OpenAI: GPT-Realtime Mini API
A cost-efficient version of GPT-Realtime that responds to audio and text input in realtime with speech or text.
- Context window: 32,000 tokens
- Max output: 4,096 tokens
- Input: text, audio, image
- Output: text, audio
- Tool calling: Supported
- Released: 2025-10-06
- Knowledge cutoff: 2023-10-01
Frequently Asked Questions
What is the context window of GPT-Realtime Mini?
GPT-Realtime Mini supports a context window of up to 32,000 tokens.
Does GPT-Realtime Mini support function calling?
Yes. GPT-Realtime Mini supports tool / function calling.
What is the knowledge cutoff of GPT-Realtime Mini?
The knowledge cutoff of GPT-Realtime Mini is 2023-10-01.