Mistral AI model product
Devstral Small 1.1
1 foundation model and contains approximately 24 billion parameters.
Updated Aug 12, 2026. Default version: Devstral Small 1.1
LLMBoard score17.1Devstral Small 1.1
Coverage20%1 benchmark families
Context window128KTokens
Official input price$0.10Mistral API
Devstral Small 1.1 Specifications
Technical details for the model's default version.
- Version
- Devstral Small 1.1
- Released
- Jul 11, 2025
- Knowledge cutoff
- May 1, 2025
- Parameters
- 24B
- Context window
- 128K
- Max output
- 128K
- Inputs
- text
- Outputs
- text
- Open weights
- Yes
- License
- Apache 2.0
Devstral Small 1.1 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Devstral Small 1.1 Benchmark Results
Benchmark scores for Devstral Small 1.1.
| SWE-Bench Verified | 53.6% | 88 | 105 | 16.4% | C |
Devstral Small 1.1 Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
Devstral Small 1.1 Runtime Performance
Provider-specific output speed and catalog latency for Devstral Small 1.1. Runtime does not affect the capability score.
| Mistral AI | 137.1 tok/s | 0.23 s | 128K | 128K |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Devstral Small 1.1 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $0.10 input, $0.30 output per 1M
- Official provider
- Mistral
- Lowest third-party
- From $0.10 input, $0.30 output per 1M via Merge Gateway
- Tracked offerings
- 2
| Mistral | devstral-small-2507 | global | $0.10 | $0.30 | 128K | |
| Merge Gateway | mistral/devstral-small-2507 | global | $0.10 | $0.30 | 128K |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Devstral Small 1.1 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| Devstral Small 1.1 | 17.1 | 24B | 128K | 128K | Yes | Apache 2.0 |
What is Devstral Small 1.1?
Key information about Devstral Small 1.1 and its available data.
1 foundation model and contains approximately 24 billion parameters. It supports a 128k token context window, which allows it to handle multi-file code inputs and long prompts typical in software engineering workflows.
The model is fine-tuned specifically for structured outputs, including XML and function-calling formats. This makes it compatible with agent frameworks such as OpenHands and suitable for tasks like program navigation, multi-step edits, and code search. 0 and available for both research and commercial use.
Data as of 2026-08-11.
Devstral Small 1.1 vs nearby models
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FAQ
Common questions about Devstral Small 1.1.
When was Devstral Small 1.1 released?
Devstral Small 1.1's default version was released on Jul 11, 2025.
How much does Devstral Small 1.1 cost?
Devstral Small 1.1's official API price is $0.10 per million input tokens and $0.30 per million output tokens via Mistral. The lowest tracked third-party offer starts at $0.10 input and $0.30 output via Merge Gateway.
Who created Devstral Small 1.1?
Devstral Small 1.1 was created by Mistral AI.
What is the context window for Devstral Small 1.1?
The default version has a 128K token context window.
Is Devstral Small 1.1 open weight?
Yes. The default version is marked as open weight under Apache 2.0.
How many API providers offer Devstral Small 1.1?
2 provider offerings are linked to the default version.
What models should I compare Devstral Small 1.1 with?
Nearby ranked alternatives include Qwen3 VL 4B, Gemini 2.5 Flash Lite, Qwen2.5 VL 32B.