Phi-3.5

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: 6/10 · AIDb v2.0 (rule-based): Capability 6.5/10 · Currency 4/10 · Access 9/10 · Significance 6/10 → 6.3
R · What Makes It Special: Microsoft's Phi-3.5 series, which extends Phi-3 with stronger multilingual, multimodal and long-context abilities: Phi-3.5-mini, Phi-3.5-MoE (16 x 3.8B experts, 6.6B active parameters) and Phi-3.5-Vision (4.2B parameters, single- and multi-image input); Microsoft reports Phi-3.5-MoE beats similar-size open models such as Llama 3.1 and Mixtral on language reasoning, math and code and is on par with Gemini 1.5 Flash and GPT-4o-mini.
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 88% · Last verified 2026-05-12 · Primary source ↗

“Phi-3.5.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/phi-35.html