Parakhin said GPT-6 Pro was now showing up in ChatGPT on the web, though he said he had not yet tested it. In a separate post, he called GPT-6 Max the best model yet in math and machine learning.

He also said GPT-6 was limited by a tiny context space, and that Fable 5.1 remained better on long agentic tasks, following instructions and finding elegant coding solutions. Parakhin said the roles had switched, with GPT-6 used to develop a solution and Fable 5.1 used to polish it and run experiments.

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Key sources

  1. SOURCE@mparakhin“GPT-6 Max is absolutely the new king of the hill in that regard.”x.com
  2. SUPPORT@mparakhin“So, the roles have switched: I use GPT-6 to develop a solution, then 5.1 to polish and run experiments.”x.com
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