{"slug": "is-kimi-k3-free-to-use-commercially-the-license-decoded", "title": "Is Kimi K3 free to use commercially? The license, decoded", "summary": "Moonshot AI released Kimi K3, a 2.8-trillion-parameter model, under a license that resembles MIT but imposes commercial restrictions once a business exceeds $20 million in revenue. The weights became downloadable on July 27, 2026, after the API launch on July 16, and the model ranks No. 3 on the Artificial Analysis leaderboard behind Claude Fable 5 and GPT-5.6 Sol.", "body_md": "Member-only story\n\n# Kimi K3 License Explained: What it Actually Restricts\n\n## Kimi K3’s license reads like MIT until $20M in revenue. Here’s what Moonshot AI’s Kimi K3 license permits, restricts, and requires, clause by clause.\n\nA 2.8-trillion-parameter model became downloadable this week, for free, by anyone with a fast connection and about 1.4 terabytes of spare disk. That’s the headline. The more useful document is the one sitting next to the weights: the Kimi K3 License. For most of its length it reads like MIT. Then, about a third of the way in, it starts asking a question MIT never asks. How much money is your business making off this?\n\nThat question is worth answering before you build on Kimi K3, whether that’s a weekend project, a startup’s core product, or one feature inside something bigger. Below is what the license actually permits, what it restricts, who it restricts, and where the real ambiguity sits.\n\n## Quick context on what Kimi K3 is\n\nMoonshot AI, the Beijing-based lab backed by Alibaba, released Kimi K3 through its own API on July 16, 2026. The full weights followed on July 27. Kimi K3 debuted at №3 on the Artificial Analysis leaderboard, behind Claude Fable 5 and GPT-5.6 Sol, but it beat both on Arena.ai’s front-end web…", "url": "https://wpnews.pro/news/is-kimi-k3-free-to-use-commercially-the-license-decoded", "canonical_source": "https://pub.towardsai.net/is-kimi-k3-free-to-use-commercially-the-license-decoded-204896e1ecd5?source=rss----98111c9905da---4", "published_at": "2026-07-28 13:31:01+00:00", "updated_at": "2026-07-28 13:43:56.605249+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-policy", "ai-products"], "entities": ["Moonshot AI", "Kimi K3", "Alibaba", "Claude Fable 5", "GPT-5.6 Sol", "Artificial Analysis", "Arena.ai"], "alternates": {"html": "https://wpnews.pro/news/is-kimi-k3-free-to-use-commercially-the-license-decoded", "markdown": "https://wpnews.pro/news/is-kimi-k3-free-to-use-commercially-the-license-decoded.md", "text": "https://wpnews.pro/news/is-kimi-k3-free-to-use-commercially-the-license-decoded.txt", "jsonld": "https://wpnews.pro/news/is-kimi-k3-free-to-use-commercially-the-license-decoded.jsonld"}}