Weekly AI Startup Funding: October 5-11, 2025

Machine Learning Tech Brief By HackerNoon

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.
Check more stories related to machine-learning at: https://hackernoon.com/c/machine-learning. You can also check exclusive content about #ai, #vc-funding, #startups, #ai-startup-funding, #weekly-ai-startup-funding, #ai-funding-news-2025, #reflection-ai, #ai-reward-modeling, and more.
This story was written by: @aifundingtracker. Learn more about this writer by checking @aifundingtracker's about page, and for more stories, please visit hackernoon.com.
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.