Spellbook

Spellbook

AI for contract drafting in Word.

Legal
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About Spellbook

Contract work is where legal teams lose their weeks. Every supplier MSA, vendor agreement and NDA needs a line-by-line pass, someone has to check it against the team's standards, and the non-standard clause buried on page 14 is exactly the one that slips through at 11 p.m. If you're in-house, the usual escape valve is outside counsel, which is slow and expensive. If you're at a law firm, it's more associate hours on repetitive drafting nobody enjoys. Spellbook is built squarely for that bottleneck.

The core product lives where lawyers already work. The law firm package is listed as a Word Add-In plus Associate, Spellbook's multi-document workflow tool. From there you can redline contracts "negotiating from your side, with every suggestion tracked," draft clauses or full agreements from AI or your own precedents, compare terms against industry standards, and ask quick questions about a document. The piece that matters most for teams is Playbooks: you encode your legal standards once, and they're enforced as automated checklists on every review. That's what turns a smart assistant into a consistency tool. Spellbook is also previewing ACM (Autonomous Contract Management), which pulls contracts in from email and Slack, runs a first-pass review against your standards, and stores signed contracts in a searchable repository that's monitored for renewals and new risks. It's early access for now, so treat it as a roadmap item, not a shipping feature.

The pitch is credible on paper. Spellbook puts its customer count at 5,000+, in-house teams and law firms both, names Dropbox's legal team among them, and claims 75% time saved on contract work. Customer quotes range from "55% time saved" in a pilot to a more modest "30% lift" in efficiency, which is probably the more realistic number to plan around. Security is taken seriously too: zero data retention with its LLM providers, SSO, MFA, audit controls, and SOC 2 Type II, HIPAA and GDPR coverage. The catch is that the public site leans heavily on demos and marketing claims. Pricing isn't shown in dollar terms, integrations aren't listed in detail, and you'll learn most of the specifics on a sales call or during the 7-day free trial.

Key features

Review and redlining

Spellbook redlines contracts from your side of the deal, flags risky or non-standard terms, and keeps every suggested change tracked so you can accept or reject it.

Drafting from AI or precedents

You can draft new clauses, full agreements or revisions either from scratch with AI or from your saved libraries and precedents.

Playbooks

Playbooks turn your team's legal standards into automated checklists that get applied on every contract review, so positions stay consistent across reviewers.

Associate for multi-document work

Associate handles workflows that span several documents at once, which is useful when a deal involves an MSA, order forms and amendments together.

Compare and Ask

Compare benchmarks a contract against industry standards, while Ask gives you quick answers to specific questions about the document in front of you.

Autonomous Contract Management (early access)

ACM pulls contracts in automatically from email and Slack, runs a first-pass review against your standards, and keeps signed contracts in a searchable repository monitored for renewals and risks.

Best for

  • in-house legal teams trying to cut outside counsel spend
  • law firms doing high-volume contract drafting in Word
  • legal ops managers who need consistent positions across reviewers
  • teams reviewing supplier and vendor agreements across multiple countries
  • regulated companies that need SOC 2 Type II and HIPAA coverage

Skip if

  • Skip this if you want transparent, self-serve pricing. The pricing page shows tiers and inclusions but no dollar figures, so you'll be booking a demo.
  • Skip this if your team doesn't draft in Microsoft Word. The law firm package is built around a Word Add-In, and the source doesn't mention support for other editors.
  • Skip this if you need full contract lifecycle management today. The end-to-end ACM product is still in early access.

Pros & cons

Pros

  • Playbooks enforce your own standards on every review, which is the real difference between this and pasting a contract into a general chatbot.
  • Zero data retention means its LLM providers don't train on or store your data, backed by SOC 2 Type II, HIPAA, GDPR and EU AI Act coverage.
  • It works inside Word with tracked-change redlines, so lawyers don't have to learn a new editor to get value.
  • There's real social proof: 5,000+ legal teams, a Dropbox customer story, and a 4.7 rating cited on the homepage.
  • A 7-day free trial lets you test it on actual contracts before committing.

Cons

  • The headline ACM features, including email and Slack intake and the monitored repository, are early access, not generally available.
  • Integrations are only described as "works with your existing systems" in the source, so you can't confirm your CMS or DMS is supported without asking.
  • The marketing claims vary a lot, from 75% time saved down to a 30% efficiency lift, so budget expectations around the lower end.

Pricing

TierPriceIncludes
Free TrialFree for 7 daysTrial access to Spellbook before purchasing.
Law FirmsNot listed, contact salesSpellbook Suite (Word Add-In and Associate), group training sessions, online customer support, plus additional inclusions not shown in the scraped page.

Frequently asked questions

Does Spellbook have a free trial?

Yes, Spellbook offers a 7-day free trial. You can also book a demo if you'd rather see it on a call first.

How much does Spellbook cost?

Spellbook is a paid product, and the pricing page shows tiers such as a Law Firms plan that includes the Word Add-In, Associate, group training and online support. Dollar amounts aren't shown on the page, so you'll get a quote through sales.

Is my contract data used to train AI models?

No. Spellbook advertises zero data retention: the model providers behind it do not keep your documents, do not train on them, and learn nothing from them. It also holds SOC 2 Type II, HIPAA and GDPR coverage.

How is Spellbook different from using ChatGPT for contracts?

ChatGPT can summarize or draft clauses, but Spellbook works inside Microsoft Word with tracked redlines and enforces your team's Playbooks on every review. It also offers zero data retention, which matters for confidential client documents.

Who actually uses Spellbook?

Spellbook puts its customer count at 5,000+, a mix of in-house teams and law firms, with Dropbox's legal team among them. Its newsletter, The Redline, is read by lawyers at OpenAI, Google and Kirkland & Ellis.

How Spellbook compares

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