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Claude Opus 4.6 vs Claude Opus 5

Claude Opus 4.6 leads in 5 of 8 categories

Arena ELO

Claude Opus 4.6

Cheaper

Claude Opus 4.6

Faster

Claude Opus 4.6

Detailed Comparison

CategoryClaude Opus 4.6Claude Opus 5
ProviderAnthropic Anthropic
Context Window1M WIN200K
Input Price ($/1M)$5 WIN$15
Output Price ($/1M)$25 WIN$75
Arena ELO1561 WINN/A
Coding80.8% SWE-bench N/A
Reasoning65.4% Terminal-Bench N/A
Speed (tokens/sec)~40 t/s WINN/A
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Claude Opus 4.6 or Claude Opus 5?

Claude Opus 4.6 is approximately 67% cheaper than Claude Opus 5 per million tokens.

Which is better for coding, Claude Opus 4.6 or Claude Opus 5?

Claude Opus 4.6 scores 80.8% SWE-bench on coding benchmarks, while Claude Opus 5 scores N/A.

Which has a larger context window?

Claude Opus 4.6 supports 1M context, while Claude Opus 5 supports 200K.

Is Claude Opus 4.6 or Claude Opus 5 open source?

Claude Opus 4.6 is proprietary. Claude Opus 5 is proprietary.

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