Claude 2 vs Claude 3 Haiku

Compare Claude 2 and Claude 3 Haiku, both from Anthropic, context windows of 100K vs 200K, tested across 5 shared challenges. Updated April 2026.

Which is better, Claude 2 or Claude 3 Haiku?

Claude 2 and Claude 3 Haiku are both competitive models. Claude 2 costs $11.02/M input tokens vs $0.25/M for Claude 3 Haiku. Context windows: 100K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 2 and Claude 3 Haiku

Claude 2 is made by anthropic while Claude 3 Haiku is from anthropic. Claude 2 has a 100K token context window compared to Claude 3 Haiku's 200K. On pricing, Claude 2 costs $11.02/M input tokens vs $0.25/M for Claude 3 Haiku.

Our Verdict
Claude 2
Claude 2
Claude 3 Haiku
Claude 3 Haiku

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 26x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
96%

Claude 3 Haiku uses 70.8x more hedging

Claude 2
Claude 3 Haiku
65%Vocabulary50%
13wSentence Length22w
0.00Hedging0.71
0.0Bold0.3
10.2Lists5.9
0.00Emoji0.00
0.00Headings0.00
0.00Transitions0.08
Based on 2 + 13 text responses
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Claude 2Claude 3 Haiku

279 AI models invented the same fake scientist.

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