Mistral: Mistral Small 4
This AI model, Mistral Small 4, accepts input in both text and image formats and can handle contexts up to 262,144 tokens long. It also supports tools and reasoning capabilities. Mistral Small 4 may be worth considering for those who prioritize cost-effectiveness, as its pricing is $0.15 per million input tokens and $0.6 per million output tokens. The model has a blended benchmark score of 4.2 across one independent benchmark; however, further evaluation by multiple sources would provide a more comprehensive understanding of its capabilities.
Benchmark results
Independent, published benchmarks. Blended score 3.8 across 1 benchmark, last refreshed 2026-09-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 9.6 |
- Model ID
- mistralai/mistral-small-2603
- Vendor
- mistralai
- Released
- March 2026
- Tokenizer
- Mistral
- Input Modalities
- text, image
- 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 $0.15/M input and $0.60/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.10 |
| A month of a busy support chatbot | 5M in / 2M out | $1.95 |
Similar models
Mistral: Mistral Medium 3.5
Mistral: Mistral Medium 3.5 (batch)
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 Small 4 cost?
- $0.15 per million input tokens and $0.60 per million output tokens.
- What is Mistral: Mistral Small 4's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does Mistral: Mistral Small 4 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Mistral: Mistral Small 4 process images?
- Yes, it accepts image input.