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

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+2
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+2
It matches GPT‑5.4’s speed while outperforming it on nearly every benchmark and reduces hallucinations for business users. tech.yahoo.com+1
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+1
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+1

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