https://tokencost.app/blog/gpt-6-astra-pricing TokenCost en 2026-09-04T00:00:00.000Z GPT-6 Astra's rate card is Claude Fable 5's rate card, to the cent, on every line both companies publish. Anthropic moved one of those lines two days before Astra shipped, and it is now the only line where the two flagships disagree.