openai

OpenAI: GPT-5.2 Chat

GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

openai/gpt-5.2-chat

Context Size

128K

Input Price

262,500 pts/M16,144 Ks/M

Output Price

2,100,000 pts/M129,150 Ks/M

Architecture

File

Image

Text

Supported Parameters

max_completion_tokensresponse_formatseedstructured_outputstool_choicetoolsverbosity

Details

TokenizerGPT

Max Completion32,000 tokens

Provider Context128K tokens

ModeratedNo

CreatedDec 10, 2025