Claude Fable 5.2 vs GPT-6 Astra and Gemini 4 Carbon

QUANTSLANT_ Benchmarks

quantslant@ai:~$ cat news_1 › In September, I wrote that the world’s two most expensive models had identical API prices: Claude Fable 5.1 and GPT-6 Astra both cost $10 per million input tokens and $50 per million output tokens.

quantslant@ai:~$ cat news_2 › That tie ended on November 9, 2026.

quantslant@ai:~$ cat news_3 › Anthropic released Claude Fable 5.2 at $8 and $40, then placed it alongside OpenAI’s GPT-6 Astra and Google’s Gemini 4 Carbon in its announcement table.

quantslant@ai:~$ cat news_4 › Fable leads in almost every row.

Claude Fable 5.2 vs GPT-6 Astra and Gemini 4 Carbon

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