Top accelerator startups

14,448 startups · 29 programs

Nuntius

Inactive · Making Models Follow Rules.

2signal of 100 · rising 1
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5

A sum of public facts, not a judgement and not investment advice.

Competitors

Adjacent

Also from S25 in AI

All of S25

About Nuntius

Applying artificial intelligence to economically productive use-cases requires bulletproof alignment. We’re solving that.

YC batch
S25 · Summer 2025
Status, per YC
Inactive
Category
AI, Developer tools
Team size
2
Location
San Francisco, CA, USA
Founded
2025
Checked
6h ago

YC tags: Reinforcement Learning, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Nuntius in S25: 166 companies, 92% AI

LinkedIn

Nuntius: questions

Which YC batch was Nuntius in?

Nuntius was in Y Combinator's Summer 2025 batch (S25).

Is Nuntius still active?

Y Combinator lists Nuntius as inactive.

Where is Nuntius based?

Nuntius lists San Francisco, CA, USA as its location on YC's directory.