Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...
Model details →Mistral: Mistral Medium 3.5 vs OpenAI: o1-pro (batch)
Mistral: Mistral Medium 3.5 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Medium 3.5 | OpenAI: o1-pro (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 Mistral: Mistral Medium 3.5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.50 | $75.00 | 🏆 Mistral: Mistral Medium 3.5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $7.50 | $300.00 | 🏆 Mistral: Mistral Medium 3.5 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Mistral: Mistral Medium 3.5 |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Mistral: Mistral Medium 3.5 better than OpenAI: o1-pro (batch)?
Mistral: Mistral Medium 3.5 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Mistral: Mistral Medium 3.5 and OpenAI: o1-pro (batch)?
Input: $1.50 vs $75.00 per 1M tokens. Output: $7.50 vs $300.00 per 1M tokens.
What context windows do Mistral: Mistral Medium 3.5 and OpenAI: o1-pro (batch) support?
Mistral: Mistral Medium 3.5 supports up to 262K tokens. OpenAI: o1-pro (batch) supports up to 200K tokens.
Do both Mistral: Mistral Medium 3.5 and OpenAI: o1-pro (batch) support tool calling?
Mistral: Mistral Medium 3.5: yes. OpenAI: o1-pro (batch): not advertised.
Compare Mistral: Mistral Medium 3.5 with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest