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Mistral Medium 3.5 pricing and routing profile

Mistral Medium 3.5 from Mistral AI lists at $1.50 per million input tokens and $7.50 per million output tokens, with a 262,144-token context window. Prices from OpenRouter's catalogue on 2026-09-28.

Input, per 1M tokens$1.50
Output, per 1M tokens$7.50
Context window262K
Confidence signalNot exposed

Tool callingStructured outputReasoning control

Cost per 1,000 requests

Request shapeList cost
Classification or routing (600 tokens in, 10 out)$0.975
Chat reply (2,000 in, 400 out)$6.00
Retrieval-augmented answer (8,000 in, 500 out)$15.75

Before prompt caching. Try your own shape in the cost calculator.

Can Gimbix route to it first?

Not as a first-answer model through OpenRouter: no host returns token log probabilities for Mistral Medium 3.5. It can still be the model Gimbix falls back to when a cheaper model is unsure.

Cheaper models that can answer first

Models priced below Mistral Medium 3.5 that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.

ModelInput / output per 1MCheaper on a chat reply
Qwen3.7 Max$1.48 / $4.4221%
GLM 5.1$1.40 / $4.4024%
Qwen3.6 Max Preview$1.03 / $6.1625%
Grok 4.3$1.25 / $2.5042%
Grok 4.20 Multi-Agent$1.25 / $2.5042%
Grok 4.20$1.25 / $2.5042%

Questions

How much does Mistral Medium 3.5 cost?

Mistral Medium 3.5 lists at $1.50 per million input tokens and $7.50 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $6.00 per 1,000 requests.

What is the context window of Mistral Medium 3.5?

262,144 tokens.

Can a cheaper model replace Mistral Medium 3.5?

Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Mistral Medium 3.5 on one half of your requests and make at most three answers worse on the other.