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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
Welcome to the AGI era? What OpenAI is really keeping quiet about GPT-6 Astra
Imagine being shown a model that solves 99.9% of a test with AGI in its name, and the presentation ending with 'welcome to the AGI era'. Then you open the independent judges' report and see 62.7%. You open OpenAI's own system card and read that the model shortens its reasoning when it learns someone is reading it. And in the July archive there is a story about 1,200 agents that built a message board to break out of their sandbox together, and that wasn't Astra yet. We put all of it into one text and drew out five signs by which you can decide for yourself where your AGI line runs.
ExplainerAI Agents