ClauseShift vs ThoughtRiver

ClauseShift is a cloud-based tool for reviewing contracts. It extracts clauses, identifies risks, and compares terms. It is available on Android, web, and Windows. The free plan includes 3 reviews per month and 3 questions per day. Lite costs $9 a month, with 10 reviews per month and 20 questions per day; monthly or annual billing is available, and annual billing saves two months. Pro costs $29 a month and includes unlimited reviews and 100 questions per day, also with monthly or annual billing and two months saved annually. For occasional reviews, Pay as you go costs $1.50, with no subscription and a two-model cross-check. Packs of 5, 25, or 50 reviews reduce the per-review price to $0.50. The service is delivered in the cloud, so its listed platform options are Android, web, and Windows.

ThoughtRiver is an AI contract review tool for agreements reviewed before or after signing. Its Lexible LLM flags issues, obligations, and risks, while Playbooks check contracts against preset criteria and show which provisions are met or unmet. Teams can generate review output or redlines, and generative editing is designed to follow drafting style and negotiation guidelines. Contracts can be submitted by email, drag and drop, or the Word add-in; the platform works inside Outlook, Word, and Teams. Listed integrations include Microsoft 365, Power BI, HighQ, and iManage, and ThoughtRiver provides a public API following the OpenAPI Specification. It focuses on in-house teams and law firms processing over 200 agreements per year, while also supporting non-legal teams. ThoughtRiver lists no free plan and a 28-day trial. Monthly plans are 6.00 USD, 14.00 USD, and $49 a month; Professional starts at £15,000 a year and Enterprise at £30,000 a year.