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Besimple AI

Besimple AI logo

Besimple AI

Voice data for AI

besimple.ai
HQ: Redwood City, CA, USA
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Overview

YC-backed 2025 startup building licensed conversational audio data and a human-in-the-loop annotation/evaluation platform for voice and multimodal AI.

Primary product

Licensed conversational audio datasets and a human-in-the-loop annotation/evaluation platform for voice AI.

Founded

2025

Headquarters

Redwood City, California, United States

Team size

10-20

Work style

Flexible

Industry

Technology, Information and Internet

Sub-industry

AI data infrastructure / voice AI data

Offices

Redwood City, California, United States
San Francisco, California, United States
San Mateo, California, United States

Business model

B2B data platform
data licensing
managed human-in-the-loop services
custom annotation services

Funding

Stage

seed

Total raised

$3.6M

Latest round

Seed · Nov 2025

Latest amount

$3M

People & investors

Leadership

Yi Zhong

Co-Founder

Bill Wang

Co-Founder

Lisa Kaelin

Data Operations Lead

Investors

Amino Capital
Emmett Shear
Goat Capital
Kyle Vogt
Multimodal Ventures
Porterfield Ventures
Script Capital
SurgePoint Capital
WELIGHT Capital
Y Combinator

Work & culture

Customer-close and high-ownership: the company emphasizes shipping fast, learning with customers, rubric clarity, inter-annotator agreement, tight feedback loops from production back to evaluation, and end-to-end ownership.

Work style

Flexible

Visa sponsorship

Limited

Compensation

Public postings show roughly $25-$45/hour for Audio QA contractor roles, $140K-$160K for some lead roles, and $130K-$200K plus meaningful early equity for a full-time engineering role.

Benefits

Health insurance
Dental insurance
Vision insurance
401(k)
Equity / early equity

Product & market

Pricing

Demo-led, custom-quote licensing with flexible deals; production access is offered via API or S3, and the site also references a self-serve waitlist.

Differentiators

  • —Licensed, ethically sourced conversational audio
  • —48-hour sample delivery
  • —Custom annotation UIs and AI judges
  • —Supports text, chat, audio, video, and LLM traces
  • —On-prem optional with cloud workflows
  • —15+ languages and diverse accents
  • —Vetted expert annotator network
  • —Continuous dataset expansions at scale

Technology

Python
React
Firebase
TypeScript
JavaScript
Webflow
SQL
Amplitude
HubSpot
Salesforce
6sense
Clearbit
ZoomInfo
Zapier
Lemlist
Google Sheets
LinkedIn Sales Navigator
Figma
Audacity
Bash

Customers

AI labs
voice AI teams
enterprise AI teams
customer support teams
search teams
education teams

Competitors

Scale AI
Labelbox
SuperAnnotate
Encord
V7
Label Studio
Specific
Clarm
Roark

Scale & contact

Estimated revenue

~$0.43M-$0.44M ARR (third-party estimates)

Estimated monthly visits

3.2K

Traffic estimate as of Jun 2026

founders@besimple.ai

Latest news

Vocal Affect Bench

Besimple AI · Jul 2026

Official research/benchmark launch focused on voice-model affect and related evaluation.

Voice Code Bench

Besimple AI · May 2026

Official research/benchmark launch for measuring voice-agent code-related performance and errors.

Announcing our $3M seed round

Besimple AI · Nov 2025

Official seed-round announcement: Besimple AI said it raised $3M to build the data layer for AI, starting with audio, and named Y Combinator, SurgePoint Capital, Porterfield Ventures, Amino Capital, WELIGHT Capital, Multimodal Ventures, Script Capital, and angels as backers.

Launch YC: Besimple AI – Spin up your own data annotation platform in 60 seconds🚀

Y Combinator · May 2025

YC launch post describing Besimple AI as a fast way to spin up custom data annotation platforms, with founders Yi Zhong and Bill Wang.

AboutBlogCareersGitHub organizationHomepageLinkedIn companyPrivacy policyResearchSeed announcementY Combinator company page
SourcesOfficial homepageOfficial careers pageOfficial research pageOfficial blogSeed announcementAbout usLinkedIn company pageY Combinator company pageY Combinator jobs pageY Combinator launch postGitHub orgPrivacy policyYi Zhong LinkedInBill Wang LinkedInLisa Kaelin LinkedInGetLatka revenue estimateAitoolnet Similarweb traffic snapshotVC Tavern seed-round coverageStartup Intros funding summary

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