Thomson Reuters · Legal
AI legal assistant from Thomson Reuters providing research, document review, and drafting assistance for lawyers.
Pricing
Enterprise pricing
Trust 86
Legal
Spellbook
AI contract drafting assistant that integrates with Microsoft Word to suggest and review contract language.
What’s good
- Word integration
- Easy to use
- Good suggestions
Where it falls down
- Contract drafting only
- Requires Word
- Limited analysis
Features
Contract drafting
Clause suggestions
Risk flagging
Word integration
Alternatives
Others doing the same job
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Cost against price
Spellbook costs $49. What does it cost to run?
We do not know which model Spellbook runs on, so here is the range. One seat doing the light workload, on the cheapest, middlemost and dearest models in the index.
| If it runs on | Model | Model cost | Left of $49 |
|---|---|---|---|
| Cheapest priced model | Qwen 3.7 Flash | $0.13 | $49 (100%) |
| Middle of the range | Gemini 3.1 Pro | $11 | $38 (78%) |
| Dearest priced model | Claude Fable 5 | $48 | $1.00 (2%) |
A model, not an audit. This is what the intelligence would cost at that shape of work, not what Spellbook pays: we do not know its model, its real usage or what it has negotiated, and the figures exclude caching, batching and volume discounts. What the gap is worth is the product, and that is the thing to judge.
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