# OpenRouter funding: rounds and investors > OpenRouter has raised $153M across 2 rounds since 2025. Investors include Andreessen Horowitz, Menlo Ventures and Sequoia Capital. Every round with its source. Source: https://millionrounds.com/company/openrouter (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *OpenRouter* 2 rounds we have observed, with the 11 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI IT Services Software Raised 5 months ago [Featured in October 2026](https://millionrounds.com/featured/2026-10) Follow OpenRouter and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fopenrouter) Funding summary Updated 5 Nov 2026 **$153M** raised across 2 rounds since 2025, from 7 sources **$40M** Series A **$113M** Series B - **Latest round:** Series B, $113M May 2026 - **Led by:** CapitalG - **Step-up i:** 2.8× - **Investors:** 11 (3 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$40M** Series A **$113M** Series B - **First round:** Series A, $40M - **Biggest round:** $113M - **Between rounds:** 11 months ## The rounds - **May 2026** Series B **$113M** *6 new* *4 returning* [CapitalG](https://millionrounds.com/fund/capitalg) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [nVentures](https://millionrounds.com/fund/nventures-2) [Transpose Platform Management](https://millionrounds.com/fund/transpose-platform-management) [ServiceNow](https://millionrounds.com/fund/servicenow) [Databricks](https://millionrounds.com/fund/databricks) [Snowflake Ventures](https://millionrounds.com/fund/snowflake-startup-challenge) [MongoDB Ventures](https://millionrounds.com/fund/mongodb-ventures) Reported by TechCrunch and 3 others SEC filing: $113M sold - **Jul 2025** Series A **$40M** *5 new* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) Lead [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Soma Capital](https://millionrounds.com/fund/soma-capital) [Transpose Platform Management](https://millionrounds.com/fund/transpose-platform-management) Reported by TechStartups and 2 others SEC filing: $30M sold, first sale May 2025 ## Funding filed with regulators OpenRouter filed 2 raises, $143M in all. Filings say how much was sold and to how many investors; they never name the investors. - Jul 2026 **$113M** 20 investors of $117M offered SEC Form D - May 2025 **$30M** 30 investors of $48M offered SEC Form D ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2025 **Series B** 2026 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) L [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) L [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Transpose Platform Management](https://millionrounds.com/fund/transpose-platform-management) [CapitalG](https://millionrounds.com/fund/capitalg) L [Soma Capital](https://millionrounds.com/fund/soma-capital) [nVentures](https://millionrounds.com/fund/nventures-2) [ServiceNow](https://millionrounds.com/fund/servicenow) [Databricks](https://millionrounds.com/fund/databricks) [Snowflake Ventures](https://millionrounds.com/fund/snowflake-startup-challenge) ## Everyone who backed them [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **2** rounds, led 1 [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) VC firm **2** rounds, led 1 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **2** rounds [Transpose Platform Management](https://millionrounds.com/fund/transpose-platform-management) VC firm **2** rounds [CapitalG](https://millionrounds.com/fund/capitalg) Corporate VC **1** round, led 1 [Soma Capital](https://millionrounds.com/fund/soma-capital) VC firm **1** round [nVentures](https://millionrounds.com/fund/nventures-2) VC firm **1** round [ServiceNow](https://millionrounds.com/fund/servicenow) Corporate VC **1** round [Databricks](https://millionrounds.com/fund/databricks) Corporate VC **1** round [Snowflake Ventures](https://millionrounds.com/fund/snowflake-startup-challenge) Corporate VC **1** round [MongoDB Ventures](https://millionrounds.com/fund/mongodb-ventures) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=openrouter). ## Quick answers about OpenRouter ### Who invested in OpenRouter? OpenRouter's investors include Andreessen Horowitz, Menlo Ventures, Sequoia Capital, Transpose Platform Management and CapitalG, and 6 more on record. CapitalG led its latest round. ### How much has OpenRouter raised? OpenRouter has raised $153M across 2 rounds since 2025. ### When did OpenRouter last raise? OpenRouter's most recent round was a Series B of $113M in May 2026, led by CapitalG. ### What was OpenRouter's biggest round? Its most recent round, $113M in May 2026, is also its largest on record. ### Who backed OpenRouter first? OpenRouter's first round on record, in Jul 2025, was backed by Andreessen Horowitz, Menlo Ventures and Sequoia Capital and 2 others. ### What stage is OpenRouter at? OpenRouter's latest named round is a Series B, in May 2026. ### Where is OpenRouter based? OpenRouter is based in the United States. ### Who led OpenRouter's rounds? Andreessen Horowitz led the Series A in 2025; CapitalG led the Series B in 2026. ## Companies like OpenRouter In the same sector, and raised in the last eighteen months. [**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app