“Instead of carefully managing every step, you can give GPT-5.5 a messy, multi-part task and trust it to plan, use tools, check its work, navigate through ambiguity, and keep going,” according to OpenAI. The company also notes that …
The new model ‘excels’ at tasks like writing and debugging code and doing work across different tools.
GPT-5.5 will roll out starting Thursday to Plus, Pro, Business, and Enterprise ChatGPT tiers and Codex, with GPT-5.5 Pro coming to Pro, Business, and Enterprise users.
The new model is the latest step in an increasingly heated battle between OpenAI and Anthropic as the companies race to potentially go public later this year.