GPT-5.1 Chat
by OpenAI — Price updated 2026-04-04
Pricing ($/1M tokens)
Input
$1.25
Output
$10.00
Cache Read
$0.12
Web Search
$0.01
Specifications
Context Window
128,000
Max Output
16,384
Input
file, image, text
Output
text
Tool Calling
Structured Output