gpt-5-nano-2025-08-07
by OpenAI — Price updated 2026-04-04
Pricing ($/1M tokens)
Input
$0.05
Output
$0.40
Cache Read
$0.0050
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.
Priced at $0.05/1M input tokens, it ranks among the more affordable options in the current market.
OpenAI offers 87 models in total, spanning different price points and capability levels.