Mistral: Mistral Small 4
Mistral Small 4 from MistralAI is designed for handling both text and image inputs with a context length of up to 262,144 tokens, making it suitable for complex tasks that require extensive contextual understanding. The model supports tools and reasoning, allowing for more dynamic interactions and problem-solving capabilities. This model stands as a solid choice for those looking for a reliable solution within its price range, offering $0.15 per million input tokens and $0.6 per million output tokens. With a blended benchmark score of 5.6 across one independent evaluation, it provides a balanced performance that justifies its cost, making it a reasonable option for businesses or projects seeking efficient AI assistance without overpaying.
Benchmark results
Independent, published benchmarks. Blended score 5.6 across 1 benchmark, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 7.1 |
- 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 1 category it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #23 | Self-Hosted / LocalCost · 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.