definity vs VAST Data
Which Data Engineering AI tool is better in 2026?
definity
Agentic data engineering platform for production data pipelines
VAST Data
Unifying software layer for AI infrastructure
Side-by-side
| definity | VAST Data | |
|---|---|---|
| Tagline | Agentic data engineering platform for production data pipelines | Unifying software layer for AI infrastructure |
| Founded | 2022 | 2016 |
| HQ | IL | US |
| Employees | — | — |
| Total funding | $16.5M | $2.4B |
| Latest round | Series A · Apr 2026 | Series F · Apr 2026 |
| Valuation | — | — |
| Cheapest paid plan | Pricing not disclosed | Pricing not disclosed |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Top tier price | Pricing not disclosed | Pricing not disclosed |
| Pricing summary | Pricing not listed | Pricing not listed |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for definity and VAST Data.
| Capability | definity | VAST Data |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of definity
- Higher Neuron score (43 vs 0)
- Newer company (2022)
🔵 Strengths of VAST Data
- Has raised more capital ($2.4B vs $16.5M)
- More mature (2016)
Which should you choose?
Choose VAST Data if price matters most — it starts at Pricing not listed, which is friendlier for teams watching burn. Both AI Data Engineering 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
definity vs VAST Data — which is better?
It depends on your priority. definity is the leaner option; VAST Data has broader feature depth. See the side-by-side table above.
Is definity cheaper than VAST Data?
No — VAST Data's cheapest paid plan is Pricing not listed, while definity's is Pricing not listed.
Do definity and VAST Data offer free plans?
definity: Paid only. VAST Data: Paid only.
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