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Mistral Large 4
Chat with Mistral Large 4 in your browser: a 1.05T-parameter MoE, 15 free daily credits, no API key, and no setup required.
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Why Use This Mistral Large 4 Chat
A single browser chat for a 1.05T-parameter Mixture-of-Experts: ask about security, legal, finance or images, get free daily credits, and install nothing.
- 1.05T Parameters With a Built-In Vision EncoderPublic preview began October 6, 2026 for Mistral AI's 1.05-trillion-parameter MoE; its 1.6B vision encoder reads text and images in a single prompt.
- 15 Free Daily CreditsSign up with Google or email in seconds; 15 credits arrive each day at midnight UTC, with no API key and no code required.
- Frontier-Level Quality for LessLaunch pricing comes to roughly $1.03 per million blended tokens — about one-nineteenth of GPT-6 Astra and one-eighth of Claude Opus 5.5.
How to Start Chatting With Mistral Large 4
Follow three simple steps to go from a blank page to a real reply from Mistral Large 4.
Where Mistral Large 4 Excels
These six areas show Mistral Large 4 at its strongest, beginning with the benchmarks it tops on Mistral's launch charts.
Security Research and Vulnerability Analysis
A standout strength: 93% on Cybench, 82% on CyberGym-E2E and 50 solved tasks on the AA Cyber Index — useful for code review, log analysis and fix explanations.
Reasoning Across Legal and Finance Documents
Vals AI's Harvey Legal Agent Benchmark scores it at 15.8, sixth of 75 models and nearly triple GPT-6 Astra's 5.4; Finance Agent v2 gives 54.7.
Object Detection and Chart Reading
Dense200 reaches 42.0 for locating objects in crowded scenes, while ChartQA Pro hits 63.1 for charts. Upload a photo and ask for bounding boxes.
Coding Agents, JSON and Function Calling
DeepSWE v1.1 scores 61.7%, and the Coding Agent Index ranks it above DeepSeek V4 Pro and Qwen3.8 Max; function calling, structured JSON and reasoning_effort: "high" are built in.
Support for 160+ Languages
Training covered 160+ languages, including every official EU language, so drafting, translation and support replies can all stay in one model.
116.1 Output Tokens per Second
Artificial Analysis measured 116.1 tokens/s versus a class median of 87, with a $1.03 blended rate per 1M tokens during the launch sale.
Mistral Large 4: Frequently Asked Questions
Clear answers on chatting with Mistral Large 4, daily credits, plan limits and the upcoming open weights.
Can I use Mistral Large 4 without a Mistral API key?
Yes. This page forwards your prompt to the Mistral API for you, so you need no key, billing account or code — just open the chat.
Why do free chats move to Mistral Small 4 after three replies?
Free accounts begin on Mistral Large 4 for 3 replies, then continue on Mistral Small 4. Pro plans and credit packs keep every answer on the larger model.
How are credits calculated for each reply?
Billing follows the tokens a reply actually uses: your message, the context sent with it and the answer. A short exchange costs 1 credit, the exact amount appears under each reply, and an interrupted reply charges only for the text you received.
Where is my chat history saved, and can I continue on another device?
Chats are stored in 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 will the Mistral Large 4 open weights be released?
Mistral aims for the end of October 2026. Hugging Face lists October 31 on the model page, while some press reports point to October 27.
Give Mistral Large 4 a Real Task
Paste a broken snippet, a contract clause, a rough spreadsheet note or a screenshot. Free accounts get 15 credits every day — no key and no setup.