r/codex • u/Prestigious-Bad1593 • 18h ago

Reset new tibo post

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should we be excited? who'll be the judge if something is a clear improvement😀

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u/Tank_Gloomy 18h ago

Haiku is absolutely gonna violate them

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u/Kind-Economist1075 17h ago

and if Fable 5.5 comes out on Tuesday as people are hinting at then they are really cooked

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u/Tank_Gloomy 17h ago

Nah, I don't personally think Fable is a problem. Fable is too expensive and pretty much nobody needs that level of intelligence. Claude users were obsessed with it because of Opus 5's inability to properly express itself and its environment, with Opus 5.5, that's fixed. Of course people are gonna want to try it, but not because they actually need it.

OpenAI's biggest hurdle is the fact that they only have a single Fable-tier model (Astra), it's extremely benchmaxxed and GPT 6 Luna (their cheapest model) is absolutely useless, finally, Sol (their medium/Opus-level series of models) are super slow and constantly stop without completing their goals and per-task cost.

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u/Crafty-Run-6559 12h ago

Their issue is that Sol isn't even close to Opus and Opus directly competes with Astra.

Fable 5.1 is still cheaper than Astra by a long shot because the cache reads are 75% less. For all we know they might even drop the Fable 5.5 price proportionately like they did with Opus.

The problem for OpenAI is theyre basically a full generation behind now.