Meet GPT-4o: The AI Model That Understands You in Text, Sound, and Vision

On May 13th, 2024, OpenAI introduced GPT-4o, a cutting-edge AI model that sets a new standard in artificial intelligence. GPT-4o can process and generate text, audio, and images in real-time, transforming how we interact with technology. Here’s a closer look at what makes GPT-4o so remarkable.

A New Era of Multimodal Interaction

Versatile Input and Output: GPT-4o is capable of accepting and producing content in any combination of text, audio, and images. This versatility makes it a powerful tool for various applications.

Lightning-Fast Response: With an audio response time as quick as 232 milliseconds and an average of 320 milliseconds, GPT-4o is designed to interact at human conversation speeds, providing a smooth and natural user experience.

Enhanced Multilingual Support: GPT-4o matches the performance of GPT-4 Turbo on English text and code, but it also significantly improves understanding of text in non-English languages, making it a truly global model.

Advanced Vision and Audio Capabilities

Superior Understanding: GPT-4o excels in processing and generating visual and auditory content, surpassing previous models in these areas. This makes it ideal for applications requiring comprehensive multimedia understanding.

Unified Neural Network: Unlike its predecessors, GPT-4o is trained end-to-end across text, vision, and audio, allowing it to seamlessly integrate and process different types of information.

Continual Exploration: As the first model to combine these modalities, GPT-4o is still being explored. Its full potential and capabilities are yet to be uncovered, promising exciting future developments.

Ensuring Safety and Managing Risks

Inbuilt Safety Features: Safety is a core focus for GPT-4o. Techniques such as filtering training data and post-training refinement help ensure safe interactions across all modalities.

Thorough Risk Evaluation: OpenAI has rigorously evaluated GPT-4o using their Preparedness Framework. The model has been assessed for cybersecurity, persuasion, and autonomy, with all evaluations showing a Medium risk level or lower.

Comprehensive Red Teaming: Over 70 external experts have tested GPT-4o to identify and mitigate risks, particularly those associated with its audio capabilities. This extensive testing ensures a safer user experience.

Gradual Rollout of Capabilities: Initially, GPT-4o’s text and image functionalities are being made available, with audio outputs limited to preset voices. Further capabilities will be introduced gradually to ensure safety and usability.

Availability and Future Plans

Widespread Access: Starting from May 13th, 2024, GPT-4o’s text and image capabilities are being rolled out in ChatGPT. The model is available in the free tier, and Plus users enjoy up to 5x higher message limits. A new Voice Mode with GPT-4o will soon be available in alpha for ChatGPT Plus users.

Developer Integration: Developers can now access GPT-4o through the API, benefiting from a model that is twice as fast, half the price, and supports 5x higher rate limits compared to GPT-4 Turbo. Audio and video capabilities will be launched to a select group of trusted partners in the coming weeks.


GPT-4o represents a significant advancement in AI technology, offering seamless integration of text, audio, and images. This model brings us closer to natural, human-like interactions with machines, opening up new possibilities across various fields. Stay tuned as OpenAI continues to expand and refine the capabilities of GPT-4o, pushing the boundaries of artificial intelligence.

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