Mistral: Mistral Medium 3.1
The Mistral Medium 3.1 is an AI model developed by mistralai that supports various input modalities, including text, image, and file inputs. It has a high context length of 131072 tokens and can generate up to 104857 completion tokens. This model may be worth shortlisting for users who require a wide range of input formats and a decent benchmark score of 12.3 across one independent test. However, its high output cost per million tokens ($2.0) may make it less competitive than other models in certain use cases. Users should consider their specific needs and budget before deciding whether to further evaluate the Mistral Medium 3.1.
Benchmark results
Independent, published benchmarks. Blended score 12.3 across 1 benchmark, last refreshed 2026-09-10. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 16.3 |
- Model ID
- mistralai/mistral-medium-3.1
- Vendor
- mistralai
- Released
- August 2025
- Tokenizer
- Mistral
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 104,857 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- not supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.40/M input and $2.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.30 |
| A month of a busy support chatbot | 5M in / 2M out | $6.00 |
Similar models
Mistral: Mistral Medium 3
Mistral: Mistral Medium 3.1 (batch)
Mistral: Devstral 2 2512
Mistral: Ministral 3 3B 2512
Mistral: Mistral Small 3.2 24B
Mistral: Codestral 2508
Quick answers
- How much does Mistral: Mistral Medium 3.1 cost?
- $0.40 per million input tokens and $2.00 per million output tokens.
- What is Mistral: Mistral Medium 3.1's context window?
- 131,072 tokens, roughly 196 pages of text in a single request.
- Does Mistral: Mistral Medium 3.1 support tool calling?
- It supports tool calling, structured output.
- Can Mistral: Mistral Medium 3.1 process images?
- Yes, it accepts image input.