Sero

Intelligent Customer Implementation Platform for B2B

2.0Score#724 of 999 agents#6 of 10 in Account manager

Why it ranks #724

Sero, an AI account manager from YC W22, ranks #724 of 999 AI agents and #6 of 10 in Account manager, with a score of 2.0 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 0 × 30% 0.0
Scale 1 × 30% 0.3
Momentum 3 × 25% 0.8
Autonomy 6 × 15% 0.9
= 2.0

Proof
Do customers use it? 30% of the score
0
No public claims of customers or revenue yet.
Not found: revenue or growth (+4), named customers (+3), a customer result (+2), a customer count (+2), work done at scale (+2)
Scale
Is there a real company behind it? 30% of the score
1
2 people.
- +1
  2 people on its YC page2 people
Not found: funding round in its news (+3)
Momentum
Is it shipping and growing now? 25% of the score
3
Shows a recent launch.
- +3
  Launched in the last 6 monthsSero - Intelligent Customer Implementation Platform for B2BLaunch YC post · 8 Apr 2026
Not found: open roles on YC (+2), 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 Winter 2022) (+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: 75% likely
- Finishes whole tasks: 24% likely
- Calls itself an agent: 98% likely
Level 2: Takes actions in other systems; a person approves key steps.

About Sero

We help onboarding, implementation and professional services teams at B2B companies onboard customers faster, more consistently and more efficiently with AI agents.