Claude 3 Haiku vs Claude Opus 4.7
Compare Claude 3 Haiku and Claude Opus 4.7, both from Anthropic, context windows of 200K vs 1.0M, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude 3 Haiku or Claude Opus 4.7?
Claude 3 Haiku and Claude Opus 4.7 are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $5/M for Claude Opus 4.7. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Haiku and Claude Opus 4.7
Claude 3 Haiku is made by anthropic while Claude Opus 4.7 is from anthropic. Claude 3 Haiku has a 200K token context window compared to Claude Opus 4.7's 1000K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $5/M for Claude Opus 4.7.
Per 1M tokens
Claude 3 Haiku is cheaper on both — 20× input, 20× output
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier, newer, bigger context window.
Claude 3 Haiku is 20x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4.7 uses 86.2x more emoji
