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Anthropic

Claude Fable 5

VS
OpenAI

GPT-5 mini

Decision Recommendation

⚖️ Trade-off decision: Choose Claude Fable 5 if you need the absolute highest accuracy for complex logic and coding. Choose GPT-5 mini if you want to optimize your budget, as it is 29.1x cheaper.

Model Specs

Claude Fable 5

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+34.6%)
80.3%
Reasoning (gpqa-diamond)Winner (+11.3%)
94.1%

Cost & Performance

Cost (per 1M tokens)
$20.00Input: $10.00 | Output: $50.00
Speed
60.3 tps
Context WindowLarger
1M tokens
Model Specs

GPT-5 mini

Benchmarks & Scores

Coding (swe-bench-pro)
45.7%
Reasoning (gpqa-diamond)
82.8%

Cost & Performance

Cost (per 1M tokens)29.1x cheaper
$0.69Input: $0.25 | Output: $2.00
Speed1.4x faster
86 tps
Context Window
400k tokens

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