Language model

Magistral Small 1.2

Mistral AI

Released: September 18, 2025
Data date: September 26, 2026

New in Magistral Small 1.2 is the multimodal revision of the 24B reasoning model. It enables longer reasoning. The weights use Apache 2.0.

Magistral Small 1.2 sits alongside Mistral Small 4, which combines reasoning with instruction following, image understanding, and coding. Mistral’s documentation lists 1.2 as deprecated.

Specifications and access

Specification	Value and source
Weights	Open weightsSource
Access	APISource
Parameters	24 billionSource
Context window	131,072 tokensSource
Maximum output	131,072 tokensSource
License	Apache 2.0Source
Inputs	Text, ImageSource
Outputs	TextSource
Reasoning	YesSource
Tool calling	YesSource

Sources and data date

Type	Evidence and data date
Additional source	models.dev catalog (retrieved September 26, 2026)
Additional source	Hugging Face · Magistral Small 1.2 model card · Editorial description reviewed October 2, 2026
Additional source	Magistral Small 1.2 model documentation · Editorial description reviewed October 2, 2026
Additional source	Mistral model overview · Editorial description reviewed October 2, 2026
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Creative Commons Attribution 4.0

Specifications and access

Popularity

Sources and data date