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Mistral Large 4
Ask Mistral Large 4 anything — security audits, contracts, charts — free in your browser with 15 daily credits and zero setup.
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Meet Mistral Large 4: Frontier Reasoning, Zero Install
A single chat window into a 1.05-trillion-parameter Mixture-of-Experts — audit code, read contracts, question charts, and collect 15 fresh credits each day.
- A Trillion-Scale Model That Also Sees ImagesPublic preview went live on October 6, 2026 for Mistral AI's 1.05-trillion-parameter MoE, whose 1.6B vision encoder reads screenshots and text side by side inside one prompt.
- Fifteen Credits, Refreshed Every DaySign in with Google or an email address in seconds. Fifteen credits arrive at midnight UTC daily, and you never touch an API key or write a line of code.
- Frontier-Level Output at Budget-Level CostLaunch-sale rates land near $1.03 per million blended tokens — roughly a nineteenth of GPT-6 Astra and an eighth of Claude Opus 5.5.
Three Moves to Your First Mistral Large 4 Answer
From a blank page to a finished reply in three quick moves.
Where Mistral Large 4 Pulls Ahead
Six areas where this model turns in its strongest numbers, beginning with the benchmarks it tops on Mistral's own launch charts.
Security Reviews and Vulnerability Hunting
Its standout territory: 93% on Cybench, 82% on CyberGym-E2E and 50 tasks solved on the AA Cyber Index — useful for code review, log triage and explaining a patch.
Contracts, Filings and Financial Reasoning
Vals AI's Harvey Legal Agent Benchmark scores it 15.8 — sixth of 75 models and nearly triple GPT-6 Astra's 5.4 — while Finance Agent v2 returns 54.7.
Object Localization and Chart Comprehension
Dense200 reaches 42.0 for spotting objects in cluttered scenes, and ChartQA Pro 63.1 for chart reading. Upload a photo and ask for bounding boxes.
Agentic Coding With Structured Output
DeepSWE v1.1 lands at 61.7%, and the Coding Agent Index places it ahead of DeepSeek V4 Pro and Qwen3.8 Max, with function calling, structured JSON and reasoning_effort: "high" built in.
Coverage Across 160+ Languages
Training spanned more than 160 languages, all official EU languages among them, so drafting, translation and support replies stay inside one model.
Fast Output at 116.1 Tokens per Second
Artificial Analysis measured 116.1 tokens/s against a class median of 87, alongside a $1.03 blended rate per 1M tokens during the launch sale.
Mistral Large 4: Common Questions Answered
Clear answers on credits, plans, chat history, open weights and how this front-end relates to Mistral.
Do I need an API key to chat here?
No. This page forwards your prompt to the Mistral API on your behalf, so there is no key, no billing account and no code to write — just open the chat.
Why do free replies move to Mistral Small 4 after three messages?
Free accounts answer three messages on Mistral Large 4, then continue on Mistral Small 4. Pro and credit packs keep every reply on the larger model.
How are credits calculated for a reply?
Charges follow the tokens actually consumed: your message, the context sent with it and the answer. A short exchange costs about 1 credit, the exact amount shows under each reply, and an interrupted reply bills only for what you received.
Where do my conversations live, and can I resume on another device?
Every chat is tied to your account on any plan, so you can reopen a thread later from a phone or a laptop.
Is this Mistral's official website?
No — it is an independent front-end that calls the Mistral API. Benchmark and pricing figures come from Mistral's launch announcement and provider pricing pages checked on October 6, 2026.
When will the open weights be released?
Mistral is aiming for the end of October 2026. The Hugging Face model page lists October 31, while some press reports point to October 27.
Give Mistral Large 4 a Real Problem
Paste a broken snippet, a contract clause, a rough spreadsheet note or a screenshot. Free accounts get 15 credits every day, with nothing to install or configure.