GPT-1
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A to Z
- A · App
- No
- B · Built By
- OpenAI
- C · CEO & Politics
- Sam Altman — Independent; self-described 'politically homeless' (2025); former Democratic donor; $1M personal donation to Trump inaugural fund (2025)
- D · Date
- 2018
- E · Expertise
- Intermediate+
- F · Free Tier
- Yes
- G · Generates
- Text only
- H · Deployment
- Local (open weights)
- I · Inputs
- Text
- J · Jurisdiction
- USA
- K · Key Staffers
- Greg Brockman (President), Jakub Pachocki (Chief Scientist), Brad Lightcap (COO), Fidji Simo (CEO Applications), Sarah Friar (CFO), Mark Chen (SVP Research), Denise Dresser (CRO)
- L · Languages
- English-primary
- M · Model Type
- LLM
- N · Safety Issues
- None reported
- O · Open Source
- Yes — open weights
- P · Pricing
- Free (open weights, MIT)
- Q · AIDb Rating
- 5/10 · AIDb v2.0 (rule-based): Capability 4/10 · Currency 4/10 · Access 7/10 · Significance 4.5/10 → 4.52
- R · What Makes It Special
- GPT-1, the model from OpenAI's paper Improving Language Understanding by Generative Pre-Training: a 12-layer decoder-only Transformer (768-dimensional states, 12 attention heads) pre-trained as a language model on BooksCorpus, over 7,000 unpublished books, then fine-tuned for each task; it beat task-specific models and set the state of the art on 9 of 12 language understanding tasks, including gains of 8.9% on the Stories Cloze Test and 5.7% on RACE. OpenAI released its code and model.
- S · Stock / Status
- Private (~$852B valuation, Mar 2026)
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- No
- W · Weights
- Downloadable
- X · X Handle
- @OpenAI
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Open-weights LLM from OpenAI, released 2018.
Data completeness 88% · Last verified 2026-06-11 · Primary source ↗
Cite this
“GPT-1.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/gpt-1-openai.html
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