Mistral Large 4 Chat Online – Try It Free
Chat with Mistral Large 4 in your browser, no API key needed. 3 free messages without an account, free daily credits after sign-up, plus prices, benchmarks and setup guides.
Your chat history is saved only in this browser.
Mistral Large 4 at a glance
- Developer
- Mistral AI (Paris, France)
- Released
- October 6, 2026 (public preview)
- Parameters
- 1.05T total, 49B active per token (Mixture of Experts)
- Context window
- 524,288 tokens via the API
- Max output
- 262,144 tokens
- Input / output
- Text and images in, text out
- API price (sale)
- $0.68 input / $2.09 output per 1M tokens (list $1.36 / $4.18)
- API model name
- mistral-large-4
- Reasoning
- reasoning_effort: "high" or "none"
- Open weights
- Scheduled for the end of October 2026
Sources: Mistral AI announcement and pricing page, OpenRouter model listing, Hugging Face model page. Checked Oct 6, 2026.
Everything about Mistral Large 4
API PricingMistral Large 4 API costs $1.36/$4.18 per 1M tokens, now 50% off at $0.68/$2.09. Estimate your bill and compare with DeepSeek V4, GPT-6 and Claude.BenchmarksMistral Large 4 benchmark scores: 61.7% DeepSWE, 59.9% AutomationBench, AA Index 38, Vals Index 48.05%. Mistral and independent results side by side.API GuideUse the Mistral Large 4 API with model ID mistral-large-4: cURL, Python and TypeScript code, reasoning_effort, image input, tools, JSON and OpenRouter.Run LocallyMistral Large 4 weights need about 1.05 TB at FP8 and 525 GB at 4-bit. GPU setups that fit, KV cache math and what to do before the weights ship.Weights & LicenseMistral Large 4 open weights are due by the end of October 2026 at mistralai/Mistral-Large-4.0-1T05-A52B. Status, release date, license and download size.Use It FreeYes: chat with Mistral Large 4 free on our homepage, 3 messages a day with no sign-up or 15 credits a day with a free account. Every other option compared.vs DeepSeek V4Mistral Large 4 vs DeepSeek V4 Pro: near-identical index scores, image input vs text-only, 524K vs 1M context, and what each costs at peak and off-peak.vs Large 3Mistral Large 4 vs Large 3: 1.05T vs 675B parameters, built-in reasoning, 2x the context, 160+ languages, and what the higher price means for your bill.UpdatesDated Mistral Large 4 timeline: Oct 6, 2026 preview, launch pricing and 50% sale, OpenRouter and Vercel access, first scores, end-of-October weights.FAQShort, sourced answers about Mistral Large 4: parameters, context window, API price, weights date, license, image input, hardware and free access.
Mistral Large 4 Chat Pricing
Start free with daily credits. Go Pro for long conversations and longer replies.
Pro
$39.90/mo
3,000 credits every month
- 3,000 credits per month (about 1 credit per typical reply)
- Up to 200K tokens of context and 16K-token replies
- No daily message cap
- Interrupted replies are only charged for the text you received
- Cancel anytime in your account
Mistral Large 4 chat FAQ
How the free chat, credits and Pro plan work.
Yes. You can send 3 messages a day without an account. A free account adds 15 credits every day, which covers roughly 10 to 15 typical replies.
No. Type in the chat box on the homepage and Mistral Large 4 answers right away. We handle the API connection for you.
Every reply is billed from the tokens it actually used: your message, the conversation history sent with it, and the answer. A short question and answer uses 1 credit. Long documents and long answers use more.
Pro costs $39.90 per month or $199.90 per year. It adds 3,000 credits per month (36,000 per year), conversations up to about 200K tokens and replies up to 16K tokens.
In your own browser. Clearing your browser data or pressing New chat removes it.
MistralLarge4.org is an independent site. Mistral AI makes the model; we provide a simple way to chat with it and a guide to its prices, benchmarks and setup.