Phi-2

Microsoft · 2023 · LLM · USA

A to Z

A · App: No
B · Built By: Microsoft
C · CEO & Politics: Satya Nadella — Centrist / moderate
D · Date: 2023
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: Mustafa Suleyman (CEO Microsoft AI), Kevin Scott (CTO)
L · Languages: English-primary
M · Model Type: LLM
N · Safety Issues: None reported
O · Open Source: Yes — open weights
P · Pricing: Free (open weights, MIT)
Q · AIDb Rating: 5/10 · AIDb v2.0 (rule-based): Capability 4/10 · Currency 4/10 · Access 10/10 · Significance 4.5/10 → 4.97
R · What Makes It Special: Microsoft's Phi-2 (December 2023), a 2.7B-parameter Transformer trained on the same data sources as Phi-1.5 plus new synthetic NLP texts and filtered websites, which showed nearly state-of-the-art performance among models under 13B parameters on common-sense, language-understanding and logical-reasoning benchmarks; released without RLHF as an unrestricted small model for research on safety challenges, it is best suited to QA, chat and code prompts. MIT license.
S · Stock / Status: $516 (MSFT, Sep 25, 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: Downloadable
X · X Handle: @Microsoft
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Open-weights LLM from Microsoft, released 2023.

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

“Phi-2.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/phi-2-microsoft.html