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Devstral

by Mistral AI · part of Devstral · Text · open weights

Mistral's large agentic coding model, built for software-engineering agents: Devstral Medium, then the open 123B Devstral 2.

Retired

31 Jul 2026The last version was Devstral 2, from 9 Dec 2025

Versions

2since Devstral Medium in July 2025

All versions

VersionReleasedAfter previousStatusComes asSource
Devstral 29 Dec 2025152 daysRetired123Bmistral.ai
Devstral MediumDevstral Medium 1.010 Jul 2025FirstRetiredmistral.ai

Dates from Mistral AI's own announcements; each row links to its source.

The Devstral family

Questions

What is the latest version of Devstral?

Devstral was retired on 31 Jul 2026. Its last version was Devstral 2, released on 9 Dec 2025.

When was Devstral Medium released?

Devstral Medium came out on 10 Jul 2025.