OpenAI Launches GPT-5.5, Advancing AI Towards Agentic "Super App" Future

Summary

GPT-5.5 was released to paid subscribers on April 23 2026 and publicly on April 30 2026, marking a rapid 6‑week update after GPT‑5.4. openai.com
The model excels in coding, online research, data analysis, and agentic computer interactions, enabling users to write and debug complex code with minimal oversight. openai.com
It matches GPT‑5.4’s speed while outperforming it on nearly every benchmark and reduces hallucinations for business users. tech.yahoo.com
Access is restricted to paid tiers—Plus, Pro, Business, and Enterprise—along with variants such as GPT‑5.5 Thinking and GPT‑5.5 Pro. fortune.com
OpenAI has introduced guardrails within GPT‑5.5 to curb misuse in sensitive domains like cybersecurity. nytimes.com
The release advances OpenAI’s goal of an AI "super app", where a single AI can autonomously manage a wide range of tasks across enterprise workflows. techcrunch.com

Sources

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