Fast growth at AI startups like Mercor and Replit is also boosting the fortunes of startups that help them balance their books.Rillet, which makes AI-powered accounting software it sells to other companies, said Tuesday it has raised $100 million in a funding round led by returning investor Iconiq, valuing Rillet at $1 billion. And rival Campfire has received offers to invest at a $1 billion valuation, according to a person with knowledge of the business. The three-year-old Campfire may take one of those offers but has yet to dip into the $65 million it raised in October 2025 from Accel, Ribbit Capital and others, the person added.
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