OpenRouter is an LLM marketplace and unified API platform that provides access to hundreds of AI models through a single interface. OpenRouter's Twitter Score is 206 out of 1000 (an Excellent rating) as of October 2026, ranking #2,203 (top 0.5%) among 493,668 tracked accounts.
OpenRouter was co-founded by Alex Atallah and Louis Vichy, with Atallah serving as chief executive. The platform started in early 2023 as the first LLM marketplace and has since grown into what it describes as the largest and most popular AI gateway, reporting 100 trillion monthly tokens and more than 10 million global users across 70-plus providers and 400-plus models. Prior to OpenRouter, Alex Atallah previously co-founded OpenSea.
OpenRouter has attracted significant venture backing. Per The Wall Street Journal, early seed and Series A rounds led by Andreessen Horowitz and Menlo Ventures raised $40 million and valued the company at around $500 million. According to Business Insider, in late May 2026 OpenRouter announced a further $113 million raise, valuing it at $1.3 billion. Additional backers include CapitalG and Sequoia Capital. OpenRouter has 152,053 followers as of October 2026 and 5,697 posts on the platform, and has been mentioned by 661 accounts a total of 1,183 times.
Who follows OpenRouter on X?
The accounts that follow OpenRouter include 973 founders, 246 angel investors, 322 influencers and 7 VCs, among them jesse.base.eth, Marc Andreessen, Erik Voorhees, Laura Shin, Stani and 6529.