TAI #202: GPT-5.5 Moves Codex Into Real Work

Author(s): Towards AI Editorial Team Originally published on Towards AI. What happened this week in AI by Louie OpenAI released GPT-5.5 on April 23. In the same week, they launched workspace agents in ChatGPT and released Privacy Filter for PII redaction; Google pushed Deep Research Max and its enterprise agent platform; and DeepSeek released V4-Pro and V4-Flash with 1M-token context. The thread connecting these releases is clear: frontier labs are turning models into work systems, with tools, m