Sieve blog · Mar 2026
Explains the pivot from video APIs to multimodal data at petabyte scale, customer expansion into frontier AI labs, and the company’s data-operations differentiation.
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Sieve is a San Francisco-based multimodal data lab and developer platform. It started as a video-AI/API company and has since pivoted toward providing petabyte-scale training data, data infrastructure, and workflows for frontier AI labs, Fortune 100 companies, and startups.
Primary product
Multimodal data lab / API platform for video AI and training-data infrastructure
Founded
2022
Headquarters
San Francisco, California, United States
Team size
11-50
Industry
Software Development
Sub-industry
AI infrastructure / multimodal data platform
Offices
San Francisco, CA (HQ)
Berkeley, CA
Business model
usage-based API pricing
pay-as-you-go SaaS
enterprise/custom pilot engagements
data services / dataset delivery
Funding
Stage
seed / early-stage
Total raised
$5M
Latest round
Convertible Note - II
Nov 2022 · Matrix Partners
People & investors
Leadership
Co-founder, CEO
Co-founder, CTO
Applied Research and Product Lead
Founding GTM
Chief of Staff
Work & culture
Research-lab culture: tight-knit, fast-moving, deeply customer-oriented, and engineering-heavy; the company emphasizes direct work with researchers and high-ownership execution.
Visa sponsorship
Limited
Compensation
Public job postings show roughly $150K-$300K base salary ranges for some engineering roles, with some roles advertising up to $350K and equity; postings also mention in-person SF HQ work and competitive equity.
Benefits
401(k)
full health insurance
breakfast covered
lunch covered
dinner covered
snacks
Ubers home
Product & market
Pricing
Pay-as-you-go for most APIs, with starter credits, a production plan, and enterprise/custom pricing
Differentiators
- —exabyte-scale video infrastructure
- —petabyte-scale multimodal data operations
- —software-first collection, indexing, filtering, QA, and annotation
- —expert-in-the-loop validation
- —high-signal multimodal datasets for frontier training
- —direct partnership with research teams
Technology
React Native
TypeScript
Prometheus
Helm
React
Oracle
Python
GitHub
Terraform
Cloudflare
PyTorch
Swift
Redis
MongoDB
Grafana
Kubernetes
NVIDIA
Box
IAM
Clever
Customers
frontier AI labs
Fortune 100 companies
fast-growing startups
creative tools
social platforms
media companies
Scale & contact
Latest news
Sieve blog · May 2025
Shows a Sieve-built AI influencer bot using Sieve APIs for lipsync and video synthesis, illustrating the platform’s developer use cases.
CB Insights · Apr 2025
Company profile summarizing Sieve’s funding, investors, headquarters, employees, and AI video platform positioning.
ai-coustics · Nov 2024
Announces a partnership integrating audio and speech enhancement into Sieve’s platform for video/audio workflows.
Jobs and careers at Sieve
13 jobs at Sieve
Growth Operations Lead
On-site
Product
San Francisco; San Francisco, California, United States
3d ago
On-site
Full-time
Business Operations
On-site
Business Operations
San Francisco; San Francisco, California, United States
5d ago
On-site
Full-time
Business Development
On-site
GTM
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Growth Associate
Remote
Business Operations
India
1mo ago
Remote
Contract
Member of Technical Staff, Machine Learning
On-site
Engineering
San Francisco
2mo ago
On-site
Full-time
Member of Technical Staff, Forward Deployed
On-site
Engineering
San Francisco
4mo ago
On-site
Full-time
Data Operations Lead
On-site
Operations
San Francisco
6mo ago
On-site
Full-time
Reliability Engineer
On-site
Engineering
San Francisco
7mo ago
On-site
Full-time
Product Engineer
On-site
Engineering
San Francisco
7mo ago
On-site
Full-time
Product & Ops Lead
On-site
Operations
San Francisco
12mo ago
On-site
Full-time
Software Engineer
On-site
Engineering
San Francisco
1y ago
On-site
Full-time
Applied Research Engineer
On-site
Engineering
San Francisco
1y ago
On-site
Full-time
Distributed Systems Engineer
On-site
Engineering
San Francisco
1y ago
On-site
Full-time