Phi-3 Medium

Microsoft · 2024 · LLM · USA

A to Z

A · App: No
B · Built By: Microsoft
C · CEO & Politics: Satya Nadella — Centrist / moderate
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: 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: [UNKNOWN]
R · What Makes It Special: Phi-3 Medium, Microsoft's 14B-parameter lightweight open model released May 21, 2024 under the MIT license, in 4K and 128K context versions: trained for 42 days on 512 H100 GPUs over 4.8 trillion tokens of Phi-3 data, synthetic plus filtered public web data chosen for quality and reasoning density, then post-trained with supervised fine-tuning and DPO for instruction following and safety. Microsoft reported state-of-the-art results among models of its size and the next size up.
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 2024.

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

“Phi-3 Medium.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/phi-3-medium.html