GPT-5.2 Chat (retires Aug 10)

gpt Tool Calling Attachments Structured Output

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...

Providers 1

Released Dec 10, 2025

Input Modalities pdf, image, text

Output Modalities text

Tarsk Use coding

Available Providers (1)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
Kilo Gateway	`openai/gpt-5.2-chat`	$1.75/MTok	$14/MTok	128K	16.4K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output