Unverified50% confidenceFactExact time
Claude Fable 5.2 improved by more than 16 percentage points over 5.1 on FrontierCode 2.0.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
11/9/2026
First Seen
Valid until: 2/7/2027
Sources
Related Entities
Related Claims
UnverifiedClaude Fable 5.2 scored 49.1% on the FrontierCode 2.0 benchmark, ranking first.72% similarUnverifiedClaude Opus 5 approaches Fable-level performance on the FrontierCode 1.1 benchmark while costing only half as much69% similarUnverifiedClaude Fable 5.1 scored 73.4 on CursiveBench 3.2.0 and comprehensively surpassed its predecessor on benchmarks including OS World 2.0.65% similarUnverifiedObsidian 3, a model suspected to be Fable 5.5, scored 46.8% on the Frontier Code 2.0 benchmark at high reasoning intensity, only narrowly leading Opus 5.5's 45.5%.64% similarUnverifiedOn the overall aggregate score of FrontierCode 1.1, Grok 4.7 slightly trails its predecessor Grok 4.6.63% similar
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