OpenRouter Acquisition, Valuation, Funding & Investors

OpenRouter was acquired by Stripe for $7B in August 2026, a 50.0x multiple on $140M of revenue.

OpenRouter acquisition price

$7B

Acquired by Stripe · Aug 2026

OpenRouter revenue at acquisition

$140M

Last twelve months · Aug 2026

OpenRouter revenue multiple at acquisition

50.0x

EV/Revenue · Aug 2026

Cumulative funding OpenRouter raised

$153M

across 2 funding rounds

OpenRouter Overview

About OpenRouter

OpenRouter is a New York-based AI model gateway that gives developers and businesses one API and one contract for more than 400 large language models from over 80 providers, including OpenAI, Anthropic, Google and Mistral. It routes each request according to task complexity, price, speed and reliability, and handles unified billing, failover and usage accounting. Alex Atallah, a co-founder of OpenSea, and Louis Vichy founded the company in 2023. It reported more than one million developers in June 2025 and about 8 million users by mid-2026, with weekly volume of 25 trillion tokens in May 2026. It earns a fee of roughly 5 percent on inference spend, according to Sacra, and The Information reported annualised revenue of about $140 million in July 2026. Funding comprised $40 million of seed and Series A money in June 2025 at about $500 million and a $113 million Series B led by CapitalG at about $1.3 billion in May 2026. On 19 August 2026 Stripe agreed to acquire OpenRouter, with press reports putting the price above $7 billion.


Founded

2023

HQ

United StatesNew York City, NY

Status

Acquired

Customer focus

B2B

Revenue model

Usage-based, Subscription

Revenue

$140M (Aug 2026)

Valuation

$1.3B (May 2026)

OpenRouter Acquisition

OpenRouter was acquired by Stripe for $7B on 16 August 2026.

The acquisition price implies a 50.0x revenue multiple on $140M of revenue.

Before the acquisition OpenRouter had raised $153M across 2 funding rounds.

Stripe agreed to acquire OpenRouter, the AI model gateway, in a deal the two companies announced on 19 August 2026 without disclosing the price. Bloomberg reported a value above $7 billion and the New York Times reported $7.5 billion, compared with the $1.3 billion valuation of OpenRouter's Series B three months earlier. OpenRouter lets developers reach more than 400 models from over 80 providers through one API and routes requests by task complexity, price, speed and reliability; customers include NVIDIA, Zoom and Lovable. The Information reported annualised revenue of about $140 million as of late July 2026, roughly three times the April level, with a gross margin of around 70 percent. Stripe chief executive Patrick Collison said tokens are the central currency for companies building with AI, and the deal complements Stripe's Token Billing product and its January 2026 purchase of Metronome. OpenRouter was founded in 2023 by Alex Atallah and Louis Vichy and is based in New York.

OpenRouter acquisition details
AcquirerDateTypePriceEV/Revenue
16 Aug 2026Strategic M&A$7B50.0x

Sources: orrick.com, pymnts.com, pymnts.com

OpenRouter Valuation

OpenRouter is currently valued at $1.3B, based on its Series B in May 2026. Read the announcement ↗

The $113M round was led by CapitalG, with participation from Menlo Ventures, ServiceNow Ventures, NVentures, Snowflake Ventures, Andreessen Horowitz and 2 other investors.

OpenRouter's valuation has grown 2.6x from $500M at its Series A in June 2025 to $1.3B in May 2026, across 2 priced rounds.

OpenRouter valuation by funding round

OpenRouter valuation by funding round
DateStageValuation
May 2026Series B$1.3B
Jun 2025Series A$500M

OpenRouter Funding History

OpenRouter has raised a total of $153M across 2 funding rounds.

OpenRouter's first fundraising round was a $40M Series A in June 2025. The most recent completed round was a $113M Series B in May 2026.

OpenRouter funding rounds

OpenRouter funding rounds
DateStageInvestorsRaisedValuationDeal Summary
May 2026Series BCapitalG (lead); Menlo Ventures; ServiceNow Ventures; NVentures; Snowflake Ventures; Andreessen Horowitz; Databricks Ventures; MongoDB Ventures$113M$1.3BOpenRouter announced a $113 million Series B on 26 May 2026, led by CapitalG, Alphabet's independent growth fund, at a post-money valuation of about $1.3 billion. Andreessen Horowitz and Menlo Ventures, earlier backers, took part, as did the strategic investors NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures and Databricks Ventures. The valuation was more than double the roughly $547 million reported for the 2025 round a year earlier. OpenRouter said it was processing about 25 trillion tokens a week, five times the volume of six months earlier, across more than 400 models through a single API, and it served around 8 million users. The company was founded in 2023 by Alex Atallah and Louis Vichy and is based in New York. Revenue was not disclosed with the round, and Stripe agreed to acquire the company less than three months later.
Jun 2025Series AAndreessen Horowitz (lead); Menlo Ventures (lead); Sequoia Capital; Transpose Platform Management$40M$500MOpenRouter announced on 25 June 2025 that it had raised $40 million across seed and Series A financings, led by Andreessen Horowitz and Menlo Ventures with participation from Sequoia and industry angels. The financing was reported to value the company at about $500 million. OpenRouter, founded in 2023 by Alex Atallah and Louis Vichy, offers one API and one contract through which developers and enterprises reach more than 400 large language models from providers such as OpenAI, Anthropic, Google and Mistral, with failover, unified billing and usage accounting. Annualised inference spend running through the platform had grown from $10 million in October 2024 to more than $100 million by May 2025, and more than one million developers used it. The company said it would use the capital to accelerate product development, add new model types and strengthen enterprise support. Other coverage splits the total into a $12.5 million seed in February 2025 and a $28 million Series A in April 2025.

Who has invested in OpenRouter?

10 investors have backed OpenRouter across its funding rounds, including Andreessen Horowitz, Menlo Ventures, Sequoia Capital, CapitalG, Transpose Platform Management and NVentures.

Lead investors include CapitalG, Andreessen Horowitz and Menlo Ventures.


OpenRouter Investors

Investors in OpenRouter by funding rounds participated
InvestorHQRoundsRoleFirst check
Menlo VenturesUnited StatesMenlo Park, CA2LeadJun 2025
Andreessen HorowitzUnited StatesSan Francisco, CA2LeadJun 2025
ServiceNow VenturesUnited StatesSanta Clara, CA1ParticipantMay 2026
NVenturesUnited StatesSanta Clara, CA1ParticipantMay 2026
Snowflake VenturesUnited StatesMenlo Park, CA1ParticipantMay 2026
Databricks VenturesUnited StatesSan Francisco, CA1ParticipantMay 2026
CapitalGUnited StatesSan Francisco, CA1LeadMay 2026
Sequoia CapitalUnited StatesSan Francisco, CA1ParticipantJun 2025

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OpenRouter Competitors

OpenRouter competitors include listed companies like C3.ai and Nebius Group, and private ones like Baseten, Lovable, Nscale and Arena.

Public and private companies comparable to OpenRouter
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
BasetenUnited StatesSan Francisco, CAPrivate--$13B-
C3.aiUnited StatesUnited StatesPublicly listed$250M($484M)$1.9B5.3x
LovableSwedenStockholmPrivate$500M-$13B26.6x
NscaleUnited KingdomLondonPrivate--$15B-
ArenaUnited StatesSan Francisco, CAPrivate--$3.1B-
Nebius GroupUnited StatesUnited StatesPublicly listed$530M$512M$38B15.2x

OpenRouter Public Comps

OpenRouter is no longer listed, but its public comps include UiPath, Computacenter, Oracle Corp Japan, SenseTime Group, Box, Wangsu, Presight AI, IONOS Group, GitLab and Tenable.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
UiPath$1.6B$70M3.7x3.4x85.5x13.2x
Computacenter$12B$439M0.5x0.4x15.4x10.2x
Oracle Corp Japan$1.8B$581M4.3x4.2x13.5x13.0x
SenseTime Group$754M($71M)6.5x5.2x(68.7x)50.7x
Box$1.2B$124M5.6x5.2x52.7x16.7x
Wangsu$701M$139M6.3x5.7x31.7x28.4x
Presight AI$825M$214M6.0x4.9x23.0x19.1x
IONOS Group$1.5B$507M4.2x3.9x12.2x10.7x

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Common questions about OpenRouter

When was OpenRouter founded?OpenRouter was founded in 2023.
Where is OpenRouter headquartered?OpenRouter is headquartered in New York City, NY, United States.
Is OpenRouter publicly listed?No, OpenRouter was acquired by Stripe in August 2026.
Who acquired OpenRouter?OpenRouter was acquired by Stripe in August 2026.
How much was OpenRouter acquired for?OpenRouter was acquired for $7B in August 2026, a 50.0x revenue multiple.
What is OpenRouter's valuation?OpenRouter was last valued at $1.3B in its Series B in May 2026.
How much funding has OpenRouter raised?OpenRouter has raised $153M across 2 funding rounds.
What was OpenRouter's last funding round?OpenRouter's last funding round was a $113M Series B in May 2026, led by CapitalG.
Who are OpenRouter's investors?OpenRouter's investors include Menlo Ventures, Andreessen Horowitz, ServiceNow Ventures, NVentures, Snowflake Ventures, Databricks Ventures, CapitalG, Sequoia Capital, Transpose Platform Management and MongoDB Ventures.
Which companies are comparable to OpenRouter?Companies comparable to OpenRouter include Baseten, C3.ai, Lovable, Nscale, Arena and Nebius Group.

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