Casetext vs Spellbook
Which Legal AI tool is better in 2026?
Casetext
AI legal assistant CoCounsel that drafts, reviews, and researches law using GPT-4 reasoning.
Spellbook
AI contract review for lawyers
Side-by-side
Spellbook is the more established option (raised $90M), but Casetext is cheaper to start.
| Metric | Casetext | Spellbook |
|---|---|---|
| Taglinei | AI legal assistant CoCounsel that drafts, reviews, and researches law using GPT-4 reasoning. | AI contract review for lawyers |
| Foundedi | 2013🏆 | 2021 |
| HQi | San Francisco, US | Toronto, CA |
| Employeesi | — | 20-50🏆 |
| Neuron scorei | 70🏆 | 55 |
| Total fundingi | $64M | $90M🏆 |
| Latest roundi | Series C · Jul 2019 | Debt · Mar 2026 |
| Valuationi | $135M🏆 | — |
| Cheapest paid plani | From $250/mo🏆 | — |
| Free plani | ✗ | ✓ 7-day free trial |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Free trial · From $250/mo | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Casetext and Spellbook.
| Capability | Casetext | Spellbook |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Casetext
- Higher Neuron score (70 vs 55)
- Lower starting price ($250/mo)
- More mature (2013)
🔵 Strengths of Spellbook
- Has raised more capital ($90M vs $64M)
- Newer company (2021)
- Verified profile
Which should you choose?
Choose Casetext if price matters most — it starts at Free trial · From $250/mo, which is friendlier for teams watching burn. Both AI Legal tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Spellbook if you want the most established option — it has raised $90M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Casetext vs Spellbook — which is better?
It depends on your priority. Casetext is the leaner option; Spellbook has broader feature depth. See the side-by-side table above.
Is Casetext cheaper than Spellbook?
Yes — Casetext's cheapest paid plan is Free trial · From $250/mo, while Spellbook's is Free.
Do Casetext and Spellbook offer free plans?
Casetext: Free trial only. Spellbook: Yes, has a free plan.
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