Spellbook
Suggests clauses, flags risk and redlines contracts inside Microsoft Word.
Full Spellbook record →Head to head
Spellbook vs CoCounsel
Spellbook (Spellbook) and CoCounsel (Thomson Reuters) both sit in Legal. Spellbook shipped more tracked changes in the last 30 days (3 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Spellbook Spellbook | CoCounsel Thomson Reuters |
|---|---|---|
| Segment | Legal | Legal |
| Version | ACM | 2026 platform |
| Entry cost | Pricing is custom and based on the number of team members. A 7-day free trial is available. | Enterprise contract pricing |
| Pricing tiers | Law Firms (Spellbook Suite) free | Enterprise free |
| Model stack | GPT5 · Opus | Claude · GPT-5.2 |
| Context window | Not published | Not published |
| Public API | ||
| Routes models | ||
| Changes / 30d | 3 | 0 |
| Origin | Global | Global |
| Capabilities | Clause suggestions, Redlining, Risk flagging, Benchmarks, Playbooks, Contract Review, Contract Drafting, Contract Comparison | Westlaw grounded research, Document review, Deposition prep, Contract analysis, Drafting |
CoCounsel
Research, review and summarisation grounded in Westlaw and Practical Law.
Full CoCounsel record →