Founder · Smallest.ai

Sudarshan Kamath

Co-founder & CEO of Smallest.ai, a voice ai infrastructure company based in San Francisco.

Co-founder · CEOSan FranciscoVoice AI Infrastructure
Raised to date
$21M
2 rounds on record
Latest round
Series A
$13M · Jul 2026
Team
51–200

About

Sudarshan Kamath is Co-founder & CEO of Smallest.ai, a voice ai infrastructure company based in San Francisco. Smallest.ai's most recent disclosed round was a Series A of $13M in Jul 2026.

Compiled from StartupFox records · updates as coverage is published

Company

Smallest.ai
Voice AI Infrastructure · San Francisco · 51–200 people · Active

Smallest.ai, incorporated as Smallest Inc., builds real-time voice AI infrastructure for enterprises, including speech recognition, speech generation and speech-to-speech models. Its Voice 4.0 platform is built on an architecture the company calls Hydra, which processes listening, reasoning and speech generation in parallel rather than in sequence.

Funding
2026-07-30Series A$13MSeligman Ventures, Sierra Ventures, 3one4 Capital, Better Capital, Upsparks Capital, Schema Ventures, Tiny VC, DeVC, Mission Street Capital
2025-10Seed$8MSierra Ventures, 3one4 Capital
Company profile →2 rounds on record

Journey with Smallest.ai

2 milestones
  1. May 2026Milestone

    Partners with Tenstorrent to run its Lightning V2 model on P100 accelerators, with the companies claiming 550 simultaneous voice calls on roughly $27,000 of hardware against about $100,000 of comparable Nvidia GPUs.

  2. 30 Jul 2026Milestone

    Launches Voice 4.0 alongside its Series A, built on an asynchronous speech-to-speech architecture called Hydra that processes listening, reasoning and speech generation in parallel.

Also building Smallest.ai

AMAkshat MandloiCo-founder · CTO→

Coverage

1 story
Funding · 4 Aug 2026 · 5 min read
Smallest.ai Raises $13 Million Series A Led by Seligman Ventures to Scale Real-Time Voice AI

Quick answers

Who is Sudarshan Kamath?

Sudarshan Kamath is a Co-founder & CEO of Smallest.ai, a voice ai infrastructure company based in San Francisco.

Who founded Smallest.ai?

Smallest.ai's founders and leadership on record at StartupFox are Sudarshan Kamath and Akshat Mandloi.

How much funding has Smallest.ai raised?

Smallest.ai has raised $21M across 2 disclosed rounds on record. The latest was a Series A of $13M in Jul 2026, with Seligman Ventures, Sierra Ventures, 3one4 Capital.

Where is Smallest.ai based?

Smallest.ai is headquartered in San Francisco, United States.

What has StartupFox reported about Sudarshan Kamath?

StartupFox has published 1 story naming Sudarshan Kamath; the most recent is “Smallest.ai Raises $13 Million Series A Led by Seligman Ventures to Scale Real-Time Voice AI”.

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Sources & updates

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