Devstral 2 2512: API price, context window and how to connect
Devstral 2 2512 by Mistral AI: $0.4 per million input tokens, $2 per million output tokens, a 262K-token window. What it is good for, what to compare it with and how to connect it in SKILLOK.
In this article
In short#
Devstral 2 is Mistral AI's open model for agentic coding: dense, 123 billion parameters, a 256-thousand-token window. It can explore a codebase and edit it step by step.
Specifications#
| Provider | Mistral AI |
| Released | 2025-12-09 |
| Context window | 262K tokens |
| Accepts | text, files |
| Answers with | text |
| Reasoning mode | no |
| Tool calling | yes |
| Open weights | yes |
| Identifier | mistralai/devstral-2512 |
Price#
| Per 1M tokens | In dollars |
|---|---|
| Input (question, context) | $0.4 |
| Output (answer) | $2 |
For reference: a conversation of 20 questions of ~500 tokens and answers of ~800 tokens costs about $0.036. Models in reasoning mode spend more tokens on an answer than the text shows: the reasoning is paid for too.
What it is good for#
- A developer agent
- Exploring unfamiliar code
- An open model for code
Similar models#
Catalog models with the same kind of output, closest in the price of a typical request.
| Model | Input | Output | Window | Price |
|---|---|---|---|---|
| Qwen3.8 27B | $0.24 | $2.2 | 1M | about the same |
| Mistral Large 4 | $0.68 | $2.09 | 1.05M | 1.2× more expensive |
| DeepSeek V4 Pro 0423 | $0.955 | $1.911 | 1.05M | 1.3× more expensive |
| Qwen3.7 Plus | $0.32 | $1.28 | 1M | 1.5× cheaper |
| Kimi K2.7 Code | $0.671 | $3.35 | 262K | 1.7× more expensive |
Other Mistral AI models#
How to connect in SKILLOK#
Devstral 2 2512 works through OpenRouter: add an OpenRouter key in Settings → AI and pick the mistralai/devstral-2512 model. It then becomes available in Space AI, in tasks and to the repository agent. In detail — Connecting a model in SKILLOK.
Where the data comes from#
Prices, the context window and capabilities come from the public OpenRouter catalog as of 2026-10-19. A provider may change the price — the exact figure is always on the model's OpenRouter page.
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