Is Mistral Medium 3.5 available on FastMetal?

Not at the moment. Voxtral Mini 3B, from the same lab, is available on the FastMetal API today.

What is the context window of Mistral Medium 3.5?

262,144 tokens, shared between the prompt and the response.

mistralai/mistral-medium-3-5

Not Available

Mistral Medium 3.5

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

4/30/2026

262,144 tokens

Specifications

Modalities

Input

text

image

file

Output

text

Supported Parameters

frequency_penalty

include_reasoning

max_tokens

presence_penalty

reasoning

reasoning_effort

response_format

seed

stop

structured_outputs

temperature

tool_choice

tools

top_p

Reasoning Configuration

Default: Thinking on (effort: high)
Selectable effort levels: high
none
Turning thinking off: Possible (reasoning.enabled: false)

How to control thinking, and what it costs

Frequently asked questions

Is Mistral Medium 3.5 available on FastMetal?: Not at the moment. Voxtral Mini 3B, from the same lab, is available on the FastMetal API today.
What is the context window of Mistral Medium 3.5?: 262,144 tokens, shared between the prompt and the response.

Models you can use on FastMetal