Ironclad vs Sandstone
Which Legal AI tool is better in 2026?
Ironclad
AI-powered contract management
Sandstone
AI platform for in-house legal departments that turns institutional knowledge into agentic
Side-by-side
Ironclad is the more established option (raised $150.5M); pricing is comparable on both sides.
| Metric | Ironclad | Sandstone |
|---|---|---|
| Taglinei | AI-powered contract management | AI platform for in-house legal departments that turns institutional knowledge into agentic |
| Foundedi | 2015🏆 | 2024 |
| HQi | San Francisco, US | — |
| Employeesi | 501-1000🏆 | 11-50 |
| Neuron scorei | 61🏆 | 53 |
| Total fundingi | $150.5M🏆 | $10M |
| Latest roundi | Series E · Jan 2022 | Seed |
| 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 | Pricing not listed | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Ironclad and Sandstone.
| Capability | Ironclad | Sandstone |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Ironclad
- Has raised more capital ($150.5M vs $10M)
- Higher Neuron score (61 vs 53)
- More mature (2015)
🔵 Strengths of Sandstone
- Offers a free plan
- Offers a free trial
- Newer company (2024)
Which should you choose?
Choose Sandstone if price matters most — it starts at Free, 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 Ironclad if you want the most established option — it has raised $150.5M, 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
Ironclad vs Sandstone — which is better?
It depends on your priority. Ironclad has raised more capital and is the more established option; Sandstone has broader feature depth. See the side-by-side table above.
Is Ironclad cheaper than Sandstone?
No — Sandstone's cheapest paid plan is Free, while Ironclad's is Pricing not listed.
Do Ironclad and Sandstone offer free plans?
Ironclad: Paid only. Sandstone: Yes, has a free plan.
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