Clio
4.3The largest M&A deal in legal tech history just made its AI reach every corner of the practice
The best Legal AI tools right now are Rocket Lawyer, Docusign, and Dodonai. Rocket Lawyer is our top overall pick (3.9/5). Compare all 8 below by price, features and rating to find the right fit.
★ Top pickRocket LawyerOur highest-rated pick, known for rocket Copilot – attorney-backed AI contract review and insightsVisit Rocket Lawyer
| Tool | Best for | Free | From | Rating | Visit |
|---|---|---|---|---|---|
 Rocket Lawyer | Best overall | No | $12.41/mo | 3.9 | Visit |
 Docusign | Best value | No | — | 3.9 | Visit |
 Dodonai | Also worth a look | No | — | 3.9 | Visit |
 LawToolBox | Most popular | No | — | 3.8 | Visit |
 MyCase | Also worth a look | No | — | 3.8 | Visit |
 Legito | Also worth a look | No | — | 3.8 | Visit |
 CaseFleet | Also worth a look | No | — | 3.7 | Visit |
 CFR Explorer | Best free option | Yes | Free | 2.9 | Visit |
Best Legal AI tool for each use case
Redline contracts inside the tools lawyers already use
Spellbook drafts and redlines directly in Microsoft Word, so review happens where the document already lives. Small firms and in-house teams adopt it because it does not ask anyone to change how they work.
Review large contract sets for risk
Kira Systems and Luminance were trained on extensive document collections to extract clauses and surface anomalies across a portfolio. They fit due diligence and lease or supplier reviews where the volume defeats manual reading.
Research case law and predict outcomes
Lex Machina applies legal analytics to litigation history to show how particular courts, judges, and opposing counsel have behaved. Litigators use it to set expectations before committing to a strategy.
Run firm-wide legal work on one platform
Harvey and CoCounsel target broad legal workflows rather than a single task, from research to drafting to summarizing. They suit firms wanting one vendor across practice groups instead of several point tools.
How to choose a Legal AI tool
What to evaluate
- Confirm where client data is processed and stored — because privilege and confidentiality obligations may rule out some hosting arrangements outright.
- Separate contract review from legal research — since tools that excel at clause extraction rarely also excel at case law analysis.
- Test on your own documents during evaluation — as accuracy varies enormously by practice area and document type.
- Check whether output is verifiable — because a citation or clause reference you cannot trace back is not usable in filed work.
Which one should you pick?
If you want AI review without changing your drafting workflowPick Spellbook, which works inside Microsoft Word.
If you need litigation analytics and outcome dataPick Lex Machina, built on a large body of litigation records.
If you run a small firm and need practice management alongside AIPick Clio, which pairs case management with AI across the workflow.
Best free Legal AI tools
These Legal AI tools offer a genuine free plan or trial, a smart place to start before you pay.
How much do Legal AI tools cost?
| Price tier | What you get | Examples |
|---|---|---|
| Free | $0, free plan or open-source | CFR Explorer, DemandLetter |
| Budget | Under $15/mo | Rocket Lawyer, RentLateFee |
| Mid-range | $15 to $39/mo | DoNotPay |
| Premium | $40/mo and up | ContraxAware, GC AI, Ceartas DMCA, DigitalOwl, Fynk |
Pro tips
- Never file or send AI-drafted work without verifying every citation, since fabricated references have already led to sanctions in multiple jurisdictions.
- Pilot on a closed matter first, so you can compare the tool's output against the result you already know.
- Write an internal policy on what may be uploaded before rollout, not after a partner has already pasted in a client agreement.
- Ask vendors directly whether your data trains their models, and get the answer in the contract.
How we test & rank
We verify every tool in this category is live and does what it claims, then score it on value, feature depth and how well it fits the job. Rankings are never for sale, and affiliate links never change a score. Read our full methodology
Browse all tools
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Harvey
4.4Backed by OpenAI's own startup fund, reaching an $11 billion valuation in 3 years
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Legora
4.3Crossed $100M ARR in its third year, one of the fastest enterprise-software ramps on record
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Spellbook
4.2Drafts and redlines contracts directly inside Microsoft Word
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Ironclad
4.2A full contract lifecycle platform, with AI as one tier rather than the whole product
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Luminance
4.2Trained its own proprietary LLM on more than 150 million legal documents
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CoCounsel
4.3Reached 1 million users in 3 years, backed by Thomson Reuters after a $650M acquisition