ai-tools / LLM API
GPT-4o API
4.7(20,000 reviews)
Overview
OpenAI's GPT-4o API delivers multimodal intelligence — text, image, and audio inputs with text output — through a unified endpoint. It is the flagship model for function calling, JSON mode, and Assistants with file search and code interpreter. GPT-4o achieves human-level performance on many reasoning benchmarks while being 2x faster and 50% cheaper than GPT-4 Turbo. Available on Azure OpenAI for enterprise compliance.
Key Features
- Function calling
- JSON mode
- Vision and multimodal inputs
- 128K context window
- Assistants API (file search, code interpreter)
- Streaming