Mistral Medium Models by MistralAI
MistralAIProprietary
MistralAI releases · 25 in the last 12 months · this family litChangelog →
3 models2023–2026Up to 256K ctxFrom $0.400/1M input
Last refreshed 2026-10-18. Next refresh: weekly.
About
Mistral AI's medium-sized flagship family for higher-quality general-purpose reasoning and tool use.
Decision facts
- Best fit
- vision and multimodal workreasoningJSON / Tool use
- Capability starting point
- Mistral Medium 3.5 with 256K context and reasoning, JSON / Tool use, structured outputs, and multimodal inputs
- Lowest tracked input
- Mistral Medium · $0.400/1M · OpenRouter
- Closest related family
- Devstral
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
2 in view1 retired
Mistral Medium 3.5Current
Use when the workload needs 256K context, 128B parameters, and reasoning.
2026-04256K context128B parametersreasoning
Mistral Medium 3Current
Use when the workload needs 128K context, JSON / Tool use, and structured outputs.
2025-05128K contextJSON / Tool usestructured outputs
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Mistral Medium 3.5 | Use when the workload needs 256K context, 128B parameters, and reasoning. | 2026-04 | 256K context128B parametersreasoning | Current |
| Mistral Medium 3 | Use when the workload needs 128K context, JSON / Tool use, and structured outputs. | 2025-05 | 128K contextJSON / Tool usestructured outputs | Current |
Release Timeline
3 release groups2026-04
1 current
Mistral Medium 3.5
Current256K context128B parametersreasoning
2025-05
1 current
Mistral Medium 3
Current128K contextJSON / Tool usestructured outputs
2023-12
1 retired
Mistral Medium
Archived32K contextstructured outputs
Specifications(3 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Reasoning | JSON / Tool use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|---|---|
| Mistral Medium 3.5 | 2026-04 | 256K | 128B | Yes | Yes | Yes | Yes | Yes | No |
| Mistral Medium 3 | 2025-05 | 128K | — | Yes | Yes | No | Yes | Yes | Yes |
Available From(6 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Mistral Medium 3 | Mistral AI Studio | $0.4 | $2 | Serverless |
| Mistral Medium 3 | OpenRouter | $0.4 | $2 | Serverless |
| Mistral Medium 3 | GCP Vertex AI | $0.4 | $2 | Serverless |
| Mistral Medium 3.5 | Mistral AI Studio | $1.5 | $7.5 | Serverless |
| Mistral Medium 3.5 | OpenRouter | $1.5 | $7.5 | Serverless |
| Mistral Medium 3.5 | Vercel AI Gateway | $1.5 | $7.5 | Serverless |
Popular comparisons in this family
- Magistral Small 2509 vs Mistral Medium 3.5155
- Claude Mythos Preview vs Mistral Medium 3.5144
- Codex 1 vs Mistral Medium 364
- Magistral Small 2506 vs Mistral Medium 3.559
- Mistral Large 3 675B Instruct vs Mistral Medium 344
- Magistral Small 2509 vs Mistral Medium 338
- Codex 1 vs Mistral Medium 3.535
- Claude Mythos Preview vs Mistral Medium 329
- Llama 2 7B vs Mistral Medium 328
- Codex Mini Latest vs Mistral Medium 326
