Gradium

The voice layer for modern apps and agents.

AI agents Voice and audio AI Developer tools and cloud

Latest funding

$30M Seed · July 9, 2026

Source: Ventureburn

Funding history ↓

Website: gradium.ai.

X: @gradiumai · 5,694 followers.

LinkedIn: linkedin.com.

Categories: AI agents Voice and audio AI Developer tools and cloud.

Sectors: AI.

Subcategory: voice APIs for agents.

Stage: Seed.

Based in: Paris, France.

Last round: Jul 9, 2026 · 126 days ago.

On Recent Funding since: Sep 22, 2026.

Signals

X account@gradiumai · created Sep 9, 2025 (14 months old) · 5,694 followers

Website registeredMar 4, 2025 (20 months old)

About Gradium

Real-time, scalable voice APIs: TTS, STT, turn-taking & voice cloning. Devs: build https://t.co/r5CdNClhI5

TIMELINE · MONEY RAISED

Gradium | 492 days from website to first raise on record

@gradiumai·Raised $30M in 1 sourced round·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

July 9, 2026
Seed · $30M
Source: Ventureburn
September 9, 2025
X account created
March 4, 2025
Website created

Founders and team

AD
Alexandre Defossez Founder
LM
Laurent Mazare Founder
NZ
Neil Zeghidour Founder
OT
Olivier Teboul Founder

Investors

Companies like Gradium

BBreeze BlueSeed · Aug 2026
RRaritoneSeed · Jun 2026
EElevenLabs$500M Series B+ · Feb 2026
DDialogusPre Seed · Jul 2026
PPalabra AISeed · Aug 2025
LLorikeet$35M Series A · Aug 2025

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/gradium (get a free API key).