Mediator is a collaborative document platform designed for drafting contracts, proposals, agreements, and other sensitive documents where participants require both shared editing and private workspace. Each user in a Mediator session works on a single live document with others, but also has access to a private AI assistant, personal notes, and file uploads that remain confidential from other participants. This approach addresses the need for collaborative writing where individual strategies, constraints, and draft language can be explored privately before being shared.
4 language model, enabling AI assistants to directly edit and rewrite document content in place, maintaining the user's voice. Users can instruct their private assistant to redraft paragraphs, weigh options, or explain changes made by others, with all such interactions remaining invisible to the rest of the group. The document itself is shared, and changes are attributed to specific users, with a running history that tracks edits and contributors. This setup eliminates the need for trading multiple document versions by email and ensures that only the shared document and its history are visible to all invited participants.
Mediator emphasizes privacy: private notes, assistant chats, and files are accessible only to the individual user, including protection from the document creator. None of the content—documents, notes, or assistant interactions—is used to train AI models. The platform is suitable for scenarios such as co-founder agreements, client proposals, contract revisions, parenting plans, and other sensitive internal drafts where confidentiality and individualized input are important.
Pricing is based on a pay-as-you-go model, with no subscriptions or seat-based charges. Editing the shared document is free, and users only spend credits when using their private AI assistant for tasks like redrafting or evaluating options. The document creator covers the AI usage for all invited participants, so guests do not need their own credits. ai LLC.
In the Async & threaded space, Mediator takes a focused approach. It focuses on facilitating collaborative document drafting with individualized AI assistance and privacy for each participant. Mediator is a B2B product aimed at teams drafting contracts, proposals, or agreements. Pricing is paid. It runs on the web.
Mediator first shipped in 2026. Among its 5 catalogued features are live document editing, Private AI assistant, and agreement tracking.
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