OpenAI launched ChatGPT 5.5 which is an improvement over the previous GPT 5.4. According to them, the increased capabilities are provided by the model operating faster and more efficiently using tokens. It added that OpenAI is the most intelligent and intuitive model they have ever developed with an emphasis on doing real work on the computer.
The main capabilities of GPT 5.5 are the efficiency of producing documents, papers, slides and performing analysis. For example, it handles the process of searching for information, filtering the information collected, performing analysis before finally producing output according to the given prompts.
At the same time, there is a significant improvement in performing scientific and mathematical data processing. It can be used as an assistant by scientists to analyze big data and develop alt research.
And to meet the needs of the current market, GPT 5.5 also receives an improvement in coding capabilities. Its performance is the best on Terminal‑Bench 2.0 (82.7%) as well as improvements in planning, debugging, refactoring, and real engineering work. It is able to understand the structure of the system, detect the cause of failure, and suggest the right repair.
GPT 5.5 is already available to Plus, Pro, Business, Enterprise customers in ChatGPT and Codex. API fees are $5/1M input tokens and $30/1M output tokens for GPT‑5.5 and increase to $30 / 1M input, and $180/1M output for GPT‑5.5 Pro.
