GPT 5.5 on AI Gateway

T1Covered by 1 source · first reported by Vercel (blog + changelog) at 24 Apr, 07:00 UTC

Vercel AI Gateway GPT-5.5 is now available on. There are 2 variants: GPT-5.5 and GPT-5.5 Pro. Both models are tuned for long-running agentic work across coding, computer use, knowledge work, and scientific research, and are more token-efficient than the previous generation. GPT-5.5 is stronger at…