​OpenAI launches new artificial intelligence model GPT- 5.5 with improved token usage

ChatGPT-maker OpenAI has unveiled the latest version of its artificial intelligence model — GPT-5.5. the company claims that the new model comes with significant improvements in reasoning, coding and scientific research. The company has also stated that GPT-5.5 is faster, more efficient and safer as compared to its predecessor. GPT‑5.5 builds on the capabilities of GPT‑5.4 but introduces key upgrades. The latest model can easily handle complex multi-step tasks with better planning, tool use and self-correction. The model is particularly strong in coding and debugging. OpenAI also stated that it managed to achieve 82.7% accuracy on Terminal‑Bench 2.0, outperforming rivals like Anthropic’s Claude Opus 4.7 and Google’s Gemini 3.1 Pro.