OpenAI has released a new model, GPT-5.4, which is reported to improve ChatGPT's ability to handle complex, multi-step workflows. The model is also said to have various other enhancements, including a native computer use mode and financial plugins for certain spreadsheet software. However, there is some discrepancy in the version number, with one outlet referencing GPT-5.5 Instant, while others confirm the release of GPT-5.4.