Claude 3 Haiku vs Claude 3.7 Thinking Sonnet
Compare Claude 3 Haiku and Claude 3.7 Thinking Sonnet, both from Anthropic, context windows of 200K vs 200K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude 3 Haiku or Claude 3.7 Thinking Sonnet?
Claude 3 Haiku and Claude 3.7 Thinking Sonnet are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $6/M for Claude 3.7 Thinking 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 Thinking Sonnet
Claude 3 Haiku is made by anthropic while Claude 3.7 Thinking Sonnet is from anthropic. Claude 3 Haiku has a 200K token context window compared to Claude 3.7 Thinking Sonnet's 200K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $6/M for Claude 3.7 Thinking Sonnet.
Per 1M tokens
Claude 3 Haiku is cheaper on both — 24× input, 24× output
No community votes yet. On paper, Claude 3.7 Thinking Sonnet has the edge — bigger model tier, newer.
Claude 3 Haiku is 24x cheaper per token — worth considering if cost matters.
Style Comparison
Claude 3.7 Thinking Sonnet uses 180.6x more headings
