Mistral Medium 3.1
- Next shutdown
- None setNo date on 1 platform
- Arena Text
- 1,408#72 of 128 · Arena
- Context window
- 128Ktokens
- Released
- Aug 12, 2025Mistral AI
Dates on every platform
1 listings · a floor is the earliest possible date
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| Mistral APIMistral AI: Models Overview (opens in a new tab) · checked Oct 14, 2026 | mistral-medium-2508Shut down | Shut down | Mistral Medium 3.5 |
Mistral's models overview still showed the status Deprecated on 14 October 2026, after the retirement date.
The mistral-medium-latest alias pointed to this model before it moved to Mistral Medium 3.5.
What breaks when you move off Mistral Medium 3.1
Intelligence
Third-party results, credited below
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| Arena Text | Arena | 1,408 ± 1 | #72 of 128 | Oct 8, 2026 |
Arena (arena.ai), https://arena.ai/leaderboard
Change history
ShutdownMistral Medium 3 and 3.1 retire from the Mistral APIMistral API1 break
mistral-medium-2505 and mistral-medium-2508 retired on 31 August 2026. Mistral names Mistral Medium 3.5 as the replacement.
- Platform
- Mistral API
- Replacement
- Mistral Medium 3.5
- Announced
- PricingMistral Medium 3.5 has higher input and output list prices per token than Mistral Medium 3 and 3.1.
Source: Mistral AI, Models Overview (opens in a new tab); Mistral AI, API pricing (opens in a new tab); Mistral AI, Mistral Medium 3.1 model card (opens in a new tab); Mistral AI, Mistral Medium 3 model card (opens in a new tab)