Mistral: Mistral Medium 3.5
Mistral Medium 3.5 is an AI model developed by mistralai that can handle multiple input modalities, including text, images, and files. It supports context lengths of up to 262144 tokens and has a maximum completion token count of 209715. This model may be worth considering for organizations or individuals with specific use cases requiring the handling of diverse input types. However, its pricing is $1.5 per million input tokens and $7.5 per million output tokens, which may be steep compared to other models in the market. The model's benchmark standing also leaves room for improvement, with a blended score of 21.0 across only one independent benchmark.
Benchmark results
Independent, published benchmarks. Blended score 19.3 across 1 benchmark, last refreshed 2026-09-23. 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 Medium 3.5 (batch)
Mistral: Mistral Small 4
Mistral: Mistral Small 4 (batch)
Mistral: Mistral Large 3 2512 (batch)
Mistral: Ministral 3 8B 2512 (batch)
Mistral: Ministral 3 14B 2512
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.