OpenAI says it has trained GPT-4.5 “using new supervision techniques combined with traditional methods like supervised ...

As part of today’s update, OpenAI is switching ChatGPT’s image generation tool from DALL-E to GPT-4o. The latter algorithm is ...

OpenAI has integrated AI image generation directly into ChatGPT, powered by the GPT-4o model, allowing free and paid users to ...

OpenAI claims that the improved GPT-4o model enables both consumers and businesses to generate more realistic images, ...

OpenAI said that GPT-4.5 has been trained on data derived from smaller models, enhancing its steerability and ability to grasp nuance ...

OpenAI optimized GPT-4 through RLHF by having human evaluators use basic signals like thumbs up or thumbs down to direct the model toward safer ethical responses. But RLHF presents challenges when ...