← Speech-to-Speech 
OpenAI
gpt-live-1
Measured 2026-09-11
Run gpt-live-1 on Speko →One API, every model on this board.
Overall
0.86
Action
0.78
Call completion
100%
Task capability
0.90
First sound
1217ms
1793·—
US East, provider-direct, n=5, 2026-09-11. A gpt-realtime-2.1 control in the same run measured 972ms. First voiced audio; the spoken answer after a tool call arrives later than on gpt-realtime.
Answer
4187ms
Audio price
$0.05 · min
Plus backend tokens (gpt-5.6-luna), billed separately.
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URL
https://benchmarks.speko.ai/s2s/openai-gpt-live-1