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OpenRouter

OpenRouter is an AI model exchange that routes inference requests across hundreds of large language models and providers[3]. The platform released an MCP server that gives coding agents live access to its model catalog, benchmarks, pricing, documentation and test inference so agents can pick models from current data[2]. OpenRouter also launched an updated Auto router that selects models using cross-domain benchmarks and real aggregate spending patterns on its platform, adapting automatically as community preferences shift[1].

Funding

  • Series B, $113MMay 27, 2026

    with CapitalG, NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, Andreessen Horowitz, Menlo Ventures

  • Series A, $40M

    with Andreessen Horowitz, Menlo Ventures, Sequoia Capital, Transpose Platform Management

Key people

Alumni

In the news

Recent developments

  • OpenRouter launches new market-driven Auto Router. OpenRouter released an updated Auto router that selects models using cross-domain benchmarks and real aggregate spending patterns on its platform, adapting automatically as community preferences shift.[1]Aug 10, 2026
  • OpenRouter released an updated Auto router that selects models using cross-domain benchmarks and real aggregate spending patterns on its platform, adapting automatically as community preferences shift.[2]Aug 10, 2026
  • OpenRouter launches its MCP server. OpenRouter released an MCP server that gives coding agents live access to its model catalog, benchmarks, pricing, documentation and test inference so agents can pick models from current data.[3]Jun 25, 2026
  • OpenRouter released an MCP server that gives coding agents live access to its model catalog, benchmarks, pricing, documentation and test inference so agents can pick models from current data.[4]Jun 25, 2026

Funding history

  • OpenRouter raised a $113M Series B led by CapitalG with NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, Andreessen Horowitz and Menlo Ventures participating, bringing total reported equity funding to $153M. Founded in 2023 by Alex Atallah and Louis Vichy.[6]May 27, 2026

Traction

  • OpenRouter reports processing more than 200 trillion tokens per month across 400+ active models from 70+ providers, with over 10 million global users and more than 250,000 apps built on the platform.[11]

Product

  • OpenRouter builds a unified API that aggregates large language models from many providers behind one interface compatible with the OpenAI SDK, adding distributed infrastructure with automatic fallback when a provider goes down, edge-based inference for lower latency, data policy controls that restrict prompts to approved models and providers, and team spend controls with per-key limits.[12]

Backers

  • Andreessen Horowitz

    Venture capital firm investing across technology sectors with a dedicated AI practice

  • CapitalG

    Alphabet independent growth fund investing $50-200 million in growth-stage technology companies across enterprise infrastructure, fintech and consumer.

  • FDatabricks Ventures
  • Menlo Ventures

    Early-stage venture capital firm founded in 1976 investing in AI, healthcare, consumer, cybersecurity, fintech, infrastructure, robotics and SaaS, with $3 billion in new capital earmarked for AI startups.

  • FMongoDB Ventures
  • NVentures

    NVIDIA venture capital arm, investing in technology visionaries across robotics and edge AI, AI factories and infrastructure, and scientific computing, with portfolio companies including Skild AI, Emerald AI and Contextual AI.

  • Sequoia Capital

    Venture capital firm backing founders across AI, healthcare, retail and other sectors from early stage through growth.

  • FServiceNow Ventures
  • FSnowflake Ventures
  • FTranspose Platform Management

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