Claude 3.7 Sonnet vs Claude 3 Haiku
Compare Claude 3.7 Sonnet and Claude 3 Haiku, both from Anthropic, context windows of 200K vs 200K, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude 3.7 Sonnet or Claude 3 Haiku?
Claude 3.7 Sonnet and Claude 3 Haiku are both competitive models. Claude 3.7 Sonnet costs $3/M input tokens vs $0.25/M for Claude 3 Haiku. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and Claude 3 Haiku
Claude 3.7 Sonnet is made by anthropic while Claude 3 Haiku is from anthropic. Claude 3.7 Sonnet has a 200K token context window compared to Claude 3 Haiku's 200K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $0.25/M for Claude 3 Haiku.
No community votes yet. On paper, Claude 3.7 Sonnet has the edge — bigger model tier, newer.
Claude 3 Haiku is 12x cheaper per token — worth considering if cost matters.
Style Comparison
Claude 3.7 Sonnet uses 177.5x more headings
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