Claude Fable 5 vs Gemini 3.1 Pro Preview
Compare Claude Fable 5 by Anthropic against Gemini 3.1 Pro Preview by Google AI, context windows of 1.0M vs 1.0M, tested across 53 shared challenges. Updated June 2026.
Which is better, Claude Fable 5 or Gemini 3.1 Pro Preview?
Claude Fable 5 and Gemini 3.1 Pro Preview are both competitive models. Claude Fable 5 costs $10/M input tokens vs $2/M for Gemini 3.1 Pro Preview. Context windows: 1000K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Fable 5 and Gemini 3.1 Pro Preview
Claude Fable 5 is made by anthropic while Gemini 3.1 Pro Preview is from google. Claude Fable 5 has a 1000K token context window compared to Gemini 3.1 Pro Preview's 1049K. On pricing, Claude Fable 5 costs $10/M input tokens vs $2/M for Gemini 3.1 Pro Preview.
Per 1M tokens
Gemini 3.1 Pro Preview is cheaper on both — 5.0× input, 4.2× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 3.1 Pro Preview is 4.2x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Fable 5 uses 58.2x more emoji
