GPT-6 Astra vs Claude Fable 5.1: Who Wins?
OpenAI shipped GPT-6 Astra on 3 September 2026, two days after Anthropic shipped Claude Fable 5.1 . They land on the same list price — $10 per million input tokens, $50 per…
Ryan Mitchell8 min read
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GPT
Every article tagged “GPT” on the Heyperai blog.