Paper Instruments
YC X25 · Active · Open-source frontier models for knowledge work
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 mlopShared: open source, aiops, modelActiveAI, Devtools | AI, Devtools | Active | YCX25 |
 AutostepShared: knowledge workActiveAI | AI | Active | YCX26 |
 Kailash LabsShared: frontier model, post train, openActiveAI, Data | AI, Data | Active | YCF26 |
 VocodeShared: open sourceAcquiredAI, Devtools | AI, Devtools | Acquired | YCW23 |
 HalluminateShared: knowledge work, model, trainActiveAI | AI | Active | YCS25 |
 Together AInot in a program hereShared: open source, modelElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 Grep AIShared: knowledge workActiveAI | AI | Active | YCF26 |
 BinpressShared: open sourceNot statedDevtools | Devtools | Not stated | 500 GlobalGA 6 |
 Vulcan TechnologiesShared: knowledge work, frontierActiveAI, Data | AI, Data | Active | YCS25 |
 DAGWorks Inc.Shared: open source, aiopsAcquiredAI, Devtools | AI, Devtools | Acquired | YCW23 |
 Cashew LabsShared: post train, open source, llmsActiveAI, Devtools | AI, Devtools | Active | YCX25 |
Also from X25 in AI
All of X25| Company | Category | Status |
|---|---|---|
 Besimple AIVoice data for AIActiveAI, Data | AI, Data | Active |
 KairosSpecialized AI for Critical IndustriesActiveAI, Devtools | AI, Devtools | Active |
 AcoliteAI Native Commercial Insurance BrokerActiveAI | AI | Active |
 AdentrisReal-time AI Compliance & Revenue Integrity for Medical ProvidersActiveAI | AI | Active |
 AegisAI Agents to win denied health insurance claims.ActiveAI | AI | Active |
 AirweaveThe open-source context retrieval layer for agentsActiveAI, Devtools | AI, Devtools | Active |
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
- 33m ago
YC tags: AIOps, Generative AI, AI
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.
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.