GPT-Live 1

Closed Active Multimodal gpt-live-1

Full-duplex voice model that delegates reasoning and tools to a backend model; GA in the API 2026-09-10.

Released
Sep 10, 2026
Context window
Not disclosed
Max output
Not disclosed
Parameters
Not disclosed
Input price
Not disclosed
Output price
Not disclosed

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceSep 10, 2026
$0.0008 per second
Current price since Sep 10, 2026
$0.0008 per second

Specifications

Developer
OpenAI
Model type
Multimodal
Architecture
Not disclosed
Parameters
Not disclosed
Input
Text Audio
Output
Text Audio
Knowledge cutoff
Jul 2025
License
Proprietary
API access
First-party API
Capabilities
Agentic