GPT-5.6 Sol Scores Similarly to Claude Fable 5 on GDPval-AA v2 Benchmark

OpenAI's GPT-5.6 Sol (max) achieved comparable performance to Anthropic's Claude Fable 5 (max) on the GDPval-AA v2 benchmark. This result indicates a similar capability between the two frontier models for completing economically valuable tasks.

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Sources (4)

GPT-5.6 Achieves Competitive Scores on APEX-Agents Professional Task Benchmark

PRIMARYAI Discussions 2 · Twitter · 1w ago

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GPT-5.6 Sol Scores Similarly to Claude Fable 5 on GDPval-AA v2 Benchmark

General AI Twitter · Twitter · 1w ago

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Credibility

Lead sourceAI Discussions 2

Corroboration2 distinct outlets

VerificationCorroborated

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OpenAImentioned Anthropicrelated

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Updated 1w ago · 4 sources

GPT-5.6 Sol Scores Similarly to Claude Fable 5 on GDPval-AA v2 Benchmark

OpenAI's GPT-5.6 Sol (max) achieved comparable performance to Anthropic's Claude Fable 5 (max) on the GDPval-AA v2 benchmark. This result indicates a similar capability between the two frontier models for completing economically valuable tasks.

View Tweet→