Claude 3 Haiku vs GPT-4

Compare Claude 3 Haiku by Anthropic against GPT-4 by OpenAI, context windows of 200K vs 8K, tested across 21 shared challenges. Updated April 2026.

Which is better, Claude 3 Haiku or GPT-4?

Claude 3 Haiku and GPT-4 are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $30/M for GPT-4. Context windows: 200K vs 8K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3 Haiku and GPT-4

Claude 3 Haiku is made by anthropic while GPT-4 is from openai. Claude 3 Haiku has a 200K token context window compared to GPT-4's 8K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $30/M for GPT-4.

Our Verdict
Claude 3 Haiku
Claude 3 Haiku
GPT-4
GPT-4

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Claude 3 Haiku is 48x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
91%

GPT-4 uses 5.9x more transitions

Claude 3 Haiku
GPT-4
50%Vocabulary59%
22wSentence Length18w
0.71Hedging1.10
0.3Bold0.8
5.9Lists2.5
0.00Emoji0.00
0.00Headings0.00
0.08Transitions0.45
Based on 13 + 15 text responses
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Claude 3 HaikuGPT-4

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

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