OpenAI upgrades ChatGPT and Codex with GPT-5.5: 'a new class of intelligence for real work' - 9to5Mac
OpenAI upgrades ChatGPT and Codex with GPT-5.5: ‘a new class of intelligence for real work’ Zac Hall | Apr 23 2026 - 11:20 am PT | Apr 23 2026 - 11:20 am…