Introducing gpt-realtime and Realtime API updates
What changed
We’re releasing a more advanced speech-to-speech model and new API capabilities including MCP server support, image input, and SIP phone calling support.
Why it matters
A concrete addition to Practical AI: Tools, Models & Frameworks: it changes what's available to builders today rather than being general commentary.
How it compares
Related prior coverage to compare against:
- Introducing the Realtime API
- Function calling and other API updates
- No-code personal agents, powered by GPT-4.1 and Realtime API
Sources
- Introducing gpt-realtime and Realtime API updates (openai-blog)primary