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Devstral Small 1.1
Devstral Small 1.1 is a programming-specialized foundation model developed by MistralAI. It has a parameter scale of approximately 240 billion and supports a long context window of up to 128K.
Parameters
240.0B
Context Window
128K
License
Apache 2.0
Release Date
2025-07-10
API Pricing
API pricing for this model is not yet available
Strengths
- ・Advanced programming capability
- ・Vast 128K context
- ・Open Apache 2.0 license
Weaknesses
- ・Large 48GB file size
- ・High hardware requirement specs
- ・Insufficient optimization for general tasks
Use Cases
- ・Advanced code generation and completion
- ・Analysis of large codebases
- ・Automated programming assistance
Deep Analysis
SWE-Bench Verified
53.6%
SOTA for open models
Parameters
24B
Pricing
$0.10/$0.30 per 1M tokens
License
Apache 2.0
Release Date
July 10, 2025
Strengths
- ・SOTA SWE-Bench Verified (53.6%) among open models
- ・Extremely affordable
- ・Runs on consumer hardware (RTX 4090)
- ・Apache 2.0 license
Weaknesses
- ・Lower general reasoning scores
- ・Text-only, no vision
- ・Weak on math (AIME 0.3%)
Competitor Comparison
| Model | SWE | Price |
|---|---|---|
| Devstral Medium | 61.6% | $0.40/$2.00 |
| Claude 3.5 Haiku | 40.6% | $0.80/$4.00 |
Devstral Small 1.1 is a 24B open-weight coding model achieving 53.6% SWE-Bench Verified, highest among open models. Apache 2.0, runs on consumer hardware.
Sources
Analysis generated: 2026-05-24