Claude 3 Haiku vs GPT-1

Compare Claude 3 Haiku by Anthropic against GPT-1 by OpenAI, context windows of 200K vs 1K, tested across 7 shared challenges. Updated March 2026.

Which is better, Claude 3 Haiku or GPT-1?

Claude 3 Haiku and GPT-1 are both competitive models. Context windows: 200K vs 1K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3 Haiku and GPT-1

Claude 3 Haiku is made by anthropic while GPT-1 is from openai. Claude 3 Haiku has a 200K token context window compared to GPT-1's 1K.

Our Verdict
Claude 3 Haiku
Claude 3 Haiku
GPT-1
GPT-1Runner-up

No community votes yet. On paper, Claude 3 Haiku has the edge — bigger model tier, newer, bigger context window.

Slight edge
FAQ

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