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🤖OpenAI Releases GPT-5.5 With Autonomous Tool Use and Self-Correction

OpenAI Releases GPT-5.5 With Autonomous Tool Use and Self-C…

TL;DR

OpenAI began rolling out GPT-5.5 to paying ChatGPT and Codex users on April 23, 2026.

OpenAI began rolling out GPT-5.5 to paying ChatGPT and Codex users on April 23, 2026. The model plans its own steps, reaches for tools as it goes, and catches its own mistakes before handing back finished work. OpenAI also launched workspace agents, with one example saving sales reps five to six hours per week.

Key Points

1

Rolled out to paid ChatGPT and Codex tiers starting April 23

2

New autonomous step-planning and tool-use behavior with self-correction

3

Workspace agents let teams build shared no-code AI helpers

Why It Matters

GPT-5.5 marks OpenAI's clearest move from chatbot to autonomous agent, reshaping how knowledge workers interact with AI in production.

OpenAIGPT-5.5AI agents

Frequently Asked Questions

Why does this matter?

GPT-5.5 marks OpenAI's clearest move from chatbot to autonomous agent, reshaping how knowledge workers interact with AI in production.

What happened?

OpenAI began rolling out GPT-5.5 to paying ChatGPT and Codex users on April 23, 2026.

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