Model
GPT 5 Nano
GPT 5 Nano is a model from OpenAI, released August 7, 2025.
Release Date: Aug 7, 2025
Developer
OpenAI 🇺🇸
Context Window
400k
Max Output Tokens
128k
Token Costs (in/out)
$0.05/0.40
Weights
Private
Input Modalities
Accuracy
58.54 %
Avg. Cost (In/Out)
$
0.05
/
$
0.40
Latency
55.01 s
BenchmarksAccuracyRankings
Proprietary BenchmarksAcademic BenchmarksIndustry Partners