Mistral: Mistral Medium 3.5
Mistral Medium 3.5, developed by MistralAI, boasts an extensive context length of 262,144 tokens and supports multiple input modalities including text, images, and files. It also offers reasoning capabilities and can handle tools, making it versatile for a range of tasks. This model shines in specific areas like coding but has lower performance in agentic tasks. With its blended benchmark score of 52.5 across three independent benchmarks, Mistral Medium 3.5 is best suited for those requiring robust text processing and integrated tool support at a reasonable cost, despite its higher pricing for input and output tokens.
Benchmark results
Independent, published benchmarks. Blended score 52.5 across 3 benchmarks, last refreshed 2026-08-03. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 49.4 |
| AI Index Coding | software engineering tasks | 77.4 |
| AI Index Agentic | multi-step tool-using tasks | 31.3 |
- Model ID
- mistralai/mistral-medium-3-5
- Vendor
- mistralai
- Released
- April 2026
- Tokenizer
- Mistral
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- default
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $1.50/M input and $7.50/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.06 |
| Classify 1,000 customer emails | 500k in / 50k out | $1.12 |
| A month of a busy support chatbot | 5M in / 2M out | $22.50 |
Similar models
Mistral: Mistral Small 4
Mistral: Mistral Large 3 2512
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Mistral: Ministral 3 14B 2512
Mistral: Ministral 3 8B 2512
Mistral: Codestral 2508
Quick answers
- How much does Mistral: Mistral Medium 3.5 cost?
- $1.50 per million input tokens and $7.50 per million output tokens.
- What is Mistral: Mistral Medium 3.5's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does Mistral: Mistral Medium 3.5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Mistral: Mistral Medium 3.5 process images?
- Yes, it accepts image input.