Mistral AI · Released Sep 18, 2025Magistral Small 1.2
Open multimodal reasoning model for transparent analysis of text and images.
- Capability
- 131.4ECI · #124 of 148
- Input
- $0.50per 1M tokens
- Output
- $1.50per 1M tokens
- Context
- 131K131K max output
What it costs
- Input
- $0.50per million tokens
- Output
- $1.50per million tokens
- Blended (3:1)
- $0.75cheaper than 50% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $1.75 |
| Team assistant25M input + 5M output tokens | $20.00 |
| Production app250M input + 50M output tokens | $200.00 |
Median of 1 paid API provider on models.dev.
Independent benchmarks
#124 of 148 scored models
The shaded band is Epoch AI’s confidence range (126.5–133.4); the tick marks the median scored model.
Scores from Epoch AI, run independently of Mistral AI.
The details
- Lab
- Mistral AI
- Released
- Sep 18, 2025
- Context window
- 131,072 tokens
- Max output
- 131,072 tokens
- Inputs
- Text, Images
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- No
- Weights
- Open weights · Apache 2.0
- Availability
- 1 API providerlisted on models.dev
More from Mistral AI
About Magistral Small 1.2
How much does Magistral Small 1.2 cost?
Magistral Small 1.2 costs $0.50 input / $1.50 output per million tokens (median across 1 API provider). At a 3:1 input-to-output mix that is $0.75 per million tokens, cheaper than 50% of the 360 priced models we track.
What is the context window of Magistral Small 1.2?
Magistral Small 1.2 accepts up to 131,072 tokens per request and can write up to 131,072 tokens in one response.
How good is Magistral Small 1.2?
Epoch AI gives Magistral Small 1.2 a Capabilities Index score of 131.4 (likely range 126.5–133.4), ranking it #124 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 47.6%, OTIS Mock AIME 2024–2025 28.1%.
Is Magistral Small 1.2 open source?
Yes. Mistral AI publishes the weights under the Apache 2.0 licence, so it can be downloaded and self-hosted.
What inputs does Magistral Small 1.2 support?
Magistral Small 1.2 accepts text and images and replies in text. It is a reasoning model, supports tool calling.
When was Magistral Small 1.2 released?
Mistral AI released Magistral Small 1.2 on Sep 18, 2025.
What are the best alternatives to Magistral Small 1.2?
The closest current models from other labs on capability, price and release date are Llama 4 Maverick 17B Instruct (Meta, ECI 132.2, $0.321 / $0.91), GPT-4.1 mini (OpenAI, ECI 135.0, $0.40 / $1.60), DeepSeek-V3 (DeepSeek, ECI 132.3, $0.32 / $1.10) and QwQ 32B (Alibaba (Qwen), ECI 137.6, $0.66 / $1.00).