GPT-Live 1

proprietary

GPT-Live 1 is a full-duplex voice model for real-time conversations. It can listen and speak at the same time, and delegate reasoning and tool use to a backend agent.

Live session duration
$0.05/minute

Capabilities

Reasoning & Interaction
Tool Calling
Infrastructure
Streaming

Details

Model IDgpt-live-1
Provider OpenAI
Creator openai
Family—
Licenseproprietary
Statusactive
Type—
Input modalitiesaudio, text
Output modalitiesaudio, text
Open weightNo
Parameters—
Architecture—
Context window—
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

livePOST
https://api.openai.com/live

Pricing

Live session durationPer minute
Per minute
Standard$0.05

Session duration is not rounded up to the next whole minute.

Backend Responses calls use the normal pricing for the configured model and tools.

API

GET/v1/models/openai/gpt-live-1

GPT-Live 1

gpt-live-1

GPT-Live 1 is a full-duplex voice model for real-time conversations. It can listen and speak at the same time, and delegate reasoning and tool use to a backend agent.

gpt-live-1
Changes · 3 entries
gpt-live-1createca7a400Nov 2, 2026, 03:02 AM
gpt-live-1update118451aSep 24, 2026, 07:08 AM
knowledge_cutoff2025-07
pricingtiers[{"label":"Live session duration","unit":"Per minute","co...
tools["function_calling"]
endpoints["live"]
gpt-live-1create17bcfbfSep 11, 2026, 06:36 AM