Founded in 2023 by Alex Atallah and Louis Vichy, OpenRouter provides a single, standards-compatible API that lets developers and enterprises tap into 400+ LLMs from OpenAI, Anthropic, Google, Mistral and more-without rewriting code or renegotiating contracts. OpenRouter's rankings and LLM leaderboards are available publicly and are a key source of industry data and trends. With edge-global infrastructure, privacy-first design, real-time accounting, and unified billing, OpenRouter is the emerging standard for AI inference at scale.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 06/25/25 | $40,000,000 | Seed and Series A |
Andreessen Horowitz Menlo Ventures Sequoia Capital | undisclosed |
