Skip to main content
Back to Explore

OpenAI: GPT-5.2 Chat

OpenAI·Released 2025-12-10
128K ctxMultimodal

About

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...

Pricing

Input

$1.75

per 1M tokens

Output

$14.00

per 1M tokens

Blended

$4.81

per 1M tokens

Cheaper than 13% of models. Median price is $0.67/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$4.81

Monthly

$144.38

vs. Similar Models

OpenAI: GPT-5.3-Codex
$4.810%
OpenAI: GPT-5.2
$4.810%
OpenAI: GPT-5.2-Codex
$4.810%
OpenAI: GPT-5.3 Chat
$4.810%

Performance

Context Window

128K

tokens

Larger than 16% of models

Max Output

16K

tokens

13% of context

Context Window Comparison

Inception: Mercury 2
128KSame
Perplexity: Sonar Reasoning Pro
128KSame
Upstage: Solar Pro 3
128KSame

Quick Compare

Similar Models

Compare all 7 models