Spellbook
Suggests clauses, flags risk and redlines contracts inside Microsoft Word.
Full Spellbook record →Head to head
Spellbook vs Clearbrief
Spellbook (Spellbook) and Clearbrief (Clearbrief) both sit in Legal. Spellbook is the cheaper entry point at 7-day free trial available, contact for custom user-based pricing.. Spellbook shipped more tracked changes in the last 30 days (4 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Spellbook Spellbook | Clearbrief Clearbrief |
|---|---|---|
| Segment | Legal | Legal |
| Version | ACM | 2025 |
| Entry cost | 7-day free trial available, contact for custom user-based pricing. | from $110/mo |
| Pricing tiers | 7-Day Free Trial free | — |
| Model stack | GPT5 · Opus | in-house NLP |
| Context window | Not published | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 4 | 0 |
| Origin | Global | Global |
| Capabilities | Clause suggestions, Redlining, Risk flagging, Benchmarks, Playbooks, Contract Review, Contract Drafting, Contract Comparison | Cite check, Timeline builder, Hyperlinked briefs |
Clearbrief
Citation verification inside Word for litigators.
Full Clearbrief record →