Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from Magistral, multimodal understanding from Pixtral, an…
Model details →Mistral: Mistral Small 4 vs OpenAI: o1-pro
Mistral: Mistral Small 4 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 consistently better answers.
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Small 4 | OpenAI: o1-pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 Mistral: Mistral Small 4 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.15 | $150.00 | 🏆 Mistral: Mistral Small 4 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.60 | $600.00 | 🏆 Mistral: Mistral Small 4 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Mistral: Mistral Small 4 |
| 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 Small 4 better than OpenAI: o1-pro?
Mistral: Mistral Small 4 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Mistral: Mistral Small 4 and OpenAI: o1-pro?
Input: $0.15 vs $150.00 per 1M tokens. Output: $0.60 vs $600.00 per 1M tokens.
What context windows do Mistral: Mistral Small 4 and OpenAI: o1-pro support?
Mistral: Mistral Small 4 supports up to 262K tokens. OpenAI: o1-pro supports up to 200K tokens.
Do both Mistral: Mistral Small 4 and OpenAI: o1-pro support tool calling?
Mistral: Mistral Small 4: yes. OpenAI: o1-pro: not advertised.