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OpenAI recently announced that its latest 4o model's image generation capabilities will now support custom GPTs, offering users a more flexible and personalized AI creation experience. According to AIbase, this update allows developers and users to build customized GPTs based on the 4o model, generating high-quality image content tailored to specific needs. The announcement has sparked widespread discussion within the AI community, marking another significant advancement by OpenAI in the field of personalized AI tools. Technical details are available on the official OpenAI platform.

OpenAI has announced that third-party developers can fine-tune the newly introduced multimodal large model GPT-4o. This feature allows developers to adjust the model's behavior based on specific needs, such as changing the tone, following instructions, or improving the accuracy of technical tasks. Fine-tuning can achieve significant performance improvements with only a small amount of training data and is easy to operate. OpenAI is providing developers with a free allowance of 1 million tokens daily until September 23, as well as a daily free allowance of 2 million tokens for the GPT-4o mini model.

ChatGPT announced on social media platform X that it has been using the new GPT-4o model since last week, aiming to optimize the experience based on user feedback. The new model improves the depth of step-by-step reasoning and explanations, and significantly enhances image generation capabilities, achieving higher quality and accuracy in image conversions. Although some users feel the changes are not significant enough and that clearer explanations of the model changes are needed, OpenAI has confirmed that this model has been released in the API, allowing developers to test the latest enhancements via 'chatgpt-4o-latest'.

OpenAI recently released the GPT-4o System Card, detailing the safety measures and risk assessments prior to the launch of the new model. GPT-4o was officially launched in May, and the assessment showed an overall risk rating of 'medium', with major risks concentrated in cybersecurity, biological threats, persuasive capability, and model autonomy. Researchers found that while GPT-4o may be more persuasive in influencing reader opinions, it did not surpass humans overall. At the time of releasing the system card, OpenAI faced criticism from internal employees and state senators questioning its decision-making.