GPT-5.2 Chat
ModelActiveby OpenAI · family “gpt-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... (description from the OpenRouter listing)
in: filein: imagein: textout: textTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
10 Dec 2025
Context window
128K tokens
Max output
32K tokens
Input $ / 1M tokens
$1.75
Output $ / 1M tokens
$14.0
Cached input $ / 1M
$0.17
Each benchmark shown separately with its own source
Benchmark results (0)
No benchmark results recorded for this model.
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
10 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Model launch10mo agoOpenAI releases GPT-5.2 ChatOpenRouter models API