GPT-4o (“omni”) is OpenAI’s flagship multimodal model, designed to natively integrate the fluid understanding and generation of text, vision, audio and video with minimal latencies.
Omni Unified Neural Architecture
Unlike previous systems that chained independent models for transcription, reasoning, and speech synthesis, GPT-4o was trained end-to-end through a single neural network. This allows you to capture voice intonations, pauses, audio emotions, and instant visual details.
Ultra Low Latency
232ms
Audio response time similar to a fluid human conversation.
MMLU Benchmark
88.7%
Outperforms traditional GPT-4 in reasoning and general knowledge.
Multilingual
50+ Languages
Tokenization compression optimized for speed in Spanish and non-English languages.
Availability in OpenAI Plans and Ecosystem
GPT-4o is available for both ChatGPT Plus, Team and ChatGPT Pro users, as well as for users of the free tier with dynamic usage quotas. For developers, it is offered via API with costs 50% lower than GPT-4 Turbo.
If you are looking for a lighter and cheaper option, check out our review of GPT-4o Mini. You can explore the global comparison of the family in our complete guide to OpenAI models and prices.
This post is also available in: