OpenAI just announced its new GPT-5.5 model, which the company calls its “smartest and most intuitive to use model yet, and the next step toward a new way of getting work done on a computer.” OpenAI just released GPT-5.4 last month, but says that the new GPT-5.5 “excels” at tasks like writing and debugging code, doing research online, making spreadsheets and documents, and doing that work across different tools.
“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 GPT-5.5 will have its “strongest set of safeguards to date” and can use “significantly fewer” tokens to complete tasks in Codex.
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. Anthropic recently released Claude Opus 4.7 and also announced Mythos Preview, a non-public model it says is uniquely advanced in cybersecurity. OpenAI quickly followed with GPT-5.4-Cyber, its own model trained to flag cybersecurity vulnerabilities. And both companies are competing to corner the market on AI coding and enterprise tools, with OpenAI recently slashing so-called “side quests” in favor of chasing bigger revenue drivers.
GPT-5.5’s release also comes days before the high-profile trial between Elon Musk and OpenAI executives Sam Altman and Greg Brockman. Proceedings are set to begin on Monday in a federal courtroom in Oakland, California.
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Stay tuned for updates on openai says its new gpt 5 as the story develops. Related: After betting the firm on Anthropic, Menlo Ventures raises victorious $3B fund.
Frequently Asked Questions
OpenAI calls it its smartest and most intuitive model yet, excelling at writing and debugging code, online research, spreadsheets, documents, and multi-tool tasks, while using significantly fewer tokens in Codex.
It rolls 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.
Instead of managing every step, you can give it a messy multi-part task and trust it to plan, use tools, check its work, navigate ambiguity, and keep going.
It lands amid a heated race between OpenAI and Anthropic, which recently released Claude Opus 4.7, as both companies reportedly move toward going public later this year.
