Thursday, January 15, 2026API UpdateMedium Impact
ChatGPT
OpenAI Realtime API Adds Video Input and Function Calling
OpenAI updated the Realtime API to accept video input streams alongside audio, and added function calling support. Developers can now build multimodal real-time applications with tool-use capabilities.
Key Highlights
1
Video input stream support in Realtime API
2
Function calling during real-time sessions
3
Reduced latency to under 250ms
4
WebRTC and WebSocket transport options
More ChatGPT Updates
OpenAI Releases GPT-5.2 API with Unchanged Pricing
Mar 12, 2026 · API Update
ChatGPT Upgrades to GPT-5.2 with Enhanced Reasoning
Mar 11, 2026 · Model Update
ChatGPT Operator Expands to 50+ Countries with New Capabilities
Mar 7, 2026 · Feature Update
ChatGPT Gets Persistent Project Memory and File Management
Mar 5, 2026 · Feature Update