Mistral Large 4.0 API
Mistral's chat model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.
| Vendor | Mistral |
| Type | chat |
| Price | $1.84 per 1M input tokens · $5.64 per 1M output tokens |
| Context window | 128K tokens |
| Live test | Passed our live test in the last 7 days |
| Model ID (use this in your request) | mistralai/mistral-large-4-0 |
How to call Mistral Large 4.0
The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.
curl https://YOUR-ENDPOINT/v1/chat/completions \
-H "Authorization: Bearer YOUR-KEY" \
-H "Content-Type: application/json" \
-d '{"model": "mistralai/mistral-large-4-0", "messages": [{"role": "user", "content": "Hello"}]}'from openai import OpenAI
client = OpenAI(base_url="https://YOUR-ENDPOINT/v1", api_key="YOUR-KEY")
r = client.chat.completions.create(
model="mistralai/mistral-large-4-0",
messages=[{"role": "user", "content": "Hello"}],
)
print(r.choices[0].message.content)Similar models — price comparison
| Model | Price |
|---|---|
| GLM 5.1 | $1.3 per 1M input tokens · $5.2 per 1M output tokens |
| Inkling | $1.35 per 1M input tokens · $5.47 per 1M output tokens |
| Muse Spark 1.1 | $1.69 per 1M input tokens · $5.74 per 1M output tokens |
| Muse Spark 1.2 | $1.69 per 1M input tokens · $5.74 per 1M output tokens |
| Muse Spark 1.3 | $1.69 per 1M input tokens · $5.74 per 1M output tokens |
| Muse Spark Open | $1.69 per 1M input tokens · $5.74 per 1M output tokens |
More models from Mistral
| Model | Price |
|---|---|
| Mistral Ocr 2512 | $0.00405 per page |
| Mistral Ocr 3 | $0.00405 per page |
| Mistral Ocr 4 | $0.00675 per page |
| Mistral Ocr 4.0 | $0.00675 per page |
| Mistral Ocr Latest | $0.00675 per page |
| Voxtral Mini Transcribe | $0.004455 per audio minute |
| Voxtral Mini Transcribe 3.0 | $0.005197 per audio minute |
| Voxtral Small 24b 2507 Stt | $0.00405 per audio minute |
FAQ
How much does the Mistral Large 4.0 API cost?
On 666 AI, Mistral Large 4.0 costs $1.84 per 1M input tokens · $5.64 per 1M output tokens. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.
Can I use the official OpenAI SDK?
Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to mistralai/mistral-large-4-0.
How do I pay?
Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.