Internal Tests Show AI Model 5.6 Clearly Beats Fable

A small run of X posts turned an internal model-comparison anecdote into a wider argument about how much confidence anyone should place in it.

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SA#13

Jay Air said on X that his team had unusually clear internal results comparing "5.6" with "Fable," arguing that 5.6 felt like a "step change improvement" and that the team stayed unhappy when Fable returned before 5.6 did. That account was amplified by Charlie Marsh, quoted up by Yacine, and reposted by Sam Altman. The core claim is still an internal one, not an independently verified benchmark.

NEWS ALERT FABLE WORSE AND MORE EXPENSIVE THE DECELS HAVE LOST. ACCELERATION CONRINUES

YYacineTECH#403

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Eddi@_Eddited_TECH

@jayair I always liked to work with GPT models more then Claude, with some exceptions. Even now, using Fable, I sometimes use 5.5 in parallel, because I just matches my workflows more. I am really hyped to get access to 5.6 tomorrow, ngl.

Internal Tests Show AI Model 5.6 Clearly Beats Fable

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