Definely vs Summize
Which Legal AI tool is better in 2026?
Definely
AI-powered contract drafting and review built into the lawyer's workflow.
Summize
AI contract intelligence and lifecycle management inside the tools teams already use
Side-by-side
Summize is the more established option (raised $50M); pricing is comparable on both sides.
| Metric | Definely | Summize |
|---|---|---|
| Taglinei | AI-powered contract drafting and review built into the lawyer's workflow. | AI contract intelligence and lifecycle management inside the tools teams already use |
| Foundedi | 2020🏆 | — |
| HQi | London, GB | — |
| Employeesi | 51-200🏆 | — |
| Neuron scorei | 53 | 65🏆 |
| Total fundingi | $40M | $50M🏆 |
| Latest roundi | Series B | Growth |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Definely and Summize.
| Capability | Definely | Summize |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Definely
- Offers a free plan
- Newer company (2020)
🔵 Strengths of Summize
- Has raised more capital ($50M vs $40M)
- Higher Neuron score (65 vs 53)
Which should you choose?
Choose Summize if price matters most — it starts at Enterprise · Contact sales, 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 Summize if you want the most established option — it has raised $50M, 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
Definely vs Summize — which is better?
It depends on your priority. Definely is the leaner option; Summize has broader feature depth. See the side-by-side table above.
Is Definely cheaper than Summize?
No — Summize's cheapest paid plan is Enterprise · Contact sales, while Definely's is Free.
Do Definely and Summize offer free plans?
Definely: Yes, has a free plan. Summize: Free trial only.
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