Model Comparison
Claude Opus 4.6 vs Devstral MediumWhich is better in 2026?
Claude Opus 4.6 significantly outperforms across most benchmarks. Devstral Medium is 12.5x cheaper per token.
Verdict: Claude Opus 4.6 vs Devstral Medium — which is better?
Claude Opus 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 Opus 4.6 outperforms in 1 benchmarks (SWE-Bench Verified), while Devstral Medium is better at 0 benchmarks. Claude Opus 4.6 significantly outperforms across most benchmarks.
On price, Devstral Medium is roughly 12.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Opus 4.6 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Opus 4.6 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Feb 2026
Choose Devstral Medium if…
- cost matters — it's about 12.5x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.6 outperforms in 1 benchmarks (SWE-Bench Verified), while Devstral Medium is better at 0 benchmarks.
Claude Opus 4.6 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4.6 ($5.00/1M tokens) is 12.5x more expensive than Devstral Medium ($0.40/1M tokens).
For output processing, Claude Opus 4.6 ($25.00/1M tokens) is 12.5x more expensive than Devstral Medium ($2.00/1M tokens).
In conclusion, Claude Opus 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 Opus 4.6 accepts 1,000,000 input tokens compared to Devstral Medium's 128,000 tokens. Both models can generate responses up to 128,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Opus 4.6 supports multimodal inputs, whereas Devstral Medium does not.
Claude Opus 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Opus 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 Opus 4.6 was released on 2026-02-05, while Devstral Medium was released on 2025-07-10.
Claude Opus 4.6 is 7 months newer than Devstral Medium.
Feb 5, 2026
4 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 Opus 4.6 is available from Anthropic. Devstral Medium is available from Mistral AI.
Claude Opus 4.6
Devstral Medium
Outputs Comparison
Key Takeaways
Claude Opus 4.6
View detailsAnthropic
Devstral Medium
View detailsMistral AI
Detailed Comparison
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FAQ
Common questions about Claude Opus 4.6 vs Devstral Medium.