GPT-5.4 on AI Gateway

GPT-5.4 and GPT-5.4 Pro are now available on AI Gateway, bringing agentic and reasoning leaps from GPT-5.3-Codex to all domains including knowledge work and coding.

Vercel | In Edition 24, Saturday 7 Mar 2026

SOURCE Vercel, GPT-5.4 is now on AI Gateway

Added to The Deploy Log Tuesday 15 Sep 2026, updated Thursday 17 Sep 2026. Read Edition 24, the edition that carried it.

The call on this one

What shipped is free. The call on it, what to do about it and the condition on that, opens with a signup: free, no card, every edition in full.

It becomes $50 a year, and signing up now keeps your first year free.