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14,448 startups · 29 programs

Agnost AI

Active · We find where AI agents fail, then train better models to run them.

WebsiteYC profile

Why it ranks

How the rank works
10signal of 100 · rising 10
  • went through YCProgram · this site+4
  • 2 programsMore than one program · this site+3
  • team of 2Team size · YC's directory+2.5

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

Competitors

AITraverseShared: custom model, machine learning, runYC W26San FranciscoStartup →AIThe Context CompanyShared: monitoring, analytics, thenYC F25San FranciscoStartup →AIEvident MachinesShared: then turn, analytics, findYC F26San FranciscoStartup →AIPaper InstrumentsShared: frontier model, trainYC X25San FranciscoStartup →AIFeynShared: custom model, then, trainYC X25San FranciscoStartup →
Companies closest to Agnost AI
Company
TraverseShared: custom model, machine learning, runYC W26ActiveAI
The Context CompanyShared: monitoring, analytics, thenYC F25ActiveAI, Data, Devtools
Evident MachinesShared: then turn, analytics, findYC F26ActiveAI
Paper InstrumentsShared: frontier model, trainYC X25ActiveAI
FeynShared: custom model, then, trainYC X25ActiveAI, Devtools

Adjacent

AIGeneral Context LabsShared: frontier model, userYC S26San FranciscoStartup →AIKailash LabsShared: frontier model, train, runYC F26BengaluruStartup →AIMinusXShared: analytics, machine learning, agentYC S24San FranciscoStartup →AIGuide LabsShared: frontier model, agent, dataYC W24San FranciscoStartup →AIOnDeck AIShared: machine learning, then, trainYC S25VancouverStartup →
Companies next to Agnost AI
Company
General Context LabsShared: frontier model, userYC S26ActiveAI
Kailash LabsShared: frontier model, train, runYC F26ActiveAI, Data
MinusXShared: analytics, machine learning, agentYC S24ActiveAI, Data
Guide LabsShared: frontier model, agent, dataYC W24ActiveAI, Devtools
OnDeck AIShared: machine learning, then, trainYC S25ActiveAI, Data

Also from S26 in AI

All of S26
AIAutoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsYC S26San FranciscoStartup →AIInactiveMentlioEngineering Intelligence and Token Optimization for the AI-Coding EraYC S26San FranciscoStartup →AITokenlessWe find flaws in RL environments and evals and help you fix them.YC S26San FranciscoStartup →AIArchalAPI sandboxes, built for AI agentsYC S26San FranciscoStartup →AIBelvedirAutonomous AI Model TrainingYC S26San FranciscoStartup →AICoArenaThe biggest crowdsourced benchmark for Computer-UseYC S26San FranciscoStartup →
Company
Autoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsteam of 3ActiveAI, Devtools
MentlioEngineering Intelligence and Token Optimization for the AI-Coding EraInactiveAI, Devtools
TokenlessWe find flaws in RL environments and evals and help you fix them.team of 3ActiveAI, Devtools
ArchalAPI sandboxes, built for AI agentsteam of 2ActiveAI, Devtools
BelvedirAutonomous AI Model Trainingteam of 2ActiveAI
CoArenaThe biggest crowdsourced benchmark for Computer-Useteam of 2ActiveAI, Data, Devtools

Founders

  • Shubham PalriwalaFounder/CEO
  • Parth AjmeraFounder/CTO

Programs

Programs Agnost AI went through
ProgramCohortSource
Y CombinatorS26YC Page
Entrepreneur First2025EF Page

About Agnost AI

Agnost AI reads every conversation a company's AI Agent has with its users to find where it's silently failing and then turns that same data into custom models that run the agent better, faster & cheaper than frontier models.

YC batch
S26 · Summer 2026
Status, per YC
Active
Category
AI, Data, Developer tools
Team size
2
Location
San Francisco, CA, USA
Founded
2025
Checked
13h ago

YC tags: Developer Tools, Machine Learning, Analytics, Monitoring, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Agnost AI in S26: 229 companies, 88% AI

LinkedIn

Agnost AI: questions

Which YC batch was Agnost AI in?

Agnost AI was in Y Combinator's Summer 2026 batch (S26).

Which accelerators did Agnost AI go through?

Agnost AI is listed by Y Combinator (S26), Entrepreneur First (2025).

Is Agnost AI still active?

Y Combinator lists Agnost AI as active.

Who founded Agnost AI?

Agnost AI's founders, as listed on its YC page: Shubham Palriwala (Founder/CEO), Parth Ajmera (Founder/CTO).

Where is Agnost AI based?

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