Anthropic
Claude Fable 5
VS
OpenAI
GPT-5.5 Pro
Decision Recommendation
⚖️ Trade-off decision: Choose Claude Fable 5 for deep reasoning tasks, or GPT-5.5 Pro for real-time user experiences since it has higher speed.
Model Specs
Claude Fable 5
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+)
80.3%Reasoning (gpqa-diamond)
94.1%Cost & Performance
Cost (per 1M tokens)3.4x cheaper
$20.00Input: $10.00 | Output: $50.00Speed
60.3 tpsContext Window
1M tokensModel Specs
GPT-5.5 Pro
Benchmarks & Scores
Coding (swe-bench-pro)
N/AReasoning (gpqa-diamond)Winner (+2.1%)
96.2%Cost & Performance
Cost (per 1M tokens)
$67.50Input: $30.00 | Output: $180.00Speed1.2x faster
74 tpsContext WindowLarger
1.05M tokensWant to customize weights or add more models?
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