Legal: AI tools compared (7)

What legal tools are for

AI legal tools help you search legal material, review documents and prepare working drafts. They are relevant to lawyers, legal teams and organisations handling contracts or case files, depending on each product’s scope. Some focus on clauses, while others support research or specialised document preparation. Before using an assistant, you might read through an agreement to find wording that differs from your internal rules. With a configured tool, you can review flagged passages and check each issue against the original document. fynk checks clauses against internal rules and extracts dates. Spellbook identifies potentially risky clauses and proposes tracked changes. Doctrine supports searches for legal decisions and texts. The resulting output can guide a review or drafting task. Its value depends on checking the underlying material, the applicable jurisdiction and the circumstances of the matter you are working on.

Example uses:

• Identify contract clauses that differ from your internal rules so you can prepare a focused legal review.
• Extract dates mentioned in a document, then verify their meaning before using them to organise deadline tracking.
• Prepare a clause from specific instructions and check how it fits with the rest of the agreement.
• Find decisions and legal texts relevant to a matter, then read their contents and surrounding legal context.
• Compare proposed wording with the original agreement while keeping a clear record of the changes under review.

Our picks by need

These picks follow simple rules applied to the verified data, with no partnership or affiliate link:

• Best scored : fynk. 68/100 on our access and transparency grid.
• Cheapest paid option : ScoreDetect. First plan at $11.31 per month.

The main tools at a glance

fynk 68/100

fynk lets teams managing contracts prepare documents from templates and check their clauses. It extracts dates and amounts, organizes approvals and signatures, and tracks contractual deadlines. Features: Prepare contracts from templates; Extract dates and amounts from documents; Check clauses against internal rules. Entry price: €19 per month, with a free tier. Runs on: web browser and API. Data hosting: European Union.

ScoreDetect 53/100

ScoreDetect calculates a content fingerprint and timestamps it on a blockchain for people who want to verify content integrity. It creates verification certificates that can be exported as PDFs. Features: Calculate a digital fingerprint of content; Timestamp a fingerprint on a blockchain; Create a verification certificate. Entry price: $11.31 per month. Runs on: web browser and API.

Doctrine 50/100

Doctrine helps people working on legal matters research decisions and legal texts, analyze case documents and prepare legal notes. It also identifies contractual risks and simulates consequences of employment contract termination. Features: Search for decisions and legal texts; Analyze case documents; Prepare legal notes. Free tier available. Runs on: web browser. Data hosting: European Union.

PatentPal 48/100

PatentPal helps people drafting patents prepare descriptions from claims. It also creates flowcharts and technical diagrams, writes descriptions of figures, and customizes the wording used in documents. Features: Prepare a patent description from claims; Create flowcharts and technical diagrams; Write descriptions of figures. Free tier available. Runs on: web browser. Data hosting: United States.

Spellbook 40/100

Spellbook lets teams reviewing contracts identify risky clauses and suggest tracked changes. It also supports drafting clauses and agreements, comparing multiple documents, and applying a team's review rules. Features: Identify risky clauses in a contract; Suggest edits with tracked changes; Draft clauses and agreements. Runs on: web browser, Windows, macOS, and browser extension. Data hosting: Several regions.

DoNotPay 38/100

DoNotPay helps consumers prepare complaints, cancel subscriptions, and request refunds. It also assists people with administrative procedures and disputes through its web, iOS, and macOS platforms. Features: Prepare consumer complaints; Help cancel subscriptions; Request refunds. Runs on: web browser, iPhone and iPad, and macOS. Data hosting: United States.

Harvey 30/100

Harvey helps people working on legal matters research information and review contracts and case files. It also supports Word document drafting, comparisons across documents, and tracking regulatory developments. Features: Research legal information; Review contracts and case files; Draft and edit Word documents. Runs on: web browser. Data hosting: Several regions.

The category in figures

Of the 7 tools in the category, 3 (43%) offer a free tier, 29% have a public API and 2 have a French interface. Too few tools publish a monthly price to compute a reliable median. 6 disclose where data is hosted, 2 of them in Europe or on device.

Also useful

These tools belong to another category but also cover this need:

• Rev Rev lets people working with audio and video recordings transcribe them and create subtitles. They can request

Choosing well and avoiding pitfalls

Define the document type, jurisdiction and expected task before comparing products. Test representative matters and examine omissions as well as flagged passages. Check legal language quality, including French where needed, source access and update practices. For contracts, review file formats, tracked changes and exports into your usual working environment. Examine confidentiality commitments, access controls and any use of submitted documents beyond providing the service. Compare charging per user, matter or usage against your workflow. Useful output should remain traceable to a document or reference that you can inspect independently before relying on it.

A tool may invent a reference, overlook an exception or apply reasoning that does not fit the matter. Open the underlying sources and check their scope, date and relevance. A flagged clause is not necessarily unsuitable in every context. Read proposed changes within the agreement as a whole. Avoid submitting confidential files without reviewing the service’s terms. Have conclusions affecting your rights or obligations checked by an appropriately qualified professional using the relevant documents and legal sources.

To compare with the cost of using an AI model directly, see the API price calculator.

Free or paid?

Free access or trials generally allow limited research, document analysis or drafting. They help you assess output quality and supported formats. Paying may become useful for recurring matters, collaboration features or specialised sources. Check confidentiality terms and document retrieval before using a real file, and use suitable sample material while evaluating a service whose conditions remain unclear.

Tools in the category with a free tier: fynk, Doctrine, and PatentPal.

For which jobs?

The profiles that use these tools most, based on the use cases documented by publishers: lawyers, content writers, graphic designers, video creators, sales teams, and small business owners.