Mistral Medium 3.1
Open weightVisionToolsMistral · Released August 2025 · Knowledge cutoff June 2025
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...
It belongs to Mistral's catalog, which spans Medium (capability), Small and Ministral (efficiency) and dedicated code models, all with European data-residency roots.
Facts and pricing
- Provider
- Mistral
- Context window
- 131K tokens
- Input price
- 4.4 credits / 1M tokens ($0.40 raw)
- Output price
- 22.0 credits / 1M tokens ($2.00 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
Try Mistral Medium 3.1 now
What Mistral Medium 3.1 is best for
- Everyday chat and drafting on an open-weight model with transparent lineage
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Example prompts
Prompts that suit a open weight model like Mistral Medium 3.1:
- Draft a project update from these rough notes
- Explain how HTTPS works to a curious teenager
- Turn this list of features into a changelog entry
- Brainstorm objections to this proposal and how to answer them
Mistral family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Mistral Medium 3.5 | 262K | 16.5 | 82.5 | April 2026 |
| Mistral Small 4 | 262K | 1.7 | 6.6 | March 2026 |
| Devstral 2 2512 | 262K | 4.4 | 22.0 | December 2025 |
| Ministral 3 14B 2512 | 262K | 2.2 | 2.2 | December 2025 |
| Ministral 3 8B 2512 | 262K | 1.7 | 1.7 | December 2025 |
| Ministral 3 3B 2512 | 131K | 1.1 | 1.1 | December 2025 |
| Mistral Large 3 2512 | 262K | 5.5 | 16.5 | December 2025 |
| Voxtral Small 24B 2507 | 32K | 1.1 | 3.3 | October 2025 |
| Mistral Medium 3.1 | 131K | 4.4 | 22.0 | August 2025 |
| Codestral 2508 | 256K | 3.3 | 9.9 | August 2025 |
Frequently asked questions
- What is Mistral Medium 3.1?
- Mistral Medium 3.1 is an AI model by Mistral. Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...
- How much does Mistral Medium 3.1 cost on Zeplik?
- Input tokens cost 4.4 credits per million and output tokens 22.0 credits per million (1 credit = $0.10; the raw provider rates are $0.40 and $2.00 per million). New accounts start with free credits.
- How long can a conversation with Mistral Medium 3.1 be?
- Mistral Medium 3.1 has a 131K-token context window (131,072 tokens), which covers the conversation plus any documents you attach.
- Does Mistral Medium 3.1 support images and tools?
- Mistral Medium 3.1 accepts image input and supports tool calling.
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