Anthropic’s New Claude Opus 5.5 Matches Fable at 60% the Price
60-second summary
Anthropic launches Claude Opus 5.5, claiming performance comparable to Fable 5.1 while costing roughly 60 % less, yet OpenAI’s upcoming GPT‑6 Astra still outperforms it on two published benchmarks; the price advantage could attract cost‑sensitive developers, but the benchmark edge may keep enterprises favoring GPT‑6, influencing competitive dynamics and pricing pressure across the AI model market.
Anthropic's new flagship claims Fable 5.1-level performance at a fraction of the cost—but GPT-6 Astra still beats it on two published benchmarks.