scenarios. By introducing a causal chain reasoning mechanism, the vehicle is able to analyze scene causality (e.g., "cause before...

Ovis-Image is a 7 billion parameter text-generated graph model open-sourced by the AIDC-AI team of Alibaba International Digital Commerce Group, focusing on high-quality text rendering. Based on Ovis-U1 architecture, it inherits the advanced visual decoder and bi-directional Token refiner ...

Wujie-Emu3.5 is an open source multimodal world grand model from Beijing Zhiyuan Artificial Intelligence Research Institute, with 34 billion references and native world modeling capability. Trained by 10 trillion multimodal Token (including 790 years of video data), it can simulate the laws of physics and realize graphic generation, visual guidance...

GELab-Zero is an open source end-side multimodal GUI Agent model by Step Leap Team , built on Qwen3-VL-4B-Instruct base model with 4B parameters.It can recognize UI elements and perform operations such as clicking and sliding, and supports cross-application tasking ...

Depth Anything 3 (DA3) is a 3D visual reconstruction model developed and open-sourced by the Byte Jump Seed team. Through a single Transformer architecture to realize the spatial geometry of any viewpoint reconstruction, only need to predict the depth map and ray map can restore the three-dimensional scene, compared to...

DeepSeek-Math-V2 is an open source mathematical reasoning model by DeepSeek, an AI company under Phantom Cube, and the latest version is based on DeepSeek-V3.2-Exp-Base improvement, with performance surpassing that of Gemini DeepThink to reach the international number...

Z-Image is an open source image generation model from Ali Tongyi Labs with efficient, fast and powerful image generation capabilities. Using a single-stream diffusion Transformer architecture (S3-DiT), it integrates text, visual semantics and image VAE tokens into a unified input stream...

ROCK (Reinforcement Open Construction Kit) is Alibaba's open source sandbox for training environment of intelligences, which solves the problem that intelligences can't be scaled up for training in real environments.ROCK provides a highly stable sandbox management service...

ViMax is an open source multi-intelligence body video generation framework from the Data Science Laboratory of the University of Hong Kong, which can automate the whole process from creative input to video output. Integration of script generation , scene design , shot planning and video rendering and other functions , to support users to generate coherent film and television grade video through natural language description ...

FLUX.2 is an open source image generation and editing model released by Black Forest Labs that supports textual raw images, multi-image referencing, and image editing with richer details, clear textures, and stable lighting. There are four versions: FLUX.2 [pro] (comparable to the top closed source...

Fara-7B is a Microsoft open source release of a 7-billion-parameter-scale computer-operated agent (CUA) model based on the Qwen 2.5-VL-7B architecture. By visually parsing web page screenshots and performing clicks, inputs, and other actions on the screen, without relying on additional accessibility trees or multiple large models...

HunyuanOCR is a high-performance optical character recognition model open-sourced by the Tencent hybrid team, with a reference number of only 1 billion. Developed based on the hybrid multimodal architecture, it adopts an end-to-end design and can efficiently handle text detection, recognition and document parsing tasks. The model scored 94.1 points in the complex document test, surpassing...

Supertonic is open source, high-performance text-to-speech (TTS) system focused on rapid speech generation on local devices. Using ONNX Runtime technology, it can run on devices such as cell phones, computers and even Raspberry Pi, supports 23 languages and speech clones, and requires no network...

MiMo-Embodied is the world's first cross-embodied base model that successfully integrates Embodied AI and autonomous driving open-sourced by Xiaomi Group. It solves the knowledge migration problem between Embodied AI and autonomous driving, and realizes the unified modeling of tasks in the two fields.

MOSS-Speech is an open source speech-to-speech (Speech-to-Speech) big model by Prof. Qiu Xipeng's team at Fudan University. It breaks through the traditional speech processing, without the need for text guidance, and directly understands and generates speech, which can capture non-text elements such as intonation and emotion, making...

Parallax is the world's first "fully autonomous AI operating system" open-sourced by Gradient, a distributed AI lab. It supports cross-platform deployment of large models on Mac, Windows and other heterogeneous devices, allowing users to fully control the model, data and AI memory. The system is built-in network-aware ...

HunyuanVideo 1.5 is a Tencent hybrid big model team open source lightweight video generation model , based on the Diffusion Transformer (DiT) architecture , the number of parameters is 8.3B. support for generating 5-10 seconds of high-definition video , sub...

Awex is the Ant Group open source high performance weight exchange framework, designed for large-scale parameter synchronization in reinforcement learning. It can complete terabytes of parameter exchange in seconds, significantly improving the efficiency of training and inference.Awex has a very fast synchronization performance, in a thousand card cluster, trillion parameter models can be completed within 6 seconds of the full amount of...

Seekdb (OceanBase Seekdb) is Ant OceanBase open source AI native hybrid search database, supporting unified hybrid search of vector, full text, scalar and geospatial data, using multi-stage retrieval mechanism, to achieve high precision search under low latency ...

LoopTool is an automated tool-call data evolution framework open-sourced by Shanghai Jiao Tong University and Little Red Book team, designed to improve the tool-call capability of large language models. It optimizes data generation and model training through closed-loop iteration, using open-source models (e.g., Qwen3-32B) as data generation...

SAM 3D is a 3D reconstruction model based on the SAM series from Meta, including two branches, SAM 3D Objects and SAM 3D Body. SAM 3D Objects can generate interactive 3D object models from a single photo, supporting...

AgentEvolver is an open source intelligent body evolution system from Alibaba Tongyi Lab. Through the three mechanisms of self-questioning, self-navigation and self-attribution, it realizes the autonomous learning and evolution of intelligences.AgentEvolver adopts a service-oriented architecture that combines environmental sandboxes, LLMs, and sc...

MemOS is an open source memory management and scheduling framework for large language models (LLMs) such as MemTensor. Considering memory as a resource as important as arithmetic power, it unifies the management of plaintext, activation state and parameter memory through standardized MemCube memory units.

WithAnyone is an AI photo generation model jointly developed by Fudan University and StepStar, which solves the common "copy and paste" problem in traditional AI image generation and realizes more natural and controllable multi-person image generation. The model is based on the large-scale dataset MultiID-2M ...

ChatTutor is an open source AI teaching aid focused on visual and interactive learning of STEM subjects. Through the multi-intelligent body architecture to achieve dialogical Q&A and dynamic drawing function, can draw math graphs, physics circuits or mind maps on the whiteboard in real time, to help users intuitively understand the abstract generalization ...

DPAI Arena (Developer Productivity AI Arena) is an open benchmarking platform created by JetBrains to measure the effectiveness of AI-assisted development tools in real-world software engineering tasks. Through a transparent evaluation stream...

EverMemOS is an open source long-term memory operating system launched by the Shanda team led by Chen Tianqiao, designed for AI intelligences to solve the problem of memory breakage caused by the fixed context window of large language models. The system is based on the human brain memory mechanism, using a four-layer architecture (agent layer, memory layer, index layer...

Astron Agent is an open source enterprise-grade intelligent workflow development platform of KDDI , focusing on helping enterprises quickly build a landable AI agent application . Using Java + Spring Boot technology stack , support for lightweight private deployment (minimum 2-core 4G configuration) , built-in ...

Bee is a full-stack open-source multimodal big model solution jointly launched by Tencent Mixed Element team and Tsinghua University to narrow the performance gap between open-source and closed-source models by improving data quality. The project contains three core achievements: 15 million scale high-quality two-layer CoT dataset Honey-Data...

InfinityStar is a unified spatio-temporal autoregressive framework open-sourced by ByteDance, designed for high-resolution image and video generation. Using a discrete autoregressive approach, it can simultaneously handle text-to-image, text-to-video, and image-to-video tasks in a single model. The framework is benchmarked in VBench ...

Koina is an open source decentralized machine learning platform focused on simplifying proteomics data analysis. Developed by a team from the Technical University of Munich, Germany and the University of Michigan, USA. The platform integrates more than 30 mainstream models (e.g., ProSIT, MS²PIP) through a standardized interface and supports peptide mass...

VibeThinker-1.5B is a 1.5 billion parameter large-scale language model open-sourced by Weibo AI. Fine-tuned based on Alibaba's Qwen2.5-Math-1.5B, it is optimized for mathematical and coding tasks and performs well, with industry-leading inference performance.

BestBlogs is a platform focused on providing high-quality content for technology practitioners, entrepreneurs, product managers, and more. Through RSS feeds and crawler technology, it collects articles, podcasts, videos, and other multi-format content from more than 400 high-quality blogs. The core strength lies in utilizing AI big language...

Egocentric-10K is a large-scale first-person view (egocentric) factory operations video dataset open-sourced by the build.ai team. The dataset contains 10,000 hours of video, totaling 1.08 billion frames, involving 2...

LazyCraft is an open source AI Agent application development and management platform built by Shangtang based on the open source framework LazyLLM, which provides one-stop AI application development solutions for enterprises and developers. It helps developers to quickly build and release large model applications with low threshold and low cost...

Kosong is a new AI Agent development framework open-sourced by Dark Side of the Moon (Moonshot AI) that provides developers with a lightweight, flexible, and highly scalable underlying support for building next-generation intelligent body applications. With an asynchronous tool orchestration engine that efficiently schedules multiple tools...

SenseNova-SI is an open source spatial intelligence grand model released by ShangTech, focusing on improving AI's ability in spatial understanding and reasoning. The model excels in six core dimensions, including spatial measurement, reconstruction, relationship judgment, perspective transformation, deformation analysis, and spatial reasoning, significantly outperforming other...

Omnilingual ASR is a multilingual speech recognition framework introduced by Meta, covering 1600+ languages, with 78% language character error rate lower than 10%. its 7 billion parameter wav2vec 2.0 encoder combined with CTC and Transformer decoder, support...

Frappe Builder is open source low-code website builder, developed by Frappe, the core feature is to provide a Figma-like visual editor that supports drag-and-drop components to build websites quickly. Part of the Frappe ecology (Frappeverse)...

DeepOCR is an open source replication project that implements the core architecture of DeepSeek-OCR, which efficiently processes textual information through optical compression techniques. The core is DeepEncoder, consisting of SAM-base (processing high-resolution images), 16× convolutional compressor...

Glow is open source command line tool for elegantly rendering Markdown files in the terminal. The tool supports highlighting code blocks , mathematical formulas and other complex elements , providing a wealth of features such as custom styles , paging display , mouse support and so on.

NocoBase is based on AI-driven open-source no-code development platform that supports the rapid construction of business systems, without programming to complete the application development through configuration. The project uses Apache-2.0 protocol , provides private deployment and flexible scalability , suitable for enterprise management , collaboration platforms and other fields ...

UniWorld V2 is a new generation of image editing model jointly launched by RabbitZhan Intelligence and UniWorld team of Peking University. It has significant advantages in the field of image editing, especially in Chinese comprehension and execution of complex commands. The model can accurately render artistic Chinese fonts and support fine...

SmartResume is Alibaba open source intelligent resume parsing and optimization tool , can efficiently extract structured information from PDF, images or Office documents , such as basic information , education and work experience . By integrating OCR technology and PDF metadata...

Step-Audio-EditX is an open source audio editing grand model, developed by the Step-Star team, focusing on fine-grained manipulation of audio content through artificial intelligence technology. The model can dynamically adjust the mood of the audio, speaking style (such as petulant, old man accent, etc.) and paralinguistic elements (such as laughter, sigh...

Open-o3 Video is an open source video inference model jointly developed by Peking University and ByteDance, focusing on enhancing video inference through temporal and spatial evidence. By explicitly labeling key evidence with timestamps and bounding boxes, it helps the model better understand and interpret video content.

Handy is open source and free local speech to text tool, supporting Windows, MacOS and Linux systems, developed by Rust and React. It is suitable for quick transcription and text input by processing voice data locally without uploading it to the cloud to ensure privacy and security.

FG-CLIP 2 is the world's leading graphical cross-modal visual language model (VL-M) launched by 360 Artificial Intelligence Research Institute, which surpasses similar models from Google and Meta in 29 authoritative benchmark tests, making it the most powerful VL-M at present.It is able to accurately recognize the gross...

BettaFish is an open source multi-intelligence system for public opinion analysis. Using multi-intelligent body architecture, through Query, Media, Insight, Report and other Agents work together to achieve retrieval, extraction and reporting closed loop. The system supports AI-driven full ...

Ouro is a new type of Looped Language Models (LLMs) developed by the ByteDance Seed team, with the core innovation of directly building inference capabilities in the pre-training phase through a parameter-sharing recurrent computation structure. The model uses 24 layers as the base block through...

ChronoEdit, an open-source AI image editing framework developed by NVIDIA in conjunction with the University of Toronto, redefines the image editing task as a video generation task to ensure that the editing results are temporally and physically consistent. By distilling a pre-trained video generation model with 14B parameters from a...

LongCat-Flash-Omni is an open source fully modal big language model released by the LongCat team of Meituan. With a parameter scale of 560 billion (27 billion activated parameters), it realizes millisecond-level real-time audio and video interaction capabilities while maintaining a large number of parameters.

Petri is an open source AI security auditing framework developed by Anthropic that systematically assesses the security and behavioral alignment of AI models. By simulating a real-world scenario where an automated auditor engages in multiple rounds of conversations with a target model, followed by a judge agent that acts on the model's...

Kimi Linear is a new hybrid linear attention architecture open-sourced by Dark Side of the Moon, with Kimi Delta Attention (KDA) as the core, optimizing the traditional attention model through a finer-grained gating mechanism, which significantly improves the hardware efficiency and memory control ability ...

FIBO is the world's first open source text generation image model with native JSON support developed by Bria AI. Based on the DiT (Diffusion Transformer) architecture with 8B parameters, it adopts the Flow Matching training method...

SoulX-Podcast is Soul AI Lab's open source advanced multi-speaker conversational speech synthesis model designed for generating high quality podcast content. SoulX-Podcast has the ability to generate multiple rounds of conversations, which can simulate smooth conversations in real podcasting scenarios, and supports Mandarin, English, and multiple Chinese...

GigaBrain-0 is the first end-to-end Vision-Language-Action (VLA) embodied base model in China that uses world model generation data to realize real machine generalization, and it is jointly released as open source by GigaVision and Hubei Humanoid Robot Innovation Center. It adopts the hybrid Transformer architecture, integrating ...

Ming-flash-omni-Preview is an open-source full-modal macromodel released by Ant Group inclusionAI, with a parameter scale of hundreds of billions, based on the sparse MoE architecture of Ling 2.0, with total parameters of 103B and activations of 9B. in full-modal understanding and generating...

OmniVinci is an open-source, fully modal large-scale language model developed by NVIDIA that solves the problem of modal fragmentation in multimodal models through architectural innovation and data optimization. Alignment of visual and audio embeddings is enhanced by OmniAlignNet, which utilizes temporally embedded group capture...

olmOCR 2 is an open source multimodal document parsing model from the Allen Institute for Artificial Intelligence (AI2) and is an upgraded version of olmOCR. The digitized printed documents (e.g. PDF) will be high...

ValueCell is an open source multi-intelligent body financial application platform that improves the efficiency of financial analysis and investment management through AI technology. Simulating a professional investment team, multiple AI intelligences work together, covering market analysis, sentiment analysis, fundamental research, automated trading and other functions, to provide users with a comprehensive...

Dexbotic is the open source Visual-Linguistic-Action (VLA) model of embodied intelligence one-stop scientific research service platform of Dexmal, which solves the problems of fragmentation and low efficiency of research in the field of embodied intelligence. Based on PyTorch, Dexbotic is a one-stop research service platform to solve the problems of fragmentation and inefficiency in the field of embodied intelligence...

LongCat-Video is a 1.36 billion parameter video generation model open source by the LongCat team, using the MIT open source protocol, supporting three major tasks: text-generated video, graph-generated video and video continuation. The model through the "coarse to fine" generation strategy and block sparse attention mechanism, can be in a number of minutes ...