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Released Nov 9, 2026, Claude Fable 5.2 holds #1 on BenchAlign v5.8 (93.9), Intelligence Index v5 (64.6 at max effort), AA-Omniscience accuracy (79%), Humanity's Last Exam (74.3%), ARC-AGI-3 (81.2%), FrontierCode 2.0 (49.1%), and LiveBench 2.0 (84.9).
Released Nov 9, 2026, Claude Fable 5.2 holds #1 on BenchAlign v5.8 (93.9), Intelligence Index v5 (64.6 at max effort), AA-Omniscience accuracy (79%), Humanity's Last Exam (74.3%), ARC-AGI-3 (81.2%), FrontierCode 2.0 (49.1%), and LiveBench 2.0 (84.9). It beats #2 Gemini 4 Carbon by 4.6 points on Intelligence Index v5, though Carbon costs 4x less per token at $2/$10. Key 2026 benchmarks — Developer: Anthropic; Intelligence Index v5: 64.6 (#1); BenchAlign v5.8: 93.9 (#1 of 215); API Pricing (1M): $8 in / $40 out; Context Window: 1M tokens. Released Nov 9, 2026, Claude Fable 5.2 holds #1 on BenchAlign v5.8 (93.9), Intelligence Index v5 (64.6 at max effort), AA-Omniscience accuracy (79%), Humanity's Last Exam (74.3%), ARC-AGI-3 (81.2%), FrontierCode 2.0 (49.1%), and LiveBench 2.0 (84.9). Key benchmarks: Developer: Anthropic; Intelligence Index v5: 64.6 (#1); BenchAlign v5.8: 93.9 (#1 of 215); API Pricing (1M): $8 in / $40 out; Context Window: 1M tokens.
Released Nov 9, 2026, Claude Fable 5.2 holds #1 on BenchAlign v5.8 (93.9), Intelligence Index v5 (64.6 at max effort), AA-Omniscience accuracy (79%), Humanity's Last Exam (74.3%), ARC-AGI-3 (81.2%), FrontierCode 2.0 (49.1%), and LiveBench 2.0 (84.9). It beats #2 Gemini 4 Carbon by 4.6 points on Intelligence Index v5, though Carbon costs 4x less per token at $2/$10. Key 2026 benchmarks — Developer: Anthropic; Intelligence Index v5: 64.6 (#1); BenchAlign v5.8: 93.9 (#1 of 215); API Pricing (1M): $8 in / $40 out; Context Window: 1M tokens.
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