Mistral Small 3.1 24B
Efficient multimodal model for instruction following, coding, reasoning, and function calling.
- Capability
- 127.5ECI · #132 of 148
- Input
- $0.229per 1M tokens
- Output
- $0.436per 1M tokens
- Context
- 128K16K max output
What it costs
- Input
- $0.229per million tokens
- Output
- $0.436per million tokens
- Blended (3:1)
- $0.281cheaper than 71% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.675 |
| Team assistant25M input + 5M output tokens | $7.90 |
| Production app250M input + 50M output tokens | $78.95 |
Median of 2 paid API providers on models.dev.
Independent benchmarks
#132 of 148 scored models
The shaded band is Epoch AI’s confidence range (122.6–129.4); the tick marks the median scored model.
Scores from Epoch AI, run independently of Mistral AI.
The details
- Lab
- Mistral AI
- Released
- Mar 17, 2025
- Knowledge cutoff
- Jun 2024
- Context window
- 128,000 tokens
- Max output
- 16,384 tokens
- Inputs
- Text, Images
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Open weights
- Availability
- 2 API providerslisted on models.dev
More from Mistral AI
About Mistral Small 3.1 24B
How much does Mistral Small 3.1 24B cost?
Mistral Small 3.1 24B costs $0.229 input / $0.436 output per million tokens (median across 2 API providers). At a 3:1 input-to-output mix that is $0.281 per million tokens, cheaper than 71% of the 360 priced models we track.
What is the context window of Mistral Small 3.1 24B?
Mistral Small 3.1 24B accepts up to 128,000 tokens per request and can write up to 16,384 tokens in one response.
How good is Mistral Small 3.1 24B?
Epoch AI gives Mistral Small 3.1 24B a Capabilities Index score of 127.5 (likely range 122.6–129.4), ranking it #132 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 47.5%, OTIS Mock AIME 2024–2025 5.8%.
Is Mistral Small 3.1 24B open source?
Yes. Mistral AI publishes the weights, so it can be downloaded and self-hosted.
What inputs does Mistral Small 3.1 24B support?
Mistral Small 3.1 24B accepts text and images and replies in text. It is not a dedicated reasoning model, supports tool calling and can return structured JSON output.
When was Mistral Small 3.1 24B released?
Mistral AI released Mistral Small 3.1 24B on Mar 17, 2025. Its training data runs to Jun 2024.
What are the best alternatives to Mistral Small 3.1 24B?
The closest current models from other labs on capability, price and release date are Llama 4 Scout 17B Instruct (Meta, ECI 129.7, $0.225 / $0.69), GPT-4o mini (OpenAI, ECI 126.6, $0.15 / $0.60), Gemma 3 27B IT (Google, ECI 130.0, $0.08 / $0.20) and Claude Haiku 3.5 (Anthropic, ECI 127.2).