OpenAI launches GPT-5.5, a faster, more capable model inching toward a super‑app
Key Points
- OpenAI released GPT-5.5, its most capable model to date.
- Co‑founder Greg Brockman says the model brings the company nearer to a "super app" vision.
- Benchmarks show GPT-5.5 outperforms Google Gemini 3.1 Pro and Anthropic Claude Opus 4.5.
- The model improves agentic coding, knowledge work, math and scientific research tasks.
- Available now to Plus, Pro, Business and Enterprise ChatGPT users; a "5.5 Pro" tier is also announced.
- OpenAI stresses a robust, safety‑first approach for deploying GPT-5.5 in cybersecurity contexts.
OpenAI unveiled GPT-5.5 on Thursday, branding it its most intuitive and powerful model to date. Co‑founder Greg Brockman said the new system delivers sharper reasoning with fewer tokens, positioning the company closer to a long‑term “super app” that could blend ChatGPT, Codex and an AI browser into a single enterprise service. Early benchmarks show GPT-5.5 outpacing rivals from Google and Anthropic across a range of tasks, from coding assistance to scientific research. The model is now rolling out to Plus, Pro, Business and Enterprise users of ChatGPT.
OpenAI announced the release of GPT-5.5 on Thursday, calling it the company’s "smartest and most intuitive to use model" yet. The upgrade arrives just weeks after the previous version, underscoring a rapid cadence of development that the firm says will continue for the foreseeable future.
During a press call, co‑founder and president Greg Brockman described GPT-5.5 as a "faster, sharper thinker for fewer tokens" compared with its predecessor, GPT-5.4. He framed the advance as a concrete step toward a broader vision of a "super app"—a unified platform that would combine ChatGPT, Codex and an AI‑driven web browser into a single, multi‑purpose service for enterprise customers. The concept echoes similar ambitions voiced by OpenAI’s other co‑founder, Sam Altman, and even draws a parallel to Elon Musk’s plans to transform X into a super app.
Benchmark data released by OpenAI shows GPT-5.5 beating both its own prior models and competing offerings from Google’s Gemini 3.1 Pro and Anthropic’s Claude Opus 4.5 across a variety of standard tests. The company highlighted gains in areas such as agentic coding, knowledge work, mathematics and scientific research. Chief scientist Jakub Pachocki noted "significant improvements in the short term, extremely significant improvements in the medium term," adding that the pace of progress over the last two years had been surprisingly slow until now.
OpenAI says the new model is already available to a broad user base. Plus, Pro, Business and Enterprise customers can access GPT-5.5 through the ChatGPT interface, while a specialized "5.5 Pro" tier will be offered to higher‑level subscribers. Mark Chen, OpenAI’s chief research officer, emphasized the model’s enhanced ability to navigate complex computer tasks and its potential to accelerate scientific workflows, including drug discovery.
Security considerations also featured in the briefing. When asked about Anthropic’s recent Mythos tool, OpenAI technical staffer Mia Glaese affirmed that GPT-5.5 incorporates a "strong and longstanding strategy" for safe deployment, particularly in digital defense scenarios.
The launch marks another milestone in OpenAI’s race to dominate the frontier AI market. By delivering a model that outperforms rivals on multiple fronts and by pushing the super‑app narrative forward, the company aims to solidify its foothold with both consumer and enterprise users.