OpenBuilder
PrivateLast Round
Seed
Apr 9, 2026
Est. Valuation
$1.79M
Total Funding Raised
$3.2M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
OpenBuilder operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Seed round in April 2026.
OpenBuilder is an artificial intelligence company that provides an open-source platform where non-technical builders can build full-stack applications.
Sector
AI, Data & Cloud Infrastructure
Verticals
Low-Code/No-Code, NLP & Conversational AI, Workflow Automation
Business Model
B2C
Customer Profile
Services & Consulting, Freemium
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
OpenBuilder Comparables
Compare OpenBuilder with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Vitara.ai | 78% | |
| Meku | 76% | |
| Pythagora | 73% |
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OpenBuilder Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Apr 9, 2026 | ||||
| Pre Seed | Dec 3, 2025 | ||||
| Accelerator | Sep 1, 2025 |
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OpenBuilder Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Founder Factor | Seed |
| Y Combinator | Pre Seed, Accelerator |
| focal | Seed |
| Pascal Capital | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 9, 2026
$2.2M round led by focal
- Feb 23, 2026
Grew 150% QoQ from 2 to 5 employees.
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OpenBuilder 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.
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Frequently Asked Questions
Common questions about OpenBuilder's valuation, stock price, and market status.
Is OpenBuilder a public or private company?
OpenBuilder is a private company.
What is the current stock price of OpenBuilder?
OpenBuilder is a private company, so its shares have no public market price. Caplight tracks OpenBuilder's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is OpenBuilder worth (valuation)?
OpenBuilder's valuation is estimated at $1.8M based on funding round data.
Can I buy OpenBuilder stock?
OpenBuilder shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was OpenBuilder's last funding round?
OpenBuilder's most recent funding round was Seed on April 9, 2026.
Who are the main investors in OpenBuilder?
Key investors in OpenBuilder include Y Combinator, focal.
Will OpenBuilder IPO soon?
No public IPO plans have been announced for OpenBuilder.
How can I track OpenBuilder secondary market activity?
Caplight tracks bids, offers, and trades in OpenBuilder's shares on secondary markets.