Obituaries · Mistral
devstral-medium-2507, 2025–2026
Retired by Mistral
devstral-medium-2507, a Mistral model that wrote code that other people then took credit for, was switched off on May 31, 2026, aged 10 months. Code that still calls it will find out the hard way.
Its work passes to Mistral Medium 3.5, which the family describes as 'recommended'.
| Model ID | devstral-medium-2507 |
|---|---|
| Provider | Mistral deprecations page |
| Born | July 1, 2025 |
| Shut down | May 31, 2026 |
| Successor | Mistral Medium 3.5 |
In lieu of flowers
Replace the string. Search your code for devstral-medium-2507 and swap it for Mistral Medium 3.5, or paste a repo into Model Graveyard Check to find every dead model at once.
Want to say something to it? Leave a letter on the farewell wall.
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Technical notice, with a code scanner: devstral-medium-2507 on Model Graveyard Check