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Mistral Large 4
Chat with Mistral Large 4 — Mistral's 1.05T-parameter MoE, free in your browser: 15 daily credits, no API key, no setup.
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Why Chat With Mistral Large 4 Here
One browser chat for a 1.05T-parameter Mixture-of-Experts: security, legal, finance and image questions, free daily credits, nothing to install.
- 1.05T Parameters, One Vision EncoderPublic preview opened October 6, 2026 for Mistral AI's 1.05-trillion-parameter MoE, whose 1.6B vision encoder reads text and images in one prompt.
- 15 Free Credits Every DayGoogle or email sign-up takes seconds; 15 credits land daily at midnight UTC, and no key or code is needed.
- Frontier Quality at a Fraction of the PriceLaunch-sale pricing works out near $1.03 per million blended tokens — about a nineteenth of GPT-6 Astra and an eighth of Claude Opus 5.5.
How to Chat With Mistral Large 4
Three steps take you from a blank page to a real answer from Mistral Large 4.
What Mistral Large 4 Does Best
Six areas where Mistral Large 4 posts its strongest results, starting with the benchmarks it leads on Mistral's launch charts.
Security Work and Vulnerability Analysis
Its standout area: 93% on Cybench, 82% on CyberGym-E2E and 50 solved tasks on the AA Cyber Index — handy for code review, log reading and explaining a fix.
Legal and Finance Document Reasoning
Vals AI's Harvey Legal Agent Benchmark puts it at 15.8, sixth among 75 models and close to triple GPT-6 Astra's 5.4, while Finance Agent v2 gives 54.7.
Finding Objects and Reading Charts
Dense200 lands at 42.0 for locating objects in busy scenes, and ChartQA Pro at 63.1 for chart reading. Drop in a photo and request bounding boxes.
Coding Agents With JSON and Function Calling
DeepSWE v1.1 comes in at 61.7%, and the Coding Agent Index places it above DeepSeek V4 Pro and Qwen3.8 Max, with function calling, structured JSON and reasoning_effort: "high" built in.
More Than 160 Languages
Training spanned 160+ languages, every official EU language included, so drafting, translating and support replies all stay inside one model.
116.1 Output Tokens per Second
Artificial Analysis clocked 116.1 tokens/s where its class median sits at 87, paired with a $1.03 blended rate per 1M tokens during the launch sale.
Mistral Large 4 — FAQ
Straight answers about chatting with Mistral Large 4, credits, plans and the open weights.
Can I chat with Mistral Large 4 without a Mistral API key?
Yes. The page sends your prompt to the Mistral API for you, so no key, billing account or code is involved — just open the chat.
Why do free replies switch to Mistral Small 4 after the first three messages?
Free accounts start on Mistral Large 4 for 3 replies, then continue on Mistral Small 4. Pro and credit packs keep every answer on the larger model.
How are credits counted for each reply?
Billing follows the tokens a reply really consumed: your message, the context sent with it and the answer. A brief exchange comes to 1 credit, the exact figure sits under each reply, and an interrupted reply charges only the text you got.
Where is my chat history stored, and can I continue on another device?
Chats are saved to your account on any plan, so you can reopen them later from a phone or laptop.
Is this the official Mistral website?
No. This is an independent chat front-end that calls the Mistral API. Benchmark and price figures come from Mistral's launch announcement and provider pricing pages checked October 6, 2026.
When do the Mistral Large 4 open weights ship?
Mistral targets the end of October 2026. Hugging Face shows October 31 on the model page, while some press coverage points to October 27.
Ask Mistral Large 4 Something Real
Drop in a broken snippet, a contract clause, a scrappy spreadsheet note or a screenshot. Free accounts receive 15 credits daily — no key, no setup.