GPT-Neo
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A to Z
- A · App
- Yes
- B · Built By
- EleutherAI
- C · CEO & Politics
- Community-led (no CEO) — N/A (open-source community)
- D · Date
- 2021
- E · Expertise
- Beginner (app available)
- F · Free Tier
- Yes
- G · Generates
- Text only
- H · Deployment
- Cloud + Local (open weights)
- I · Inputs
- Text
- J · Jurisdiction
- USA
- K · Key Staffers
- Sid Black (Lead author), Leo Gao (Co-author), Phil Wang (Co-author), Connor Leahy (Co-author), Stella Biderman (Co-author)
- 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 10/10 · Significance 4/10 → 4.90
- R · What Makes It Special
- GPT-Neo, EleutherAI's open GPT-3-style language models, implemented with model and data parallelism in the mesh-tensorflow library: EleutherAI released pretrained 1.3B and 2.7B models trained on the Pile, the curated dataset it built for the purpose, with the 2.7B model trained on 420 billion tokens over 400,000 steps. The code is MIT-licensed; EleutherAI stopped maintaining it in August 2021 and archived the repository in February 2022.
- S · Stock / Status
- Non-profit
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- No
- W · Weights
- Downloadable
- X · X Handle
- @AiEleuther
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Open-weights LLM from EleutherAI, released 2021.
Data completeness 88% · Last verified 2026-06-11 · Primary source ↗
Cite this
“GPT-Neo.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/gpt-neo-eleutherai.html
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