Allen AI Llama-3.1-Tulu-3-405B

Allen AI · 2024 · LLM · USA

A to Z

A · App: Yes
B · Built By: Allen AI
C · CEO & Politics: Ali Farhadi — Centrist / academic
D · Date: 2024
E · Expertise: Beginner (app available)
F · Free Tier: Yes
G · Generates: Text only
H · Deployment: Cloud + Local (open weights)
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Nathan Lambert (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, Llama license)
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: Llama-3.1-Tulu-3-405B, Ai2's largest Tülu 3 model: Meta's Llama 3.1 405B base model post-trained with Tülu 3's fully open recipe of supervised fine-tuning, DPO and final reinforcement learning with verifiable rewards, with open data, code and recipes meant as a guide to modern post-training. It targets chat plus tasks such as MATH, GSM8K and IFEval, is primarily English, and is licensed under the Llama 3.1 Community License Agreement.
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 88% · Last verified 2026-06-11 · Primary source ↗

“Allen AI Llama-3.1-Tulu-3-405B.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/allen-ai-llama-3-1-tulu-3-405b.html