OpenRouter
PrivateLast Round
Series B
May 26, 2026
Est. Valuation
$1.3B
Total Funding Raised
$153.5M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
OpenRouter is an artificial intelligence company that provides a unified API platform allowing developers and enterprises to access, route, and optimize across hundreds of large language models from various providers.
Sector
AI, Data & Cloud Infrastructure
Verticals
Platform-as-a-Service, NLP & Conversational AI, API Management, ML Platforms
Business Model
B2B
Customer Profile
Usage-Based SaaS, Freemium
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
OpenRouter Comparables
Compare OpenRouter with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Martian | 85% | |
| Deep Infra Inc. | 82% | |
| AI/ML API | 82% |
OpenRouter Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | May 26, 2026 | ||||
| Series A | Apr 1, 2025 | ||||
| Seed | Feb 1, 2025 |
OpenRouter Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Series A, Series B, Seed |
| Snowflake Ventures | Series B |
| NVentures | Series B |
| Sequoia Capital | Seed, Series A |
| MongoDB Ventures | Series B |
| ServiceNow Ventures | Series B |
| NVentures | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Grew 56% QoQ, from 64 to 100 employees.
- Jul 23, 2026
Grew 67% QoQ, from 51 to 85 employees.
OpenRouter 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 OpenRouter's valuation, stock price, and market status.
Is OpenRouter a public or private company?
OpenRouter is a private company.
What is the current stock price of OpenRouter?
OpenRouter is a private company, so its shares have no public market price. Caplight tracks OpenRouter's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is OpenRouter worth (valuation)?
OpenRouter's valuation is estimated at $1.3B based on funding round data.
Can I buy OpenRouter stock?
OpenRouter shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was OpenRouter's last funding round?
OpenRouter's most recent funding round was Series B on May 26, 2026.
Who are the main investors in OpenRouter?
Key investors in OpenRouter include Andreessen Horowitz, Menlo Ventures, CapitalG.
Will OpenRouter IPO soon?
No public IPO plans have been announced for OpenRouter.
How can I track OpenRouter secondary market activity?
Caplight tracks bids, offers, and trades in OpenRouter's shares on secondary markets.