Claude Opus 5 Review 2026: Near-Fable 5 Intelligence at Half the Price
Claude Opus 5 delivers near-Fable 5 intelligence at half the price ($5/$25 per 1M tokens). With 44.4% on Frontier-Bench and 4x GPT-5.6 Sol on ARC-AGI 3, it is the best coding model per dollar. But a 50% hallucination rate and painfully slow max-effort response times mean it is not a Fable 5 replacement for every use case. Our research-based review.
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