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by Lord_Zero 48 days ago
Why no mention of GPT-5.5?
1 comments

Waiting on public API release. Once it drops, results will be up within 24 hours.
Results are up. GPT 5.5 is a beast.
Have you considered running models like GPT 5.5 inside their agent harness (Codex)?
I see the value in that, but there are a few reasons that isn't on the immediate roadmap -- mainly, it shifts focus from measuring the model to measuring the harness. The agentic benchmark section you see on the site is comparable to how an agent would perform using an open harness like Pi. But latest tool-using models are pretty well adapted to any harness, so I think that's less of a factor in overall model performance.
Just fresh on my mind after reading this from Codex team member re: performance difference between Pi and Codex app server usage: https://x.com/pashmerepat/status/2046865863979172039
Well that couldn't be vaguer if he tried. Basically saying, our stuff is better, no reasons given.