OLMo

Allen AI · 2024 · LLM · USA

A to Z

A · App: No
B · Built By: Allen AI
C · CEO & Politics: Ali Farhadi — Centrist / academic
D · Date: 2024
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: Dirk Groeneveld (Lead author), Hannaneh Hajishirzi (Senior 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, Apache 2.0)
Q · AIDb Rating: [UNKNOWN]
R · What Makes It Special: OLMo, Ai2's first series of Open Language Models, built to enable the science of language models: its first release comprised OLMo 1B, trained on 3 trillion tokens, OLMo 7B, trained on 2.5 trillion, and OLMo 7B Twin 2T, all with a 2,048-token context and trained on Ai2's Dolma dataset under Apache 2.0. Ai2 released the code, checkpoints for every 1,000 training steps, logs and training details; a newer OLMo 7B version improves MMLU by 24 points.
S · Stock / Status: Non-profit
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: Downloadable
X · X Handle: @allen_ai
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Open-weights LLM from Allen AI, released 2024.

Data completeness 85% · Last verified 2026-05-12 · Primary source ↗

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