GPT may refer to:
Biology
- Alanine transaminase or glutamate pyruvate transaminase
- Goniopora toxin
- UDP-N-acetylglucosamine—undecaprenyl-phosphate N-acetylglucosaminephosphotransferase
Technology
- Get paid to surf, an on line business model
- GUID Partition Table, a disk partitioning standard
- Google Publisher Tag, a JavaScript tag embedded in HTML pages to display ads served with DoubleClick for Publishers
- Generative Pre-trained Transformer, a left-to-right transformer-based text generation model developed by OpenAI, succeeded by GPT-2 and GPT-3
Companies
- GEC Plessey Telecommunications, a defunct British telecommunications manufacturer
- GPT Group, an Australian property investment company
Other uses
- General purpose technology, in economics
- Gulfport–Biloxi International Airport, in Mississippi
- Grounded practical theory, a social science theory