Mistral Medium 3
Mistral model for multilingual chat, reasoning, and tool-assisted workflows.
- Capability
- 134.1ECI · #117 of 148
- Input
- $0.40per 1M tokens
- Output
- $2.00per 1M tokens
- Context
- 131K131K max output
What it costs
- Input
- $0.40per million tokens
- Output
- $2.00per million tokens
- Blended (3:1)
- $0.80pricier than 50% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $1.80 |
| Team assistant25M input + 5M output tokens | $20.00 |
| Production app250M input + 50M output tokens | $200.00 |
Official Mistral API price, as listed on models.dev.
Independent benchmarks
#117 of 148 scored models
The shaded band is Epoch AI’s confidence range (130.5–135.6); the tick marks the median scored model.
Scores from Epoch AI, run independently of Mistral AI.
The details
- Lab
- Mistral AI
- Released
- May 7, 2025
- Knowledge cutoff
- May 2025
- Context window
- 131,072 tokens
- Max output
- 131,072 tokens
- Inputs
- Text, Images
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- API model ID
mistral-medium-2505on Mistral- Availability
- 5 API providerslisted on models.dev
What Mistral AI claims
Published by the lab at launch. Settings vary, so compare these only with care.
More from Mistral AI
About Mistral Medium 3
How much does Mistral Medium 3 cost?
Mistral Medium 3 costs $0.40 input / $2.00 output per million tokens (official Mistral API price). At a 3:1 input-to-output mix that is $0.80 per million tokens, more expensive than 50% of the 360 priced models we track.
What is the context window of Mistral Medium 3?
Mistral Medium 3 accepts up to 131,072 tokens per request and can write up to 131,072 tokens in one response.
How good is Mistral Medium 3?
Epoch AI gives Mistral Medium 3 a Capabilities Index score of 134.1 (likely range 130.5–135.6), ranking it #117 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 59.5%, OTIS Mock AIME 2024–2025 32.2%.
Is Mistral Medium 3 open source?
No. Mistral Medium 3 is proprietary; you use it through Mistral’s API or partner platforms.
What inputs does Mistral Medium 3 support?
Mistral Medium 3 accepts text and images and replies in text. It is not a dedicated reasoning model, supports tool calling.
When was Mistral Medium 3 released?
Mistral AI released Mistral Medium 3 on May 7, 2025. Its training data runs to May 2025.
What are the best alternatives to Mistral Medium 3?
The closest current models from other labs on capability, price and release date are GPT-4.1 mini (OpenAI, ECI 135.0, $0.40 / $1.60), QwQ 32B (Alibaba (Qwen), ECI 137.6, $0.66 / $1.00), Llama 4 Maverick 17B Instruct (Meta, ECI 132.2, $0.321 / $0.91) and DeepSeek V3 0324 (DeepSeek, ECI 135.9, $0.24 / $0.90).