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...
Related Models
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
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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