Weekly AI Startup Funding: October 5-11, 2025

This story was originally published on HackerNoon at: https://hackernoon.com/weekly-ai-startup-funding-october-5-11-2025.
AI startups raised over $4.1 billion this week, with watershed moments in open-source AI, legal technology, and energy infrastructure.
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Reflection AI raised $2 billion Series B at an $8 billion valuation. Base Power raised $1 billion to expand its distributed home battery network across the United States.