Anthropic cuts Opus pricing: Opus 5.5 undercuts Astra per token

Haider. @haider1Originally posted 2026.09.23

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anthropic just nuked opus pricing opus 5.5: $4 / $20 opus 5: $5 / $25 fable 5.1: $10 / $50 gpt-6 astra: $10 / $50 so 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

This post quotes another post: “Opus 5.5 beats both GPT-6 Astra and Fable 5.1, a post claims”