AI is now part of almost every freelance deliverable. A Fiverr survey of 3,500 freelancers, released in October 2025, found 76 percent use AI tools in their work (Fiverr survey, reported via StockTitan). But most freelance contracts were written before that shift, and they say nothing about it.
That silence is no longer harmless. It creates specific, nameable exposure — on who owns the work, on whether the work can be owned at all, on client data leaking into AI tools, and on who pays if an AI-assisted deliverable infringes someone's copyright. This is a practical, plain-language walkthrough of the AI clauses to add to your contract in 2026, and the law each one rests on. Treat the sample wording as a starting point to adapt, not as legal advice — copyright law is jurisdiction-specific, and the sections below describe US law unless noted.
Why your contract has to mention AI
The reason this is urgent and not theoretical is that the underlying law moved while contracts stood still.
In January 2025 the US Copyright Office released Part 2 of its report on copyright and artificial intelligence, concluding that US copyright law requires human authorship — and that AI outputs are protectable only "where a human author has determined sufficient expressive elements" (US Copyright Office, NewsNet on the Part 2 report). The Office was explicit that simply entering a prompt does not earn the user copyright in the output; "the mere provision of prompts" does not create authorship.
In March 2025 the US Court of Appeals for the D.C. Circuit affirmed, in *Thaler v. Perlmutter*, that a machine cannot be an author and that the Copyright Act requires a work to be authored "in the first instance by a human being" (). And in March 2026 the US Supreme Court declined to hear an appeal, leaving the human-authorship requirement standing as settled law ().