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OpenRouter

OpenRouter

Private
New York City, New YorkAI, Data & Cloud Infrastructurehttps://openrouter.ai/

Last 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

unified APILLM APImodel routerAI model aggregatorLLM gatewayAI infrastructurelarge language modelsLLMmodel inferenceusage-based billingdeveloper toolsAI model playgroundmodel fusionLLM orchestrationmodel agnostic

Historical Pricing

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Caplight Momentum Score

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OpenRouter Comps

Public and private peers based on sector, stage, and business model.

OpenRouter comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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OpenRouter Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BMay 26, 2026
Series AApr 1, 2025
SeedFeb 1, 2025

Key People

Founding team and executive leadership

Alex Atallah

CEO, Co-Founder

Founding Team

OpenRouter Investors

Notable investors and investment history

OpenRouter investors
InvestorRounds
Andreessen HorowitzSeries A, Series B, Seed
Snowflake VenturesSeries B
NVenturesSeries B
Sequoia CapitalSeed, Series A
MongoDB VenturesSeries B
ServiceNow VenturesSeries B
NVenturesSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 6, 2026

    Open job postings surged from 0 to 13 roles, representing 25% of headcount.

  • May 26, 2026

    $113M round led by CapitalG.

OpenRouter Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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OpenRouter Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about OpenRouter's valuation, stock price, and market status.

Firmographic Details

HeadquartersNew York City, New York
Employee Range72
Year Founded2023
Last FundingMay 26, 2026

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