Mistral AI Product

Leanstral

Leanstral is a Mistral AI product filed under Generative AI Software. Lifecycle: versioned, 2 versions listed, latest 1.5 (labs-leanstral-1-5) (30 Jun 2026).

Generative AI Software

Releases and Lifecycle

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Release and support dates as published by Mistral AI; dates within the next 12 months are highlighted, past dates dimmed. Retrieved 2026-10-14.

Leanstral 2 versions

Version	Released	End of life	Source
1.5 (labs-leanstral-1-5)Labs model; deprecated 2026-09-29, retired 2026-09-30	30 Jun 2026	30 Sep 2026	[1][2][3]
26.03 (labs-leanstral-2603)Labs model; deprecated 2026-05-22, retired 2026-06-30	16 Mar 2026	30 Jun 2026	[1][2][3]

Sources 3

Changelog | Mistral Docs retrieved 2026-10-14
Models Overview | Mistral Docs retrieved 2026-10-14
Model lifecycle policy | Mistral Docs retrieved 2026-10-14

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