Unverified50% confidenceBenchmarkExact time
On the agentic coding Frontier Code 2.0 test, Fable 5.2 scored second highest, behind only Opus 5.5.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
11/10/2026
First Seen
Valid until: 11/24/2026
Sources
Anthropic Releases Fable 5.2 and Mythos 5.2: Benchmark Dominance and Biorobotics Breakthroughs
bilibiliPigfg00711/10/2026
Related Entities
Related Claims
UnverifiedOn agentic coding tasks, Fable 5.2's score jumped substantially over Fable 5.1 and is higher than Opus 5.5.79% similarUnverifiedBenchmark tests show that Fable 5.2 comprehensively beats the previous flagship Opus 5.5 on major leaderboards such as Frontier Code 2.0 and Frontier Suite (69.9 points).76% similarUnverifiedWith the X High setting enabled, Fable 5.2 scored the highest among all released models on the early Frontier Code 2.0 test.76% similarUnverifiedClaude Fable 5.2 scored 49.1% on the FrontierCode 2.0 benchmark, ranking first.75% similarUnverifiedClaude Opus 5 approaches Fable-level performance on the FrontierCode 1.1 benchmark while costing only half as much74% similar
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