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Claude Opus 4.6 vs Devstral 2

Devstral 2 leads in 3 of 8 categories

Arena ELO

Claude Opus 4.6

Cheaper

Devstral 2

Faster

Devstral 2

Detailed Comparison

CategoryClaude Opus 4.6Devstral 2
ProviderAnthropic Mistral
Context Window1M WIN256K
Input Price ($/1M)$5 $0.05 WIN
Output Price ($/1M)$25 $0.22 WIN
Arena ELO1549 WINN/A
Coding80.8% SWE-bench unknown
Reasoning65.4% Terminal-Bench unknown
Speed (tokens/sec)~40 t/s ~100 t/s WIN
Open SourceNo Yes

Frequently Asked Questions

Which is cheaper, Claude Opus 4.6 or Devstral 2?

Devstral 2 is approximately 99% cheaper than Claude Opus 4.6 per million tokens.

Which is better for coding, Claude Opus 4.6 or Devstral 2?

Claude Opus 4.6 scores 80.8% SWE-bench on coding benchmarks, while Devstral 2 scores unknown.

Which has a larger context window?

Claude Opus 4.6 supports 1M context, while Devstral 2 supports 256K.

Is Claude Opus 4.6 or Devstral 2 open source?

Claude Opus 4.6 is proprietary. Devstral 2 is open source.

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