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Claude Haiku 4.5 vs Claude Opus 4.7

Claude Haiku 4.5 leads in 4 of 8 categories

Arena ELO

Claude Opus 4.7

Cheaper

Claude Haiku 4.5

Faster

Claude Haiku 4.5

Detailed Comparison

CategoryClaude Haiku 4.5Claude Opus 4.7
ProviderAnthropic Anthropic
Context Window200K WIN128K
Input Price ($/1M)$0.8 WINN/A
Output Price ($/1M)$4 WINN/A
Arena ELO1290 1567 WIN
Codingunknown N/A
Reasoningunknown N/A
Speed (tokens/sec)~120 t/s WINN/A
Open SourceNo No

Frequently Asked Questions

Which is better for coding, Claude Haiku 4.5 or Claude Opus 4.7?

Claude Haiku 4.5 scores unknown on coding benchmarks, while Claude Opus 4.7 scores N/A.

Which has a larger context window?

Claude Haiku 4.5 supports 200K context, while Claude Opus 4.7 supports 128K.

Is Claude Haiku 4.5 or Claude Opus 4.7 open source?

Claude Haiku 4.5 is proprietary. Claude Opus 4.7 is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

Claude Opus 4.7 ranks higher with ELO 1567 vs 1290.

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