Claude 3 Opus vs Claude Fable 5
Compare Claude 3 Opus and Claude Fable 5, both from Anthropic, context windows of 200K vs 1.0M, tested across 12 shared challenges. Updated June 2026.
Which is better, Claude 3 Opus or Claude Fable 5?
Claude 3 Opus and Claude Fable 5 are both competitive models. Claude 3 Opus costs $15/M input tokens vs $10/M for Claude Fable 5. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Opus and Claude Fable 5
Claude 3 Opus is made by anthropic while Claude Fable 5 is from anthropic. Claude 3 Opus has a 200K token context window compared to Claude Fable 5's 1000K. On pricing, Claude 3 Opus costs $15/M input tokens vs $10/M for Claude Fable 5.
No community votes yet. On paper, Claude Fable 5 has the edge — newer, bigger context window.
Cost per 1M tokens
Claude Fable 5 is cheaper on both — 1.5× input, 1.5× output
Style Comparison
Claude Fable 5 uses 398.7x more bold
