OpenAI has released a new model, GPT-5.4, which appears to enhance the capabilities of ChatGPT, particularly in handling complex workflows. The model is reported to offer various improvements, including enhanced safety features, native computer use mode, and financial plugins for spreadsheet software. However, there is some discrepancy in the version number, with one outlet referencing GPT-5.5, while others confirm the release of GPT-5.4.