OpenAI: GPT-5.2 Chat

OpenAI: GPT-5.2 Chat is a large language model from OpenAI. It costs $1.75 per million input tokens and $14.00 per million output tokens. Its context window is 128K tokens.

Tool callingStructured outputPrompt cachingfile inputimage input

Input / 1M tokens: $1.75
Output / 1M tokens: $14.00
Cached input / 1M: $0.175
Context window: 128K

This model also charges $0.01 per search request

That is $10.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.0088, so the search fee is 1.1× the token cost. Per-token rankings elsewhere ignore this entirely.

Who serves it cheapest

1 hosts serve GPT-5.2 Chat. Same weights, same API - the price difference is pure margin and routing.

Providers serving OpenAI: GPT-5.2 Chat, cheapest first
Provider	Input / 1M	Output / 1M	Context	Throughput	Uptime 24h
AzureCheapest	$1.75	$14.00	128K	-	-

About 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...

Specifications

OpenAI: GPT-5.2 Chat specifications
Model ID	`openai/gpt-5.2-chat`
Provider	OpenAI
Context window	128K tokens
Max output	32K tokens
Input modalities	file, image, text
Output modalities	text
Knowledge cutoff	-
Open weights	No
Released	December 10, 2025

Cheaper alternatives

Models that cost less than GPT-5.2 Chat while keeping at least half its context window and every input modality it supports.

GPT-5.6 Terra Pro

$2.00 in · $12.00 out

1.1× cheaper

GPT-5.6 Terra

$2.00 in · $12.00 out

1.1× cheaper

Gemini 3.1 Pro Preview Custom Tools

$2.00 in · $12.00 out

1.1× cheaper

Gemini 3.1 Pro Preview

$2.00 in · $12.00 out

1.1× cheaper

GPT-4o (2024-11-20)

$2.50 in · $10.00 out

1.1× cheaper

Frequently asked

How much does OpenAI: GPT-5.2 Chat cost?

$1.75 per million input tokens and $14.00 per million output tokens. Cached input reads cost $0.175 per million tokens.

What is the context window of OpenAI: GPT-5.2 Chat?

128K tokens, with up to 32K tokens of output per request.

Does OpenAI: GPT-5.2 Chat have extra fees beyond per-token pricing?

Yes. OpenAI: GPT-5.2 Chat charges $0.01 per search request - $10.00 per 1,000 requests - on top of $1.75 per million input tokens and $14.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 1.1× the token cost.

Confirm against the source: OpenAI official pricing.