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Claude Haiku 4.5 vs Grok 3

Claude Haiku 4.5 leads in 4 of 8 categories

Arena ELO

Grok 3

Cheaper

Claude Haiku 4.5

Faster

Claude Haiku 4.5

Detailed Comparison

CategoryClaude Haiku 4.5Grok 3
ProviderAnthropic xAI
Context Window200K WIN131K
Input Price ($/1M)$0.8 WIN$3
Output Price ($/1M)$4 WIN$15
Arena ELO1290 1325 WIN
Codingunknown unknown
Reasoningunknown 93.3% AIME 2025
Speed (tokens/sec)~120 t/s WIN~55 t/s
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Claude Haiku 4.5 or Grok 3?

Claude Haiku 4.5 is approximately 73% cheaper than Grok 3 per million tokens.

Which is better for coding, Claude Haiku 4.5 or Grok 3?

Claude Haiku 4.5 scores unknown on coding benchmarks, while Grok 3 scores unknown.

Which has a larger context window?

Claude Haiku 4.5 supports 200K context, while Grok 3 supports 131K.

Is Claude Haiku 4.5 or Grok 3 open source?

Claude Haiku 4.5 is proprietary. Grok 3 is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

Grok 3 ranks higher with ELO 1325 vs 1290.