GPT-4o combines text, vision, and audio processing in one fast, unified model. Outstanding performance at high speed for everyday AI tasks — use free, no login.
ChatGPT-4o ("o" for "omni") is OpenAI's multimodal AI model that processes text, images, and audio natively within a single architecture. It delivers GPT-4-level intelligence at significantly faster response speeds.
GPT-4o is optimized for real-time interaction, making it ideal for conversations, quick analysis, and tasks requiring understanding across multiple input types. It provides an excellent balance of top-tier capability and fast responsiveness.
Yes — ChatGPT-4o is available for free on chat-gpt.org with no sign-up or login required.
The "o" stands for "omni," reflecting the model's ability to process text, images, and audio natively in one system.
GPT-4o is significantly faster than previous GPT-4 models while maintaining the same level of intelligence and accuracy.
Yes, GPT-4o can analyze and understand images, charts, screenshots, documents, and visual content.
GPT-4o matches GPT-4's intelligence while being faster and adding native multimodal capabilities for text, image, and audio.
GPT-4o supports 50+ languages with especially strong performance in non-English languages.