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Mistral AI

Mistral Medium Latest

Mistral Medium Latest is Mistral AI's frontier-class multimodal model for agentic and coding work, merging instruction following, configurable reasoning, and coding into one dense 128B model with a context window of 256K tokens.

ReasoningTool UseVision (Image)
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'mistral/mistral-medium-3.5',
  prompt: 'Why is the sky blue?'
})
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Frequently Asked Questions

  • What does it mean that Mistral Medium Latest is a merged model?

    Mistral Medium Latest combines instruction following, reasoning, and agentic coding in a single set of weights. Earlier Mistral AI lineups split these capabilities across the Medium, Magistral, and Devstral families.

  • What is Mistral Medium Latest's score on SWE-Bench Verified?

    77.6%, per Mistral AI's announcement. That result places Mistral Medium Latest ahead of Mistral AI's earlier Devstral coding models.

  • What is Mistral Medium Latest's context window?

    256K tokens. That capacity holds large codebases, long documents, or extended agent histories in a single request.

  • Does Mistral Medium Latest support image inputs?

    Yes. Mistral Medium Latest is multimodal, with a vision encoder that handles variable image sizes and aspect ratios across screenshots, documents, and diagrams.

  • Can I control how much Mistral Medium Latest reasons?

    Yes. Reasoning effort is configurable per request, so you can request quick replies for simple prompts and deeper test-time compute for hard agentic runs.

  • What is the pricing for Mistral Medium Latest?

    Check the pricing panel on this page for current rates. AI Gateway tracks pricing across every provider that serves Mistral Medium Latest.

  • Does AI Gateway offer Zero Data Retention for Mistral Medium Latest?

    Yes, Zero Data Retention is available for this model. Zero Data Retention is offered on a per-provider basis. See https://vercel.com/docs/ai-gateway/capabilities/zdr for details.

  • How do I access Mistral Medium Latest?

    Use Mistral Medium Latest through AI Gateway via the AI SDK, Chat Completions API, Responses API, Messages API, or other API formats, from TypeScript or Python. No separate Mistral AI API key is required.