Mistral: Mistral Small 4
Mistral Small 4 is an AI model from MistralAI that can process text and images, with a context length of 262,144 tokens and supports reasoning capabilities. It also offers tools integration but does not provide structured output, making it versatile for various tasks. This model stands as a solid choice for those looking to integrate diverse input modalities into their projects, given its performance benchmark score of 6.1 across independent evaluations. Considering the cost at $0.15 per million input tokens and $0.6 per million output tokens, Mistral Small 4 is priced reasonably, making it accessible for budget-conscious users while still delivering satisfactory results.
Benchmark results
Independent, published benchmarks. Blended score 6.0 across 1 benchmark, last refreshed 2026-07-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 7.7 |
- Model ID
- mistralai/mistral-small-2603
- Vendor
- mistralai
- Released
- March 2026
- Tokenizer
- Mistral
- Input Modalities
- text, image
- 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 $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 |
Category rankings
Where Mistral: Mistral Small 4 places across the 5 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #12 | Self-Hosted / LocalCost · of 25 ranked | 117 |
| #16 | Cheap Bulk InferenceCost · of 25 ranked | 137 |
| #17 | Social Media PostsWriting · of 25 ranked | 119 |
| #17 | Voice Assistant BackendVoice · of 25 ranked | 123 |
| #19 | Real-Time ChatLatency · of 25 ranked | 117 |
Similar models
Mistral: Mistral Medium 3.5
Mistral: Mistral Large 3 2512
Mistral: Ministral 3 14B 2512
Mistral: Ministral 3 8B 2512
Mistral: Mistral Small 3.2 24B
Mistral: Codestral 2508
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.