OpenAI: GPT-5.2 Chat

Tool Calling Attachments

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 11, 2025

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Available Providers (1)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
Kilo Gateway	`openai/gpt-5.2-chat`	$1.75/MTok	$14.00/MTok	128K	16.4K

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Reasoning

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