The company is positioning its newest system as its strongest agentic coding model yet, as it faces pressure to keep pace with its rival Anthropic. OpenAI on Thursday released its most capable AI system,

OpenAI has announced the release of GPT-5.5, the latest upgrade to the company's family of models powering its ChatGPT and Codex apps. OpenAI describes GPT-5.5 as better at multi-step work, claiming it can plan,

OpenAI has officially released its newest AI model, GPT-5.5, on April 23, 2026, designed specifically for real work with focus on intent, not typed text.

On SWE-Bench Pro, which evaluates real-world GitHub issue resolution, it scores 58.6%, solving more tasks end-to-end in a single pass than previous models. On OpenAI's internal Expert-SWE benchmark for 20-hour coding projects,

So, just how much can OpenAI do in under two months? Well, in a reply to the original post, the company shared some benchmarks versus its older model, and you can see the results

OpenAI has launched GPT-5.5, its most intuitive AI model. It can handle complex, multi-part tasks from start to finish, excelling in coding, research, and data analysis, while being more efficient and cost-effective than previous models.

OpenAI on Thursday released GPT-5.5, its newest AI model, which the company calls its “smartest and most intuitive to use model” yet. The algorithm comes with increased capabilities in a multitude of areas,

OpenAI released a new model it touts as its best yet for handling research work like making improved versions of itself, as rapid-fire releases by AI rivals pick up pace.