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Startups & Venture·August 6, 2026·1 min read

A startup that places ads for brands like Best Buy and Target in AI platforms raised $30.5 million

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A $30.5M raise for Gravity to place ads inside ChatGPT, Codebuff, Magneta, and Runnable—and to explore agent-to-agent ads—confirms assistants are becoming ad inventory and commerce rails. If you're building on top of these platforms, plan for your UX and economics to be shaped by an emerging ad stack, not just API pricing.