GPT-5.2 Instant

OpenAI

Speed-optimized GPT-5.2 variant for routine queries like information-seeking, writing, and translation. 38% fewer errors than GPT-5.1.

Text Generation API GPT Family v5.2
Parameters
-
params
Context Window
400K
tokens
Max Output
128K
tokens
Input Price
$1.7500
per 1M tokens
Output Price
$14.0000
per 1M tokens

Capabilities

👁️
Vision
Function Calling
📋
JSON Mode
🌊
Streaming
💬
System Prompt
🖥️
Code Execution
🔍
Web Search
🔌
MCP Support

Details

Release Date
December 11, 2025
Knowledge Cutoff
August 31, 2025
Source
API
API Key Required
Yes
License
Proprietary
Model ID
gpt-5.2-instant
Last updated: December 12, 2025