Devstral Small 1.1 is a 24B parameter open-weight language model for software engineering agents, developed by Mistral AI in collaboration with All Hands AI. Finetuned from Mistral Small 3.1 and released under the Apache 2.0 license, it fea…
Model details →Mistral: Devstral Small 1.1 vs OpenAI: GPT-4o-mini
Mistral: Devstral Small 1.1 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable than other recent frontier mo…
Model details →Side-by-side comparison
| Capability | Mistral: Devstral Small 1.1 | OpenAI: GPT-4o-mini | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 128K | 🏆 Mistral: Devstral Small 1.1 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $0.15 | 🏆 Mistral: Devstral Small 1.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $0.60 | 🏆 Mistral: Devstral Small 1.1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-4o-mini |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Mistral: Devstral Small 1.1 better than OpenAI: GPT-4o-mini?
Mistral: Devstral Small 1.1 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Mistral: Devstral Small 1.1 and OpenAI: GPT-4o-mini?
Input: $0.10 vs $0.15 per 1M tokens. Output: $0.30 vs $0.60 per 1M tokens.
What context windows do Mistral: Devstral Small 1.1 and OpenAI: GPT-4o-mini support?
Mistral: Devstral Small 1.1 supports up to 131K tokens. OpenAI: GPT-4o-mini supports up to 128K tokens.
Do both Mistral: Devstral Small 1.1 and OpenAI: GPT-4o-mini support tool calling?
Mistral: Devstral Small 1.1: yes. OpenAI: GPT-4o-mini: yes.