Rubric AI
YC W26 · Active · Reasoning and verification infra for AI
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 DataRights AIShared: expert judgment, reasoningNot statedAI | AI | Not stated | Plug and Play |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 CheersShared: training signalActiveAI, Data | AI, Data | Active | YCS24 |
Also from W26 in AI
All of W26| Company | Category | Status |
|---|---|---|
 /dev/fast/dev/fast is the AI-native code forgeActiveAI, Devtools | AI, Devtools | Active |
 10x ScienceThe AI-native platform for next-generation protein characterization.ActiveAI | AI | Active |
 21stUI building blocks for the agentic internetActiveAI, Devtools | AI, Devtools | Active |
 AemonThe Forward-Deployed AI Research EngineerActiveAI, Devtools | AI, Devtools | Active |
 Agentic FabriqThe control plane for AI agents.ActiveAI | AI | Active |
 Alt-XBuilding the best venue for private markets exposure.ActiveAI, Data | AI, Data | Active |
Founders
- Pragya SabooFounder/CEO
About Rubric AI
Rubric AI (backed by Y Combinator) is the reasoning and verification infrastructure for AI. We're building the human and computational layer that turns expert judgment into training signals for the world's most consequential AI systems.
- YC batch
- W26 · Winter 2026
- Status, per YC
- Active
- Category
- AI
- Team size
- 1
- Location
- New York City, NY, USA
- Founded
- 2025
- Checked
- 35m ago
Rubric AI: questions
Which YC batch was Rubric AI in?
Rubric AI was in Y Combinator's Winter 2026 batch (W26).
Is Rubric AI still active?
Y Combinator lists Rubric AI as active.
Who founded Rubric AI?
Rubric AI's founders, as listed on its YC page: Pragya Saboo (Founder/CEO).
Where is Rubric AI based?
Rubric AI lists New York City, NY, USA as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.