Mistral: Mistral Medium 3.5
The Mistral Medium 3.5 model is offered by vendor mistralai and supports input modalities of text, image, and file types. It has a context length of 262144 tokens and can handle up to 209715 completion tokens per response. For those seeking an AI model with extensive tool support and reasoning capabilities, the Mistral Medium 3.5 may be worth shortlisting. Its price point, at $1.5 per million input tokens and $7.5 per million output tokens, is relatively expensive compared to its benchmark score of 19.3 across a single independent evaluation.
Benchmark results
Independent, published benchmarks. Blended score 19.3 across 1 benchmark, last refreshed 2026-10-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 23.4 |
- Model ID
- mistralai/mistral-medium-3-5
- Vendor
- mistralai
- Released
- April 2026
- Tokenizer
- Mistral
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 209,715 tokens
- 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 Large 4
Mistral: Mistral Medium 3.5 (batch)
Mistral: Mistral Small 4
Mistral: Mistral Small 4 (batch)
Mistral: Mistral Large 3 2512
Mistral: Mistral Large 3 2512 (batch)
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.