Devstral Medium vs Devstral Small 1.1
Devstral Medium and Devstral Small 1.1 are closely matched at 13.9 and 9.6 on the LLM Stats Score. Devstral Small 1.1 is 5.3x cheaper per token.
Mistral AI · Mistral AI · Updated for 2026
Which is better?
Devstral Medium and Devstral Small 1.1 are closely matched on the overall LLM Stats Score at 13.9 and 9.6.
In the 1 individual benchmarks reported for both models, Devstral Medium wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Devstral Small 1.1 is roughly 5.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Devstral Medium
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
Choose Devstral Small 1.1
- cost matters — it's about 5.3x cheaper per token
- you want the most recent training data — it shipped Jul 2025
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
1 reported for Devstral Medium · 1 for Devstral Small 1.1
Devstral Medium outperforms in 1 benchmarks (SWE-Bench Verified), while Devstral Small 1.1 is better at 0 benchmarks.
Devstral Medium significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Devstral Medium ($0.40/1M tokens) is 4.0x more expensive than Devstral Small 1.1 ($0.10/1M tokens).
For output processing, Devstral Medium ($2.00/1M tokens) is 6.7x more expensive than Devstral Small 1.1 ($0.30/1M tokens).
In conclusion, Devstral Medium is more expensive than Devstral Small 1.1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 128,000 tokens. Both models can generate responses up to 128,000 tokens.
License
Usage and distribution terms
Devstral Medium is licensed under a proprietary license, while Devstral Small 1.1 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Devstral Medium was released on 2025-07-10, while Devstral Small 1.1 was released on 2025-07-11.
Devstral Small 1.1 is 0 month newer than Devstral Medium.
Jul 10, 2025
1.2 years ago
Jul 11, 2025
1.2 years ago
1d newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Devstral Medium is available from Mistral AI. Devstral Small 1.1 is available from Mistral AI.
Devstral Medium
Devstral Small 1.1
Outputs Comparison
Judge for yourself.
Run your own prompts against Devstral Medium and Devstral Small 1.1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Devstral Medium vs Devstral Small 1.1.