Claude Fable 5 vs. Opus 4.8 vs. GPT-5.5: The Numbers
Fable 5 posts 80.3% on SWE-Bench Pro against 69.2 for Opus 4.8 and 58.6 for GPT-5.5. We ran the price-per-point math so you do not have to.
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Fable 5 posts 80.3% on SWE-Bench Pro against 69.2 for Opus 4.8 and 58.6 for GPT-5.5. We ran the price-per-point math so you do not have to.
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