Harvey vs VAST Data
Which Developer Tools AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
VAST Data
Unifying software layer for AI infrastructure
Side-by-side
VAST Data is the more established option (raised $2.4B), but Harvey is cheaper to start.
| Metric | Harvey | VAST Data |
|---|---|---|
| Taglinei | The AI platform for elite law firms. | Unifying software layer for AI infrastructure |
| Foundedi | 2022 | 2016🏆 |
| HQi | San Francisco, US | US |
| Employeesi | 201-500 | 201-500 |
| Neuron scorei | 81 | 90🏆 |
| Total fundingi | $1.7B | $2.4B🏆 |
| Latest roundi | Growth · Mar 2026 | Series F · Apr 2026 |
| Valuationi | $11B | $30B🏆 |
| Cheapest paid plani | —🏆 | — |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise · Contact sales | Enterprise · Contact sales |
| Pricing summaryi | 1 published plans | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Harvey and VAST Data.
| Capability | Harvey | VAST Data |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harvey
- Newer company (2022)
🔵 Strengths of VAST Data
- Has raised more capital ($2.4B vs $1.7B)
- Higher Neuron score (90 vs 81)
- More mature (2016)
Which should you choose?
Choose Harvey if price matters most — it starts at Paid, which is friendlier for teams watching burn. Both AI Developer Tools tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose VAST Data if you want the most established option — it has raised $2.4B, 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
Harvey vs VAST Data — which is better?
It depends on your priority. Harvey is the leaner option; VAST Data has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than VAST Data?
Yes — Harvey's cheapest paid plan is Paid, while VAST Data's is Enterprise · Contact sales.
Do Harvey and VAST Data offer free plans?
Harvey: Paid only. VAST Data: Paid only.
Explore more AI Developer Tools tools
Contextual paths to related AI startups, deals and rankings.