# Mistral Large 4

Mistral Large 4 is Mistral AI's latest language model in our dataset (public preview), released Oct 6, 2026. Open weights are promised but not yet published. Mistral's 1.05T-parameter multimodal mixture-of-experts model, in public preview via API, with open weights promised by the end of October 2026. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/mistral-large-4 · JSON: https://theagenticweekly.com/api/models/mistral-large-4

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Mistral AI |  |
| Released | Oct 6, 2026 | https://mistral.ai/news/mistral-large-4/ |
| API id | `mistral-large-4` | https://docs.mistral.ai/models/mistral-large-4 |
| Context window | 1,000,000 tokens (1M) | https://docs.mistral.ai/models/mistral-large-4 |
| Parameters | 1.05T total, 52B active, mixture-of-experts | https://docs.mistral.ai/models/mistral-large-4 |
| Licence | Not yet published. Mistral says weights "drop end of this month" (October 2026). Until the weights and license are published we do not label it open-weights. | https://mistral.ai/news/mistral-large-4/ |
| Pricing | $1.36 in / $4.18 out per 1M tokens. Preview pricing as shown on Mistral's docs page. | https://docs.mistral.ai/models/mistral-large-4 |

## Vendor claims and neutral signals

- Vendor claim (Mistral): state-of-the-art among open models on cybersecurity, finance and law. Not independently verified by us.

## What we tested

Nothing yet. We have not run Mistral Large 4 ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- Output modalities and maximum output tokens were not captured. Recheck once the weights ship.

## Sources

- [Mistral model page](https://docs.mistral.ai/models/mistral-large-4)
- [Mistral announcement](https://mistral.ai/news/mistral-large-4/)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.