Skip to content
Discuss your project
Model Change Index
  • OverviewNext shutdowns and latest changes
  • ShutdownsEvery date, one row per platform
  • ChangesReleases, deprecations, redirects and prices
  • LeaderboardEvery model, its scores and price
  • Check my stackYour models on one timeline
Track my stack

Leanstral

Shut downMistral AImistral/leanstral1 platform

Add its dates to my calendar
Next shutdown
None setNo date on 1 platform
Context window
256Ktokens
Released
Mar 16, 2026Mistral AI

Dates on every platform

1 listings · a floor is the earliest possible date
Leanstral on each platform: model ID, status, dates, replacement and source
PlatformModel ID and statusDeprecatedShuts downReplacement
Mistral APIMistral AI: Models Overview (opens in a new tab) · checked Oct 14, 2026labs-leanstral-2603Shut downShut downLeanstral 1.5

Labs model: experimental, free of charge and open to silent updates.

What breaks when you move off Leanstral

No breaking changes are recorded for the move to Leanstral 1.5. Run your own cases on it before the date.

Change history

ShutdownLeanstral retires from the Mistral APIMistral API

The Labs model labs-leanstral-2603 retired on 30 June 2026. Mistral names Leanstral 1.5 as the replacement.

Platform
Mistral API
Replacement
Leanstral 1.5
Announced

Source: Mistral AI, Models Overview (opens in a new tab)

Built by TeqEngine. Forward-deployed AI engineering, no model to sell. Moving an agent to a new model? Ask for a Next-Model Check.