Obituaries · Mistral
devstral-small-2507, 2025–2026
Mistral model switched off after 10 months
devstral-small-2507 passed away on May 31, 2026, aged 10 months, by scheduled deprecation, in a data center it never saw. It wrote code that other people then took credit for. Calls to its ID are now expected to fail.
Its work passes to Mistral Small 4, which the family describes as 'recommended'.
| Model ID | devstral-small-2507 |
|---|---|
| Provider | Mistral deprecations page |
| Born | July 1, 2025 |
| Shut down | May 31, 2026 |
| Successor | Mistral Small 4 |
In lieu of flowers
Replace the string. Search your code for devstral-small-2507 and swap it for Mistral Small 4, 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-small-2507 on Model Graveyard Check