OpenAI says 'GPT-5.5 matches GPT-5.4 per-token latency in real-world serving, while performing at a much higher level of intelligence' (OpenAI)
OpenAI: OpenAI says “GPT-5.5 matches GPT-5.4 per-token latency in real-world serving, while performing at a much higher level of intelligence” — A new class of intelligence for real work — We're relea