Model Comparison
Claude Sonnet 4.6 vs Devstral MediumWhich is better in 2026?
Claude Sonnet 4.6 significantly outperforms across most benchmarks. Devstral Medium is 7.5x cheaper per token.
Verdict: Claude Sonnet 4.6 vs Devstral Medium — which is better?
Claude Sonnet 4.6 (by Anthropic) and Devstral Medium (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude Sonnet 4.6 outperforms in 1 benchmarks (SWE-Bench Verified), while Devstral Medium is better at 0 benchmarks. Claude Sonnet 4.6 significantly outperforms across most benchmarks.
On price, Devstral Medium is roughly 7.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Sonnet 4.6 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Sonnet 4.6 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Feb 2026
Choose Devstral Medium if…
- cost matters — it's about 7.5x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
Claude Sonnet 4.6 outperforms in 1 benchmarks (SWE-Bench Verified), while Devstral Medium is better at 0 benchmarks.
Claude Sonnet 4.6 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 7.5x more expensive than Devstral Medium ($0.40/1M tokens).
For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 7.5x more expensive than Devstral Medium ($2.00/1M tokens).
In conclusion, Claude Sonnet 4.6 is more expensive than Devstral Medium.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Sonnet 4.6 accepts 200,000 input tokens compared to Devstral Medium's 128,000 tokens. Devstral Medium can generate longer responses up to 128,000 tokens, while Claude Sonnet 4.6 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Sonnet 4.6 supports multimodal inputs, whereas Devstral Medium does not.
Claude Sonnet 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Sonnet 4.6
Devstral Medium
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Sonnet 4.6 was released on 2026-02-17, while Devstral Medium was released on 2025-07-10.
Claude Sonnet 4.6 is 7 months newer than Devstral Medium.
Feb 17, 2026
3 months ago
7mo newerJul 10, 2025
11 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Sonnet 4.6 is available from Anthropic. Devstral Medium is available from Mistral AI.
Claude Sonnet 4.6
Devstral Medium
Outputs Comparison
Key Takeaways
Claude Sonnet 4.6
View detailsAnthropic
Devstral Medium
View detailsMistral AI
Detailed Comparison
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FAQ
Common questions about Claude Sonnet 4.6 vs Devstral Medium.