gpt-5.1-2025-11-13
by OpenAI — Price updated 2026-04-04
Pricing ($/1M tokens)
Input
$1.25
Output
$10.00
Cache Read
$0.12
Specifications
Context Window
272,000
Max Output
128,000
Input
text
Output
text
Tool Calling
Reasoning
About This Model
It supports a context window of 272K tokens with up to 128K output tokens.
Key capabilities include tool calling, extended reasoning.
With input pricing at $1.25/1M tokens, it sits in the mid-range of available models.
OpenAI offers 87 models in total, spanning different price points and capability levels.