Claude Fable 5 vs GPT-5.5
Compare Claude Fable 5 by Anthropic against GPT-5.5 by OpenAI, in 12 community votes, claude fable 5 wins 83% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 54 shared challenges.
Reasoning: Claude Fable 5 wins 60% of votes
Image Generation: Claude Fable 5 wins 100% of votes
Web Design: Claude Fable 5 wins 100% of votes
Our Verdict
Claude Fable 5Winner
GPT-5.5Runner-up
Pick Claude Fable 5. In 12 blind votes, Claude Fable 5 wins 83% of the time. That's not luck.
Claude Fable 5 particularly excels in Image Generation, Web Design, Reasoning.
Clear winner
API pricing
Cost per 1M tokens
Claude Fable 5
Input
$10.00
Output
$50.00
GPT-5.5
Input
$5.00
2.0× cheaper
Output
$30.00
1.7× cheaper
GPT-5.5 is cheaper on both — 2.0× input, 1.7× output
Writing DNA
Style Comparison
Similarity
49%
Claude Fable 5 uses 58.2x more emoji
Claude Fable 5
GPT-5.5
60%Vocabulary58%
22wSentence Length18w
0.49Hedging0.74
4.0Bold2.9
3.5Lists5.1
0.58Emoji0.00
1.09Headings1.68
0.05Transitions0.03
Based on 27 + 26 text responses
Research
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FAQ
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