Langbase
PrivateLast Round
Seed
Mar 4, 2026
Est. Valuation
$4.3M
Total Funding Raised
$5.55M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Langbase is a software development company that provides a serverless, composable AI infrastructure platform for building, deploying, and scaling AI agents.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, NLP & Conversational AI, API Management, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Langbase Comparables
Compare Langbase with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| PromptLayer | 88% | |
| Orq.ai | 84% | |
| Agenta | 83% |
Langbase Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Mar 4, 2026 | ||||
| Pre Seed | Sep 1, 2024 |
Langbase Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Preston-Werner Ventures | Seed |
| Banyan Ventures | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 4, 2026
$5M round led by Preston-Werner Ventures
- Jul 6, 2025
Monthly visitors increased 61% MoM, reaching 46.7K.
Langbase 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.
Request accessFrequently Asked Questions
Common questions about Langbase's valuation, stock price, and market status.
Is Langbase a public or private company?
Langbase is a private company.
What is the current stock price of Langbase?
Langbase is a private company with no public stock price. Caplight tracks Langbase's secondary market activity and provides MarketPrice estimates to Caplight users.
How much is Langbase worth (valuation)?
Langbase's valuation is estimated at $4.3M based on funding round data.
Can I buy Langbase stock?
Langbase shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Langbase's last funding round?
Langbase's most recent funding round was Seed on September 1, 2024.
Who are the main investors in Langbase?
Key investors in Langbase include Preston-Werner Ventures.
Will Langbase IPO soon?
No public IPO plans have been announced for Langbase.
How can I track Langbase secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Langbase's secondary market activity and sign up for updates.