DeepSeek V4 Flash 0731
DeepSeek's updated free-to-download model that is better at completing agent-style tasks and coding, free for anyone to use under the MIT license.
Key facts
- Released
- Jul 31, 2026
- What it does
- Text and chat: Writes, answers questions and holds a conversation.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.
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- Knowledge cutoff
- May 2025 · the latest events it learned about
- How
- Free to download
- Size
- Parameters: The numbers a model learns during training: a rough measure of its size. Bigger usually means more capable, but slower and pricier to run. 7B means 7 billion.
- Announced as
- “DeepSeek-V4-Flash-0731 - HuggingFace”
From trckr's archive of releases before it started watching. Date and details from Epoch AI's database of AI models (CC BY 4.0).
Price and limits
What developers pay to use it through the API: How developers plug a model into their own apps and pay per use. A model that's "in the API" can be used by programmers, even if it isn't in a chat app yet., per million Tokens: The small chunks of text a model reads and writes, about three-quarters of a word each. Prices and limits are counted in tokens. sent (input) or written back (output), and how much it can take in at once.
- Input
- $0.15
- per million tokensCached: $0.003
- Output
- $0.60
- per million tokens
- Context window: How much a model can keep in mind at once: your question, any files you share and its own replies. Measured in tokens; 1,000 tokens is about 750 words.
- 1.05M tokens
- about 790,000 words
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- Longest answer
- 393K tokens (about 290,000 words)
From the lab's own listing on models.dev and OpenRouter, checked .
How it scores
From independent testers, never the lab's own claims.
- Combined test score#47 of 235
- GPT-6 Astra169
- 2GPT-6.1 Sol169
- 46GPT-5.2154
- 47DeepSeek V4 Flash 0731154
- 48GLM-5.3-Flash154
Source: Epoch AI · Epoch Capabilities Index
- Chat answers, by people's votes#85 of 86
- Gemini 4 Carbon1,527
- 2Gemini 4 Argon1,522
- 84GPT-6 Luna1,440
- 85DeepSeek V4 Flash 07311,439
- 86Gemma 4 26B A4B1,437
Source: LMArena · LMArena text, adjusted for style
- Building apps, by people's votes#36 of 85
- Claude Opus 5.51,818
- 2Claude Sonnet 5.51,773
- 35MiniMax M3.1 Flash1,582
- 36DeepSeek V4 Flash 07311,582
- 37DeepSeek V4 Pro 08131,581
Source: LMArena · LMArena WebDev
Compare DeepSeek V4 Flash 0731 with
It came out 98 days after DeepSeek V4 Pro 0813, the lab's previous model.
The details
DeepSeek-V4-Flash-0731 is an official update to DeepSeek's V4 Flash Language model (LLM): A model trained on huge amounts of text to read and write. The engine behind chatbots like ChatGPT, Claude and Gemini., with about 280 billion parameters: Data-centre scale: it runs on many chips (GPUs) at once. Parameters are the numbers a model learns: a rough measure of its size., released as Open weights: The model's files are public, so anyone can download it, run it on their own computer and build on it, usually for free. trckr labels these "Open". under the MIT license with stronger Agent: An AI that doesn't just answer but takes steps on its own to finish a task: searching the web, running code or using apps. capabilities and a speculative decoding module.
Model ID: The exact name developers type to use a model, like gpt-5-mini. New IDs often show up in a lab's systems before the official announcement, which is how trckr spots many releases early.
deepseek/deepseek-v4-flash-vision-expTimeline
/OpenRouterFirst signal
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