Claude 3 Haiku vs Claude 3 Opus

Compare Claude 3 Haiku and Claude 3 Opus, both from Anthropic, context windows of 200K vs 200K, tested across 12 shared challenges. Updated March 2026.

Which is better, Claude 3 Haiku or Claude 3 Opus?

Claude 3 Haiku and Claude 3 Opus are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $15/M for Claude 3 Opus. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3 Haiku and Claude 3 Opus

Claude 3 Haiku is made by anthropic while Claude 3 Opus is from anthropic. Claude 3 Haiku has a 200K token context window compared to Claude 3 Opus's 200K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $15/M for Claude 3 Opus.

Our Verdict
Claude 3 Opus
Claude 3 Opus
Claude 3 Haiku
Claude 3 HaikuRunner-up

No community votes yet. On paper, Claude 3 Opus has the edge — bigger model tier.

Claude 3 Haiku is 60x cheaper per token — worth considering if cost matters.

Too close to call
vs

Ask them anything yourself

Claude 3 HaikuClaude 3 Opus
FAQ