Jurassic-1-Jumbo

AI21 Labs · 2021 · LLM · Israel

A to Z

A · App: No
B · Built By: AI21 Labs
C · CEO & Politics: Ori Goshen and Yoav Shoham (co-CEOs) — Centrist (Israel-based)
D · Date: 2021
E · Expertise: Intermediate+
F · Free Tier: No free tier
G · Generates: Text only
H · Deployment: Cloud only (proprietary)
I · Inputs: Text
J · Jurisdiction: Israel
K · Key Staffers: Ori Goshen (Co-CEO), Yoav Shoham (Co-CEO), Amnon Shashua (Chairman)
L · Languages: English-primary
M · Model Type: LLM
N · Safety Issues: None reported
O · Open Source: Proprietary
P · Pricing: No longer on AI21's price list (AI21 now sells Jamba models)
Q · AIDb Rating: 4/10 · AIDb v2.0 (rule-based): Capability 4/10 · Currency 4/10 · Access 2/10 · Significance 4/10 → 3.70
R · What Makes It Special: AI21's 178B-parameter model (Aug 2021), at release the largest language model available to developers for general use; it uses a 250K-token vocabulary that includes multi-word tokens.
S · Stock / Status: Private
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: API only
X · X Handle: @AI21Labs
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary LLM from AI21 Labs, released 2021.

Data completeness 88% · Last verified 2026-06-11 · Primary source ↗

“Jurassic-1-Jumbo.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/jurassic-1-jumbo-ai21-labs.html