OpenRouter raised $40 million in combined seed and Series A funding, led by Andreessen Horowitz and Menlo Ventures. The funding will expand AI model access and routing tools, now valuing the company at $500 million.
Amount Raised
$40 Million
Round Type
Seed
New YorkSoftwareArtificial IntelligenceMachine LearningCloud Infrastructureinformation technology & servicesInvestors
Description
OpenRouter has secured $40 million in combined seed and Series A funding, aiming to unify AI model access across a fragmented ecosystem. The funding round was co-led by Andreessen Horowitz and Menlo Ventures, with participation from Sequoia. This capital will enhance the scalability, reliability, and privacy features of OpenRouter’s routing platform. Launched in 2023, OpenRouter aggregates access to various large language models, improving cost-efficiency and performance.
Quick answer
OpenRouter raised $40 Million in a Seed round, dated June 27, 2025. Investors: Sequoia Capital, Andreessen Horowitz and Menlo Ventures. OpenRouter is based in New York, New York, United States.
- How much did OpenRouter raise?
- OpenRouter raised $40 Million in a Seed round on June 27, 2025.
- Who invested in OpenRouter?
- Sequoia Capital, Andreessen Horowitz and Menlo Ventures are named as investors in this round.
- What does OpenRouter do?
- OpenRouter is an AI infrastructure startup that simplifies access to various AI models through a single API.
- Where is OpenRouter based and how big is it?
- OpenRouter is based in New York, New York, United States. Fundz records about 20 employees.
- Who are the decision-makers at OpenRouter?
- Fundz holds 2 contacts at OpenRouter, including the Head of Startups. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Cloud Infrastructure and information technology & services around the same time
Companies in the same sectors as OpenRouter that raised within 45 days of this round, from Fundz verified event records.
- BinSentry raised $50M (Series C) on August 11, 2025.
- Tami Software raised $400K (Pre-Seed) on August 11, 2025.
- August raised $7M (Seed) on August 9, 2025.
- Perle raised $9M (Seed) on August 7, 2025.
- Tracelight raised $3.6M (Seed) on August 6, 2025.
- Lorikeet raised $35M (Series A) on August 6, 2025.
Who to call at OpenRouter, and when
A new round usually means OpenRouter is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day OpenRouter raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at OpenRouter, from your own LinkedIn network
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Related People
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