Expired50% confidenceBenchmarkExact time
In an evaluation of 15 real-world work scenarios, GPT-6 Astra won 10 rounds and Claude Fable 5.1 won 5 rounds.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/9/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/23/2026(expired)
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Related Claims
UnverifiedAccording to Artificial Analysis data, GPT-6 Astra scored 61 on the intelligence index, tied with GPT-5.6 Sol and 5 points below Claude Fable 5.1.75% similarUnverifiedIn browser operation capability, GPT-series models (GPT-6 Astra based on Codex) were significantly stronger than Claude Fable 5.1, winning decisively in both the Canva replication and Skool course batch creation scenarios.71% similarUnverifiedIn the agent capability benchmark LexExam, GPT-5.6 Soul scored 13.1 points higher than Anthropic's Claude Fable 5.69% similarPartially VerifiedAll three GPT-5.6 models achieved a perfect score of 10 on the long-horizon agent fine-tuning task, while GPT-5.5 and Opus 4.7 could only score two or three points on that task.67% similarUnverifiedIn the DeepSWE benchmark, GPT 5.5 tops the leaderboard with a pass rate of approximately 70%, leading Opus 4.7 by more than 15 percentage points.66% similar
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