GPT-6 Astra matches Fable 5.1 pricing 48 hours after launch

GPT-6 Astra launched just 48 hours after Fable 5.1 with identical headline pricing of $10/$50 per million tokens, though cache costs differ fourfold; reviewers have begun head-to-head comparisons.

2026-09-06 ~ 2026-09-06 · 3 related posts

• Two frontier models in 48 hours: Fable 5.1 vs GPT-6 Astra — heypearlai · 2026-09-06
• Fable 5.1 and GPT-6 Astra launch at identical $10/$50 pricing — heypearlai · 2026-09-06
• OpenAI's Astra and Anthropic's Fable 5.1 price identically at $10/$50, but cached tokens cost 4x more on Astra — heypearlai · 2026-09-06