Smallest.ai
Foundational AI research lab building the next generation of real-time voice AI infrastructure for enterprises.
$13MSeries A
Role not disclosed3C
3one4 Capital
3one4capital.com ↗Activity from announced rounds
Activity in this selectionUnited States · Oct 14, 2026 · Jul 17, 2026
3one4 Capital backs early-stage companies building for India, with interests across software, consumer internet, fintech, digital health and business digitisation.
An early-stage focus on India
The firm works with founders through investment and operating support, including finance, research, governance and growth. Its stated focus covers both consumer-facing services and software that changes business workflows.
RoundOS records activity involving Smallest.ai, Unbox Robotics and Gravity. The firm’s own investment articles discuss voice AI, warehouse robotics and building materials, illustrating different markets within the financing history shown here. These are selected recorded transactions rather than a census of the portfolio.
- Rounds participated in
- 1
- Confirmed lead rounds
- — 1 roles undisclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $13M 1 disclosed · full round size, not this investor’s share