Claude 3 Haiku vs Claude 3.7 Sonnet
Compare Claude 3 Haiku and Claude 3.7 Sonnet, both from Anthropic, in 3 community votes, claude 3.7 sonnet wins 67% of head-to-head duels, context windows of 200K vs 200K, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude 3 Haiku or Claude 3.7 Sonnet?
Claude 3.7 Sonnet is the better choice overall, winning 67% of 3 blind community votes on Rival. Claude 3 Haiku costs $0.25/M input tokens vs $3/M for Claude 3.7 Sonnet. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Haiku and Claude 3.7 Sonnet
Claude 3 Haiku is made by anthropic while Claude 3.7 Sonnet is from anthropic. Claude 3 Haiku has a 200K token context window compared to Claude 3.7 Sonnet's 200K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $3/M for Claude 3.7 Sonnet. In community voting, In 3 community votes, Claude 3.7 Sonnet wins 67% of head-to-head duels.
In 3 community votes, Claude 3.7 Sonnet wins 67% of head-to-head duels. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Per 1M tokens
Claude 3 Haiku is cheaper on both — 12× input, 12× output
Pick Claude 3.7 Sonnet. In 3 blind votes, Claude 3.7 Sonnet wins 67% of the time. That's not luck.
Claude 3 Haiku is 12x cheaper per token — worth considering if cost matters.
Style Comparison
Claude 3.7 Sonnet uses 177.5x more headings
