Mistral Medium 3.1
$0.40 per 1M input tokens and $2.00 per 1M output tokens · 131K context · vision, tools, JSON.
Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026
Cheaper ways to run the same model: Mistral Medium 3.1 (batch) at $0.20 / $1.00 — same model, different service (e.g. batch processing with a delay).
What Mistral Medium 3.1 costs per month
Estimated monthly bill for typical workloads, using the cached-input price for repeated context. Try your own numbers in the cost calculator.
| Workload | Per month |
|---|---|
| Customer chatbot 1,000 conversations a day, 8 turns each | $234 |
| Document Q&A (RAG) 500 questions a day over retrieved documents | $47.76 |
| Coding / tool-using agent 200 tasks a day, long tool-heavy contexts | $94.80 |
| Content generation 30 long articles a day | $5.58 |
| Classification / extraction 100,000 short items a day | $450 |
Price history
We started tracking Mistral Medium 3.1 on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.
Where to run Mistral Medium 3.1: 3 providers
Mistral is the cheapest at $0.40 input / $2.00 output per 1M tokens. Uptime is the average over the last 30 days as reported by OpenRouter; see provider reliability.
Cheaper alternatives to Mistral Medium 3.1
Models with the same tool calling, image input, structured output for at least 20% less (3:1 input/output mix), most capable first.
| Model | Input / 1M | Output / 1M | Context | Capabilities |
|---|---|---|---|---|
| MiMo-V2.6-Pro Xiaomi | $0.435 | $0.87 | 1.05M | visionaudiotoolsreasoningJSONopen weights |
| Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | visiontoolsreasoningJSON |
| GLM 5.3 Flash Z.ai | $0.041 | $0.12 | 1.05M | visiontoolsreasoningJSONopen weights |
| DeepSeek V4.1 Flash 1017 DeepSeek | $0.30 | $1.20 | 1.05M | visiontoolsreasoningJSONopen weights |
| GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.05M | visiontoolsreasoningJSON |
How to pay less for Mistral Medium 3.1
For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $312 a month at list price without caching:
| Option | Per month | You save |
|---|---|---|
| Move to MiMo-V2.6-Pro (similar capabilities) | $136 | $176 (56%) |
| Switch to Mistral Medium 3.1 (batch) | $156 | $156 (50%) |
| Use prompt caching (60% of input cached) | $234 | $77.76 (25%) |
Other workloads: cut-your-bill tool for Mistral Medium 3.1.
Specifications
| Model ID | mistralai/mistral-medium-3.1 |
| Input | text, image, file |
| Output | text |
| Tool calling | Yes |
| Structured output | Yes |
| Reasoning mode | No |
| Open weights | No |
| Knowledge cutoff | 2025-06-30 |
| Released | Aug 13, 2025 |
FAQ
- How much does Mistral Medium 3.1 cost?
- $0.40 per million input tokens and $2.00 per million output tokens; cached input costs $0.04 per million. Prices as of Oct 21, 2026.
- What is the context window of Mistral Medium 3.1?
- 131K tokens, with up to 105K output tokens per response.
- Does Mistral Medium 3.1 support images, tools and structured output?
- Images as input: yes. Tool calling: yes. Structured (JSON) output: yes. Reasoning mode: no.
- What are cheaper alternatives to Mistral Medium 3.1?
- Models with the same key capabilities for at least 20% less include MiMo-V2.6-Pro ($0.435 / $0.87), Claude Haiku 5.5 ($0.10 / $0.50), GLM 5.3 Flash ($0.041 / $0.12).
More from Mistral AI: all Mistral AI models · how we collect prices