S

Sieve

Cloud platform for AI video/audio apps

Overview

SieveData offers a cloud platform to build and deploy custom AI-powered video and audio features, providing ready-made models and the deployment infrastructure needed by product teams. Developers integrate capabilities via APIs to add functions such as automatic video cropping, translation, speech transcription, and noise removal, with each app including an auto-generated playground for testing and collaboration; the platform auto-scales with demand and uses a compute-based pricing model. It differentiates itself by pairing ready-to-use models with end-to-end infrastructure and a per-app playground, emphasizing ownership and straightforward collaboration. The goal is to help product teams quickly create, test, and deploy scalable AI video and audio features while maintaining cost visibility and control.

YC CompanySignificant Headcount Growth

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About Sieve

Simplify's Rating
Why Sieve is rated
C
Rated B on Competitive Edge
Rated C on Growth Potential
Rated D+ on Differentiation

Industries

Data & AnalyticsEnterprise SoftwareAI & Machine Learning

Company Size

11-50

Company Stage

Seed

Total Funding

$4.1M

Headquarters

San Francisco, CA

Founded

2021

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Simplify's take

What believers are saying

  • Sieve said on March 4, 2026 it collects millions of hours monthly.
  • Its July 24, 2026 engineering post signals heavy technical credibility and shipping velocity.
  • Homepage updates through November 5, 2026 show active operation and product expansion.

What critics are saying

  • Sieve’s developer video API disappeared by July 2026, erasing its original buyer base.
  • The pivot to datasets narrows demand to a few frontier labs and procurement cycles.
  • If labs internalize data pipelines, Sieve loses the entire category it now sells.

What makes Sieve unique

  • Sieve rebuilt in 2026 from APIs into a multimodal data lab for frontier AI labs.
  • Sieve embedded one billion videos and queried 41 billion vectors, showing rare scale.
  • Sieve controls collection, licensing, annotation, and delivery, giving labs end-to-end sourcing.

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Funding

Total Funding

$4.1M

Below

Industry Average

Funded Over

2 Rounds

Notable Investors:
Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Above Average

Industry standards

$3.3M
$2M
$2.3M
$3M
$4M

Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Unlimited Paid Time Off
  • Flexible Work Hours
  • Hybrid Work Options
  • Remote Work Options
  • Paid Vacation
  • Paid Sick Leave
  • Paid Holidays
  • Wellness Program
  • Mental Health Support

Growth & Insights and Company News

6 month growth

14%

1 year growth

4%

2 year growth

-2%
Sieve
Nov 22nd, 2023
source for fast, high

To improve this, Sievedata has introduced a series of optimizations on the original repository that greatly improves speed and performance.

Sieve
Oct 10th, 2023
Sieve's Video AI API Beta and ~$4M Raise

The explosion of rich data, the Sieve public beta, our ~$4M seed round, and how we enable developers to build amazing experiences with video + AI.

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