OpenRouter Raises $113M Series B at $1.3B Valuation as AI Gateway Usage Jumps Fivefold
OpenRouter (founded 2023) raised $113M Series B led by CapitalG, announced May 2026, valuing it at ~$1.3B post-money—up from ~$547M a year earlier. It claims 8M users and ~100T tokens/month (~25T/week), fivefold from 5T/week six months ago.