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Mistral AIMistral Medium familyCurrentMultimodal modelReleased 28 Apr 2026

Mistral Medium 3.5

Mistral’s current frontier model for coding agents, reasoning and vision.

Model idmistral-medium-3-5

Price$1.50 in, $7.50 out per 1M tokens

Checked29 September 2026

No published training cutoff

At least1,864events since its release on 28 April 2026

83 historic, 426 major. 199 days of news.

Mistral AI doesn’t publish a training cutoff, so we count from its release date. The real gap is larger.

Five things it has never heard of

How to call it

4 ways to use Mistral Medium 3.5, with the model id each provider expects.

Providers, model ids, endpoints and docs for Mistral Medium 3.5
ProviderModel idEndpointDocs
Mistral API mistral-medium-3-5 https://api.mistral.ai/v1/chat/completions docs.mistral.ai
OpenRouter mistralai/mistral-medium-3-5 openrouter.ai
Hugging Face huggingface.co
Web app chat.mistral.ai

Pricing

Prices for Mistral Medium 3.5
Input$1.50 per 1M tokens
Output$7.50 per 1M tokens

As published: “per 1M tokens (USD)”.

Source: docs.mistral.ai, checked 29 September 2026.

Specs

Input
Text and images
Output
Text
Context window
256,000 tokens
Max output
Not published
Open weights
Yes
Licence
Modified MIT
Training cutoff
Not published
Released
28 April 2026
Status
Current
Type
Multimodal model

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • One model replacing Devstral 2 and Magistral

    Frontier-class multimodal model for agentic and coding use; Mistral names it the replacement for deprecated Devstral 2 (deprecated 2026-05-22).

    Source: docs.mistral.ai

  • Open-weight 128B dense with vision

    128B dense weights on Hugging Face under a modified MIT license, 256K context, built-in tools and Agents/Conversations API support.

    Source: docs.mistral.ai

Notes

Alias mistral-medium-latest (version v26.04). Batch API supported (OpenRouter batch $0.75/$3.75). Knowledge cutoff not published.

curl https://api.mistral.ai/v1/chat/completions -H "Authorization: Bearer $MISTRAL_API_KEY" -H "Content-Type: application/json" \
 -d '{"model":"mistral-medium-3-5","messages":[{"role":"user","content":"Hello"}]}'

Sources: https://docs.mistral.ai/models/overview , https://docs.mistral.ai/models/model-cards/mistral-medium-3-5-26-04

Not yet checked against an official source: Official card lists 2 more aliases not verified.