# Migrating off labs-leanstral-2603

**Mistral** retires **labs-leanstral-2603** on **2026-06-30**.
Documented replacement: **Leanstral 1.5**.

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 |
|---|---|---|---|
| labs-leanstral-2603 | Mistral | 2026-06-30 | Leanstral 1.5 |

Also retiring on 2026-06-30:
- mistral-moderation-2411 (Mistral) → Mistral Moderation 2

Source: https://llmlatency.dev/migrate/mistral-labs-leanstral-2603