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: GPT-5 Image Mini
Mistral: Mistral Medium 3.5 and OpenAI: GPT-5 Image Mini are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior inst…
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Medium 3.5 | OpenAI: GPT-5 Image Mini | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 400K | 🏆 OpenAI: GPT-5 Image Mini |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.50 | $2.50 | 🏆 Mistral: Mistral Medium 3.5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $7.50 | $2.00 | 🏆 OpenAI: GPT-5 Image Mini |
| 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: GPT-5 Image Mini?
Mistral: Mistral Medium 3.5 and OpenAI: GPT-5 Image Mini are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Mistral: Mistral Medium 3.5 and OpenAI: GPT-5 Image Mini?
Input: $1.50 vs $2.50 per 1M tokens. Output: $7.50 vs $2.00 per 1M tokens.
What context windows do Mistral: Mistral Medium 3.5 and OpenAI: GPT-5 Image Mini support?
Mistral: Mistral Medium 3.5 supports up to 262K tokens. OpenAI: GPT-5 Image Mini supports up to 400K tokens.
Do both Mistral: Mistral Medium 3.5 and OpenAI: GPT-5 Image Mini support tool calling?
Mistral: Mistral Medium 3.5: yes. OpenAI: GPT-5 Image Mini: not advertised.