AlexaTM 20B

Amazon · 2022 · LLM · USA

A to Z

A · App: Yes
B · Built By: Amazon
C · CEO & Politics: Andy Jassy — Centrist / corporate moderate
D · Date: 2022
E · Expertise: Beginner (app available)
F · Free Tier: Yes
G · Generates: Text only
H · Deployment: Cloud + Local (open weights, non-commercial license)
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Andy Jassy (CEO), Swami Sivasubramanian (VP AI & Data)
L · Languages: English-primary
M · Model Type: LLM
N · Safety Issues: None reported
O · Open Source: Proprietary
P · Pricing: Free weights for non-commercial use (Alexa Teacher Model License, via SageMaker JumpStart)
Q · AIDb Rating: 4/10 · AIDb v2.0 (rule-based): Capability 4/10 · Currency 4/10 · Access 4/10 · Significance 4/10 → 4.00
R · What Makes It Special: 20B multilingual sequence-to-sequence model (Alexa Teacher Model) pre-trained on denoising and causal language modeling; Amazon showed it beats the much larger 540B PaLM on 1-shot summarization.
S · Stock / Status: $250 (AMZN, Sep 25, 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: API only
X · X Handle: @amazon
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary LLM from Amazon, released 2022.

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

“AlexaTM 20B.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/alexatm-20b-amazon.html