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 (batch) vs OpenAI: o3 Mini
Mistral: Mistral Medium 3.5 (batch) wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Medium 3.5 (batch) | OpenAI: o3 Mini | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 Mistral: Mistral Medium 3.5 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.75 | $1.10 | 🏆 Mistral: Mistral Medium 3.5 (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $3.75 | $4.40 | 🏆 Mistral: Mistral Medium 3.5 (batch) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Mistral: Mistral Medium 3.5 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Mistral: Mistral Medium 3.5 (batch) better than OpenAI: o3 Mini?
Mistral: Mistral Medium 3.5 (batch) 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 (batch) and OpenAI: o3 Mini?
Input: $0.75 vs $1.10 per 1M tokens. Output: $3.75 vs $4.40 per 1M tokens.
What context windows do Mistral: Mistral Medium 3.5 (batch) and OpenAI: o3 Mini support?
Mistral: Mistral Medium 3.5 (batch) supports up to 262K tokens. OpenAI: o3 Mini supports up to 200K tokens.
Do both Mistral: Mistral Medium 3.5 (batch) and OpenAI: o3 Mini support tool calling?
Mistral: Mistral Medium 3.5 (batch): yes. OpenAI: o3 Mini: yes.