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.
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
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
Business model
Stage
seed / early-stage
Total raised
$5M
Latest round
Convertible Note - II
Nov 2022 · Matrix Partners
Leadership
Co-founder, CEO
Co-founder, CTO
Applied Research and Product Lead
Founding GTM
Chief of Staff
Investors
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
Pricing
Pay-as-you-go for most APIs, with starter credits, a production plan, and enterprise/custom pricing
Differentiators
Technology
Customers
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.
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.