Spellbook
Suggests clauses, flags risk and redlines contracts inside Microsoft Word.
Full Spellbook record →Head to head
Spellbook vs Robin AI
Spellbook (Spellbook) and Robin AI (Robin AI) both sit in Legal. Spellbook is the cheaper entry point at Custom pricing structured around the number of team members. Offers a 7-day free trial.. Spellbook shipped more tracked changes in the last 30 days (5 vs 2). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Spellbook Spellbook | Robin AI Robin AI |
|---|---|---|
| Segment | Legal | Legal |
| Version | ACM | 2026 platform |
| Entry cost | Custom pricing structured around the number of team members. Offers a 7-day free trial. | from $99/mo |
| Pricing tiers | Law Firms (Spellbook Suite) free · In-House Teams (Spellbook Suite) free | Lite $99 · Pro free · Enterprise free |
| Model stack | GPT5 · Opus | AWS Anthropic Claude · Claude · Claude (Anthropic Partnership) · Claude (Anthropic) · Claude 3 Opus · Claude 3.5 Sonnet · unspecified AI model |
| Context window | Not published | Not published |
| Public API | ||
| Routes models | ||
| Changes / 30d | 5 | 2 |
| Origin | Global | Global |
| Capabilities | Clause suggestions, Redlining, Risk flagging, Benchmarks, Playbooks, Contract Review, Contract Drafting, Contract Comparison | Contract review, Playbook enforcement, Word add-in, Legal expert escalation, Reporting, Contract Review, AI Chat, Advanced Search |
Robin AI
Drafting, review and negotiation assistance with legal expert oversight.
Full Robin AI record →