Paper Instruments
PrivateCompany Overview
Paper Instruments operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. It was founded in 2025.
Paper Instruments is an artificial intelligence company that develops open-source frontier models and post-training infrastructure to accelerate knowledge work.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, AI Training Infrastructure, NLP & Conversational AI
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Paper Instruments Comparables
Compare Paper Instruments with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Confident AI | 90% | |
| Maxim AI | 86% | |
| HoneyHive | 81% |
For institutional investors. Book with your work email.
Paper Instruments Funding Rounds
Historical fundraising activity
Key People
Founding team and executive leadership
For institutional investors. Book with your work email.
Market signals
Structured signals derived from secondary market and firmographic data.
- Dec 24, 2025
Grew 100% QoQ from 4 to 8 employees.
- Oct 21, 2025
Grew 100% QoQ from 4 to 8 employees.
For institutional investors. Book with your work email.
Recent news
Latest coverage and updates
- launchesOct 14, 2026
Paper Instruments unveils Ultramarine 1 Flash, a cost-efficient AI model for professional knowledge work that delivers client-ready output through the Ultramarine API on Oct 17th '26.
- launchesSep 23, 2026
On Sep 23rd '26, Paper Instruments releases Paper Office, a suite of Python packages that helps agents manipulate Word, PowerPoint, and Excel files with greater safety, correctness, and breadth.
For institutional investors. Book with your work email.
Paper Instruments Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Book a demoFor institutional investors. Book with your work email.
Frequently Asked Questions
Common questions about Paper Instruments's valuation, stock price, and market status.
Is Paper Instruments a public or private company?
Paper Instruments is a private company.
What is the current stock price of Paper Instruments?
Paper Instruments is a private company, so its shares have no public market price. Caplight tracks Paper Instruments's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Paper Instruments worth (valuation)?
Valuation information for Paper Instruments is not publicly available.
Can I buy Paper Instruments stock?
Paper Instruments shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Paper Instruments's last funding round?
Funding round information for Paper Instruments is not publicly available.
Who are the main investors in Paper Instruments?
Investor information for Paper Instruments is not publicly disclosed.
Will Paper Instruments IPO soon?
No public IPO plans have been announced for Paper Instruments.
How can I track Paper Instruments secondary market activity?
Caplight tracks bids, offers, and trades in Paper Instruments's shares on secondary markets.