VALL-E X

Microsoft · 2023 · Speech Synthesis · 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: No free tier
G · Generates: Text only
H · Deployment: Research
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Mustafa Suleyman (CEO Microsoft AI), Kevin Scott (CTO)
L · Languages: English-primary
M · Model Type: Speech Synthesis
N · Safety Issues: None reported
O · Open Source: Proprietary
P · Pricing: Not sold (research model)
Q · AIDb Rating: [UNKNOWN]
R · What Makes It Special: Microsoft's VALL-E X, a cross-lingual neural codec language model extending VALL-E: prompted with one utterance in a source language plus target-language text, it generates target-language speech that keeps the unseen speaker's voice, emotion and acoustic environment, enabling zero-shot cross-lingual speech synthesis and speech-to-speech translation, with a language ID to control foreign accent.
S · Stock / Status: $516 (MSFT, Sep 25, 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: API only
X · X Handle: @Microsoft
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary Speech Synthesis from Microsoft, released 2023.

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

“VALL-E X.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/vall-e-x.html