Mistral: Mistral Medium 3.5

Mistral: Mistral Medium 3.5

mistralai · Released Apr 30, 2026
Intelligence #88 / 756
57.6 our score
Speed #77 / 333
143.7 tok/s
Input Price #623 / 779
$1.50 per 1M tokens
Output Price #641 / 779
$7.50 per 1M tokens
Context #229 / 779
262,144 tokens

Analysis Summary

Mistral Medium 3.5 is a multimodal business model with a 262K context window, tool use, and function calling. Its coding results are strong, while tool-oriented testing is particularly favorable. Vision and file input broaden its usefulness for document review, interface analysis, and operational assistants.

The model suits software support, structured content production, document workflows, and agents that need dependable interaction with external functions. General reasoning is less advanced than the leading flagship models, so difficult research, strategic synthesis, and high-stakes judgement may require escalation. Pricing sits in the middle of the market, making it more appropriate for valuable production workflows than indiscriminate bulk traffic. Adopt it as a capable coding and workflow specialist.

Assessed September 7, 2026

Editorial notes

Mistral Medium 3.5 combines strong coding, tool-use reliability, vision, and a 262K context window, making it a capable production choice despite only moderate general reasoning and midrange pricing.

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

DFO Verdict

Mistral Medium 3.5 combines strong coding, tool-use reliability, vision, and a 262K context window, making it a capable production choice despite only moderate general reasoning and midrange pricing.

#88 of 756 overall

Benchmark scores

GPQA Diamond 74.8%
HLE 12.8%
SciCode 39.6%
TerminalBench Hard 33.3%
τ²-Bench 94.2%
IFBench 68.8%
LCR 61%

Magenta = intelligence · Ink = technical/agentic · Cyan = content & long-context · Grey = community benchmarks. Data: Artificial Analysis, Hugging Face.

14.9 Intelligence Index·46.9 Coding Index·9.4 Agentic Index

How Mistral: Mistral Medium 3.5 compares

Mistral: Mistral Medium 3.5 ranks #171 of 438 AI models we track for overall intelligence, #80 of 210 for coding, #119 of 192 for agentic tasks. Its 262K-token context window is larger than 71% of the models we list. At $1.50 per million input tokens it is cheaper than 20% of comparable models.

Position in the field
Intelligence: smarter than 88% of models #88
Speed: faster than 77% of models #77
Price: cheaper than 20% of models #623
Context: larger than 71% of models #229
worst in fieldmedianbest in field
Price vs frontier peers · $ per 1M tokens
Mistral: Mistral Medium 3.5 $1.50 in $7.50 out
OpenAI: GPT-6 Astra $10.00 in $50.00 out
Anthropic: Claude Fable 5.1 $10.00 in $50.00 out
Claude Opus 5 $5.00 in $25.00 out

Dark bar = input · light bar = output, scaled to the priciest peer.

Context window vs peers · tokens
Mistral: Mistral Medium 3.5 262K

1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.

Intelligence3.7Technical4.3Value7Content7.4
Performance profile

Strongest on business fit. The pulled-in intelligence corner is the trade-off, and if the shape matters more than the price, this is your model.

Compare shapes side-by-side →

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $1.50 $0.001500
Output $7.50 $0.007500

What would Mistral: Mistral Medium 3.5 cost your business?

Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.

A website chatbot handling around 100 customer conversations a day, a few short messages each.

3,000
One request is one message, email, draft or automation call.
1,200 tokens

$0/mo Mistral: Mistral Medium 3.5

Full calculator with 779 models → Price Calculator

DFO AI AUTOMATION

These numbers get smaller with the right architecture.

We route routine calls to cheap models and save Mistral: Mistral Medium 3.5 for the hard ones. Most clients cut their estimate by 60-80%.

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About Mistral: 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..

Frequently asked questions about Mistral: Mistral Medium 3.5

How much does Mistral: Mistral Medium 3.5 cost?

Mistral: Mistral Medium 3.5 costs $1.50 per million input tokens and $7.50 per million output tokens.

What is the context window of Mistral: Mistral Medium 3.5?

Mistral: Mistral Medium 3.5 has a context window of 262,144 tokens (262K).

Is Mistral: Mistral Medium 3.5 good for coding?

On our coding benchmark index, Mistral: Mistral Medium 3.5 ranks #80 of 210 models, placing it in the broader range of the field for code generation and debugging.

What can Mistral: Mistral Medium 3.5 do?

Mistral: Mistral Medium 3.5 supports image/vision input, tool use, and function calling.

Who created Mistral: Mistral Medium 3.5?

Mistral: Mistral Medium 3.5 is developed by Mistral and was released on April 30, 2026.

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