Sei AI

AI Operations Partner for Mortgage & Banking

4.6Score#105 of 999 agents#2 of 7 in Loan officer

Why it ranks #105

Sei AI, an AI loan officer from YC W22, ranks #105 of 999 AI agents and #2 of 7 in Loan officer, with a score of 4.6 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 8 × 30% 2.4
Scale 0 × 30% 0.0
Momentum 5 × 25% 1.3
Autonomy 6 × 15% 0.9
= 4.6

Proof
Do customers use it? 30% of the score
8
Claims revenue or growth, a customer result and a customer count.
- +4
  Revenue or growth
  “In 5 months, we've grown our contracted ARR 10x.”
  Launch YC post · 5 Jun 2026
- +2
  A customer result
  “This reduces back-and-forth with borrowers, clear-to-close, and touchpoints by teams.”
  Launch YC post · 5 Jun 2026 · 2 claims
- +2
  A customer count
  “We’re already working with banks & top 25 IMBs.”
  Launch YC post · 5 Jun 2026
Not found: named customers (+3), work done at scale (+2)
Scale
Is there a real company behind it? 30% of the score
0
Team size and funding not listed.
Not found: funding round in its news (+3)
Momentum
Is it shipping and growing now? 25% of the score
5
Shows a recent launch and a new claim.
- +3
  Launched in the last 6 monthsSei AI - Operations Partner for Mortgage Lenders & ServicersLaunch YC post · 5 Jun 2026
- +2
  A new traction claim
  “We’re already working with banks & top 25 IMBs.”
  Launch YC post · 5 Jun 2026
Not found: open roles on YC (+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: 77% likely
- Finishes whole tasks: 20% likely
- Calls itself an agent: 96% likely
Level 2: Takes actions in other systems; a person approves key steps.