Technology·Apr 30, 2026·14 min read
GPT-5.5: what actually changed, what it costs, and whether it is worth moving now
A practical breakdown of GPT-5.5 as of April 30, 2026: new capabilities, agentic workflows, professional use cases, token spend and pricing versus GPT-5.4 and GPT-5.4 mini, plus a separate block on Codex and whether it makes sense to wait for GPT-5.4-Codex or GPT-5.5-Codex.
