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: GPT-5 Image
Mistral: Mistral Small 4 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
[GPT-5](https://openrouter.ai/openai/gpt-5) Image combines OpenAI's GPT-5 model with state-of-the-art image generation capabilities. It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image …
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Small 4 | OpenAI: GPT-5 Image | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 400K | 🏆 OpenAI: GPT-5 Image |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.15 | $10.00 | 🏆 Mistral: Mistral Small 4 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.60 | $10.00 | 🏆 Mistral: Mistral Small 4 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| 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: GPT-5 Image?
Mistral: Mistral Small 4 wins on 2 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: GPT-5 Image?
Input: $0.15 vs $10.00 per 1M tokens. Output: $0.60 vs $10.00 per 1M tokens.
What context windows do Mistral: Mistral Small 4 and OpenAI: GPT-5 Image support?
Mistral: Mistral Small 4 supports up to 262K tokens. OpenAI: GPT-5 Image supports up to 400K tokens.
Do both Mistral: Mistral Small 4 and OpenAI: GPT-5 Image support tool calling?
Mistral: Mistral Small 4: yes. OpenAI: GPT-5 Image: yes.