Don't choose between Claude Fable 5.1 and GPT-6 Astra until you've answered one question
Imagine Anthropic's smartest model shipping on a Monday, and OpenAI answering on Wednesday with its own and declaring the AGI era. Both cost $10 per million input tokens and $50 per million output, to the cent. Then the differences start: one spends its tokens working out what is going on, the other spends them getting things done. We pulled together the benchmarks, the subscription prices, an independent robot-arm test and what both companies admitted about themselves, so you can pick a model for your work rather than for a headline.
BreakdownClaude Code