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Claude Haiku 4.5 vs GPT-4o

Claude Haiku 4.5 leads in 4 of 8 categories

Arena ELO

GPT-4o

Cheaper

Claude Haiku 4.5

Faster

Claude Haiku 4.5

Detailed Comparison

CategoryClaude Haiku 4.5GPT-4o
ProviderAnthropic OpenAI
Context Window200K WIN128K
Input Price ($/1M)$0.8 WIN$2.5
Output Price ($/1M)$4 WIN$10
Arena ELO1290 1340 WIN
Codingunknown 30.8% SWE-bench
Reasoningunknown unknown
Speed (tokens/sec)~120 t/s WIN~100 t/s
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Claude Haiku 4.5 or GPT-4o?

Claude Haiku 4.5 is approximately 62% cheaper than GPT-4o per million tokens.

Which is better for coding, Claude Haiku 4.5 or GPT-4o?

Claude Haiku 4.5 scores unknown on coding benchmarks, while GPT-4o scores 30.8% SWE-bench.

Which has a larger context window?

Claude Haiku 4.5 supports 200K context, while GPT-4o supports 128K.

Is Claude Haiku 4.5 or GPT-4o open source?

Claude Haiku 4.5 is proprietary. GPT-4o is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

GPT-4o ranks higher with ELO 1340 vs 1290.