ByT5

Google · 2021 · LLM · USA

A to Z

A · App: No
B · Built By: Google
C · CEO & Politics: Sundar Pichai — Centrist / historically bipartisan
D · Date: 2021
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 5/10 · Currency 4/10 · Access 9/10 · Significance 5/10 → 5.4
R · What Makes It Special: Google's ByT5, token-free T5-architecture models that read and write raw bytes instead of word or subword tokens, so they handle text in any language out of the box; Google reports they are competitive with token-level models, much more robust to noise and better on spelling- and pronunciation-sensitive tasks, and released the models, code and data.
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: @Google
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Open-weights LLM from Google, released 2021.

Data completeness 88% · Last verified 2026-05-12 · Primary source ↗

“ByT5.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/byt5.html