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Startups14,448Programs29

14,448 startups · 29 programs

Paper Instruments

Active · Open-source frontier models for knowledge work

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 5
  • went through YCProgram · this site+4
  • team of 3Team size · YC's directory+3.1

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

Competitors

AIKailash LabsShared: post train, frontier model, openYC F26BengaluruStartup →AIGeneral Context LabsShared: frontier modelYC S26San FranciscoStartup →AIAutostepShared: knowledge workYC X26San FranciscoStartup →AIRaycasterShared: knowledge workYC F24New York CityStartup →AIRiverShared: knowledge workYC F26San FranciscoStartup →
Companies closest to Paper Instruments
Company
Kailash LabsShared: post train, frontier model, openYC F26ActiveAI, Data
General Context LabsShared: frontier modelYC S26ActiveAI
AutostepShared: knowledge workYC X26 +1ActiveAI
RaycasterShared: knowledge workYC F24ActiveAI, Data
RiverShared: knowledge workYC F26ActiveAI

Adjacent

OtherAmbitus AIShared: knowledge workNeoStartup →AIGuide LabsShared: frontier modelYC W24San FranciscoStartup →AIVulcan TechnologiesShared: knowledge work, frontierYC S25AustinStartup →AIHalluminateShared: knowledge workYC S25San FranciscoStartup →AIBaudShared: frontier model, trainYC S26San FranciscoStartup →
Companies next to Paper Instruments
Company
Ambitus AIShared: knowledge workNeo Not statedOther
Guide LabsShared: frontier modelYC W24ActiveAI, Devtools
Vulcan TechnologiesShared: knowledge work, frontierYC S25ActiveAI, Data
HalluminateShared: knowledge workYC S25 +1ActiveAI
BaudShared: frontier model, trainYC S26ActiveAI

Also from X25 in AI

All of X25
AIBesimple AIVoice data for AIYC X25San FranciscoStartup →AIKairosSpecialized AI for Critical IndustriesYC X25San FranciscoStartup →AImlopExperiment tracking for training ML modelsYC X25LondonStartup →AIAcoliteAI Native Commercial Insurance BrokerYC X25PhiladelphiaStartup →AIAdentrisReal-time AI Compliance & Revenue Integrity for Medical ProvidersYC X25San FranciscoStartup →AIAegisAI Agents to win denied health insurance claims.YC X25San FranciscoStartup →
Company
Besimple AIVoice data for AIteam of 8hiringActiveAI, Data
KairosSpecialized AI for Critical Industriesteam of 3ActiveAI, Devtools
mlopExperiment tracking for training ML modelsteam of 2ActiveAI, Devtools
AcoliteAI Native Commercial Insurance Brokerteam of 3ActiveAI
AdentrisReal-time AI Compliance & Revenue Integrity for Medical Providersteam of 5hiringActiveAI
AegisAI Agents to win denied health insurance claims.team of 3ActiveAI

Founders

  • Daanish KhaziFounder/CEO
  • Gavin BainsFounder
  • Joseph BesgenFounder

About Paper Instruments

Paper Instruments post-trains LLMs to accelerate knowledge work.

YC batch
X25 · Spring 2025
Status, per YC
Active
Category
AI
Team size
3
Location
San Francisco, CA, USA
Founded
2025
Checked
7h ago

YC tags: AIOps, Generative AI, AI

Paper Instruments in X25: 144 companies, 90% AI

LinkedIn

Paper Instruments: questions

Which YC batch was Paper Instruments in?

Paper Instruments was in Y Combinator's Spring 2025 batch (X25).

Is Paper Instruments still active?

Y Combinator lists Paper Instruments as active.

Who founded Paper Instruments?

Paper Instruments's founders, as listed on its YC page: Daanish Khazi (Founder/CEO), Gavin Bains (Founder), Joseph Besgen (Founder).

Where is Paper Instruments based?

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