Mistral · First-party API · LLM

mistral-medium-3-5

Release announcedReleased on Apr 28, 2026

Mistral released mistral-medium-3-5 on Apr 28, 2026. Source: docs.mistral.ai · Last checked Oct 23, 2026

Notice

Release announced

Released on Apr 28, 2026

Mistral announced this model on 2026-04-28.

Hosting route
First-party API
Affected scope
Not stated in the notice
Announced
Apr 28, 2026
First seen by ModelClock
Oct 12, 2026

What the provider published

docs.mistral.ai ↗
  • We released Mistral Medium 3.5 (mistral-medium-3-5), our frontier-class multimodal model optimized for agentic and coding use cases, with adjustable reasoning via the reasoning_effort parameter.

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