Substrate

Artificial Intelligence for your medical billing team

1.7Score#826 of 999 agents#23 of 29 in Medical biller and coder

Why it ranks #826

Substrate, an AI medical biller and coder from YC S24, ranks #826 of 999 AI agents and #23 of 29 in Medical biller and coder, with a score of 1.7 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 2 × 25% 0.5
Autonomy 6 × 15% 0.9
= 1.7

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
2
Shows hiring.
- +2
  Hiring: 4 open rolesAgent Engineer (Senior), Forward Deployed Engineer (Senior), Harness EngineerYC 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 2024) (+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: 84% 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 Substrate

Substrate's AI agents automate the click-work & data entry in revenue cycle management. Our agents perform repetitive and time-consuming tasks on behalf of medical billers, significantly increasing efficiency and reducing errors.