# Migrating off devstral-small-2507

**Mistral** retires **devstral-small-2507** on **2026-05-31**.
Documented replacement: **Mistral Small 4**.

Source: https://docs.mistral.ai/getting-started/models/models_overview/
Source last checked: 2026-09-28.
Calendar as of 2026-09-28 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| devstral-small-2507 | Mistral | 2026-05-31 | Mistral Small 4 |

Also retiring on 2026-05-31:
- voxtral-mini-2507 (Mistral) → Voxtral Mini Transcribe 2
- devstral-medium-2507 (Mistral) → Mistral Medium 3.5
- mistral-ocr-2505 (Mistral) → OCR 4.1
- mistral-large-2411 (Mistral) → Mistral Medium 3.5
- pixtral-large-2411 (Mistral) → Mistral Medium 3.5

Source: https://llmlatency.dev/migrate/mistral-devstral-small-2507