OpenRouter more than doubles valuation to $1.3B in a year
In Brief
11:33 AM PDT · May 26, 2026
OpenRouter, the unified gateway and API for Large Language Models founded in 2023, has raised a hefty $113 million Series B led by CapitalG, the growth venture fund of Google parent company Alphabet. While the startup didn’t disclose its new valuation, The New York Times reports that it landed at about $1.3 billion post-money.
This is a hefty increase from the estimated $547 million post-money valuation it hit a year ago, per Pitchbook, after raising $40 million in Series A funding in June 2025. That round was led by Andreessen Horowitz and Menlo Ventures, with participation from Sequoia.
What a difference a year makes. Since then, AI work has shifted from training to inference to, now, agents. And OpenRouter’s AI gateway has soared in popularity in response. The gateway helps enterprises and other AI users select different models for different...
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