# labs-leanstral-1-5 — Retired — shutdown 9/30/2026

For labs-leanstral-1-5, provider is Mistral AI; lifecycle status is Retired; deprecation announced is 9/29/2026; shutdown / retirement date is 9/30/2026, recorded from its source on 2026-10-01; source re-checked 2026-11-11.

- **Provider:** Mistral AI _(our reading, not quoted from the source)_
- **Model ID / API name:** labs-leanstral-1-5 _(verified: appears in the quote below)_
- **Human-readable model name:** Leanstral 1.5 _(verified: appears in the quote below)_
- **Lifecycle status:** Retired
- **Deprecation announced:** 9/29/2026 _(verified: appears in the quote below)_
- **Shutdown / retirement date:** 9/30/2026 _(verified: appears in the quote below)_

## What the source says

> Leanstral 1.5 ↗ | 1.5 | labs-leanstral-1-5 | 9/29/2026 9/30/2026 | |

## Source

- https://docs.mistral.ai/getting-started/models/models_overview/

Last verified: 2026-11-11. Review by: 2026-12-11.
Part of [AI model deprecation and retirement dates by provider](https://referencesource.org/ai-model-deprecation-and-retirement/).