Opus 5.5 undercuts Fable 5.1 and GPT-6 Astra by 2.5x per token
haider1 · x · 2026-09-23
Haider compares pricing: Opus 5.5 at $4/$20, Opus 5 at $5/$25, and both Fable 5.1 and GPT-6 Astra at $10/$50.
The takeaway: Opus 5.5 is 2.5x cheaper per token than Fable 5.1 and Astra while delivering roughly Fable-level performance on most real-world work. He had earlier called Opus 5.5 better than both Fable 5.1 and GPT-6 Astra.
Related event: Anthropic Launches Claude Opus 5.5: Stronger, 40% Cheaper, Tops AA Index(259 posts)→
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