Subsets

AI-driven Retention Automation for subscription media businesses.

3.8Score#191 of 999 agents#6 of 22 in Performance marketer

Why it ranks #191

Subsets, an AI performance marketer from YC S23, ranks #191 of 999 AI agents and #6 of 22 in Performance marketer, with a score of 3.8 of 10. Data as of 3 Oct 2026.

The score adds four parts, each 0 to 10, by weight. Every point comes from public evidence. How scoring works ·

Proof 5 × 30% 1.5
Scale 3 × 30% 0.9
Momentum 2 × 25% 0.5
Autonomy 6 × 15% 0.9
= 3.8

Proof
Do customers use it? 30% of the score
5
Claims named customers and a customer result.
- +3
  Named customers
  “Trusted by consumer subscription businesses like The Atlantic, NBCUniversal, Daily Mail, Matas Group, and Hearst.”
  YC page
- +2
  A customer result
  “Our solution helps leading subscription businesses increase CLV by +20% and extend subscriber lifetime up to 6 months.”
  Launch YC post · 17 Jul 2023
Not found: revenue or growth (+4), a customer count (+2), work done at scale (+2)
Scale
Is there a real company behind it? 30% of the score
3
7 people.
- +3
  7 people on its YC page5 to 9 people
Not found: funding round in its news (+3)
Momentum
Is it shipping and growing now? 25% of the score
2
Shows hiring.
- +2
  Hiring: 1 open roleAccount Executive - EnterpriseYC page
Not found: launch YC post in the last 6 months (+3), new traction claim in the last 6 months (+2), funding news in the last year (+2), a batch in the last year (it is YC Summer 2023) (+1)
Autonomy
How much of the job does it do on its own? 15% of the score
6
Supervised agent: takes actions in other systems; a person approves key steps.
- +6
  Level 2 of 4: Supervised agentTakes actions in other systems; a person approves key steps.
What the model read
- Acts in other systems: 85% likely
- Finishes whole tasks: 18% likely
- Calls itself an agent: 4% likely
Level 2: Takes actions in other systems; a person approves key steps.

About Subsets

Subsets is the leading lifecycle growth platform for consumer subscription teams.

We are building the AI decisioning layer that unifies and powers the existing growth stack, enabling teams to automate and scale lifecycle experimentation, orchestrate personalized user journeys, and measure impact across retention, engagement, and LTV without engineering support.

Trusted by consumer subscription businesses like The Atlantic, NBCUniversal, Daily Mail, Matas Group, and Hearst.

Subsets has raised $6.1m and launched out of Y Combinator’s Summer 2023 batch in San Francisco, and is now based in Copenhagen.