T5
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A to Z
- A · App
- No
- B · Built By
- C · CEO & Politics
- Sundar Pichai — Centrist / historically bipartisan
- D · Date
- 2019
- E · Expertise
- Intermediate+
- F · Free Tier
- Yes
- G · Generates
- Text only
- H · Deployment
- Cloud + Local (open weights)
- I · Inputs
- Text
- J · Jurisdiction
- USA
- K · Key Staffers
- Jeff Dean (Chief Scientist), Sundar Pichai (CEO Alphabet)
- L · Languages
- English-primary
- M · Model Type
- LLM
- N · Safety Issues
- None reported
- O · Open Source
- Yes — open weights
- P · Pricing
- Free (open weights, Apache 2.0)
- 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
- Google's T5 (Text-to-Text Transfer Transformer, October 2019), a framework that casts every text task, from question answering and classification to summarization, as feeding text in and generating text out; Google's systematic study of pre-training objectives, architectures and data sets, combined with scale and its new Colossal Clean Crawled Corpus (C4), set state-of-the-art results on GLUE, SuperGLUE, SQuAD and CNN/Daily Mail, and the data set, models and code were released.
- S · Stock / Status
- $344 (GOOGL, Sep 25, 2026)
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- No
- W · Weights
- Downloadable
- X · X Handle
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Open-weights LLM from Google, released 2019.
Data completeness 88% · Last verified 2026-06-11 · Primary source ↗
Cite this
“T5.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/t5-google.html
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