Spellbook vs Copy.ai
Plans, free access, limits and intended use side by side, taken from each vendor’s own pages. No score and no winner: the facts show where the two differ.
Change tools
AI contract review, redlining and drafting inside Microsoft Word, priced per seat by quote
AI chat, brand-trained agents and workflows for sales and marketing content.
- Free access
- Spellbook: Free trial only
- Copy.ai: No free tier
- Paid from
- Spellbook: No fixed price listed
- Copy.ai: USD 24 per month
- Plans listed
- Spellbook: 4
- Copy.ai: 5
- Public API
- Spellbook: Not confirmed
- Copy.ai: Yes
Where Spellbook and Copy.ai differ
- AccessSpellbook offers a free trial only, while Copy.ai has no free tier.
- Pricing checkPrices not confirmed for Spellbook; prices confirmed for Copy.ai.
- PlansSpellbook lists 4 plans and Copy.ai lists 5.
Head to head
Each value from the tool’s profile and the vendor’s own pages
| Spellbook | Fact | Copy.ai |
|---|---|---|
| Access and price | ||
| Free trial only | Free accessDiffers | No free tier |
| No fixed price listed | Lowest listed paid plan | USD 24 per monthChat · billed annually as USD 288 per year · USD 29 billed monthly |
| No public prices; per-seat quote, 7-day free trial | Pricing model | From USD 24 a month; Enterprise by quote |
| 4 | Plans listedDiffers | 5 |
| Not confirmed | Public API | Yes |
| Not confirmed | Card to start | Not confirmed |
| Not confirmed | Open source | No |
| What it is for | ||
| Transactional lawyers and in-house legal teams who review and draft contracts in Word | Built for | Brand-consistent sales and marketing content for teams |
| Writing & content | CategorySame | Writing & content |
| Platforms |
|
| Works with |
|
| How current | ||
| Profile sources checked | ||
| Prices not confirmed · Oct 17, 2026 | Pricing checkDiffers | Prices confirmed · Oct 17, 2026 |
Official source check for both tools. No hands-on testing and no score: “Differs” marks a documented difference, not a better tool.
Plans and prices
Spellbook
Prices not confirmed · Oct 17, 2026- Law firmsNot published; per-seat quote
- In-house teamsNot published; per-seat quote
- Free trialUSD 0 for 7 days
- AcademicFree until the end of 2026
Copy.ai
Prices confirmed · Oct 17, 2026- ChatUSD 24 per monthbilled annually as USD 288 per year · USD 29 billed monthly
- GrowthUSD 1,000 per monthbilled annually as USD 12,000 per year
- ExpansionUSD 2,000 per monthbilled annually as USD 24,000 per year
- ScaleUSD 3,000 per monthbilled annually as USD 36,000 per year
- EnterpriseContact provider
Strengths and limits
Spellbook
Strengths
- Works where lawyers already edit: The Review page puts redlines and comments inside Microsoft Word, so there is no separate document upload step.
- Your standards, reused: The Review page says playbooks save how you want a document reviewed, and the pricing page lists a playbook build service for in-house teams.
- Review plus research in one place: The Ask page says the same workflow covers asking what the law requires, citing the source and applying the answer as a redline.
Limits to plan around
- No public prices: The pricing page shows no amounts; it says pricing depends on the number of team members on a licence and sends you to a demo.
- Not legal advice: Terms section 5.4 says the customer will not rely solely on output as formal legal advice and will have it checked by a licensed lawyer when appropriate.
- Spellbook may keep a copy for 90 days: The Terms let Spellbook keep inputs and outputs for quality assurance for up to 90 days, which is separate from the zero retention it requires of its model providers.
Copy.ai
Strengths
- Several model families: The Chat plan card lists OpenAI, Anthropic and Gemini models, and a conversation can switch models midway.
- Five seats in the entry plan: The Chat plan card lists 5 seats with unlimited words and unlimited chat projects.
- Tone profile plus #tag document library: Brand Voice and Infobase let a team reuse tone and company facts instead of repeating them in every prompt.
Limits to plan around
- No free plan: The pricing page lists only paid plans, and the help center says the free plan was sunset.
- Steep step after five seats: The plan after Chat is Growth, billed yearly with no monthly option, so a sixth writer changes the budget by an order of magnitude.
- Credits do not roll over: Workflow credits reset each month and apply to the whole workspace.
See both products
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Run both tools on the same real task, then compare the result, how much editing it needs and how fast it uses your plan’s allowance.
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Comparing tools from different categories is fine, and often useful — a writing assistant and a research tool solve different halves of the same job. The table will show you exactly where they diverge.
Questions about comparing tools
How does the comparison work?
Add two tools to the comparison tray from any tool card, then open this page. The table pulls each tool's verified plan details, platforms, strengths and limits from its profile, so both columns carry the same kind of evidence, with a separate source-check date for each tool.
Do you declare a winner?
No. The table sets two tools against each other on documented facts, not on a score. Which one wins depends on your task, your budget and your usage volume — three things we cannot see from here.
Why are some cells empty or marked unverified?
Because we could not confirm that detail on the vendor's own pages. Rather than filling the gap with a figure from elsewhere, we mark it and say why on the tool's profile.
Can I compare more than two tools?
Not at once. Two columns keep the differences readable and force a real decision. Remove either selected tool to replace it, or clear both to start a new pair.
Every figure in the table above comes from the linked profile, where the source and the verification date are listed. Browse all tools or read the editorial policy.