GPT-5.5 evals are crazy – and what we have hoped for.

Whats new? the tl;dr

OpenAI just dropped GPT-5.5, their "most capable model yet", which matches GPT-5.4's latency while delivering significantly higher intelligence across coding, knowledge work, and scientific research.… https://t.co/fDII5T1KeV pic.twitter.com/qdhXhPiWSf

— Chubby♨️ (@kimmonismus) 23 avril 2026

GPT-5.5 evals are crazy – and what we have hoped for. Whats new? the tl;dr OpenAI just dropped GPT-5.5, their "most capable model yet", which matches GPT-5.4's latency while delivering significantly higher intelligence across coding, knowledge work, and scientific research.

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