Substrate vs VAST Data
Which Developer Tools AI tool is better in 2026?
Substrate
The platform for agentic AI, providing infrastructure for intelligent software with elegant abstractions and high-performance components.
VAST Data
Unifying software layer for AI infrastructure
Side-by-side
VAST Data is the more established option (raised $2.4B), but Substrate is cheaper to start.
| Metric | Substrate | VAST Data |
|---|---|---|
| Taglinei | The platform for agentic AI, providing infrastructure for intelligent software with elegant abstractions and high-performance components. | Unifying software layer for AI infrastructure |
| Foundedi | — | 2016🏆 |
| HQi | — | US |
| Employeesi | — | 201-500🏆 |
| Neuron scorei | 57 | 88🏆 |
| Total fundingi | Undisclosed | $2.4B🏆 |
| Latest roundi | — | Series F · Apr 2026 |
| Valuationi | — | $30B🏆 |
| Cheapest paid plani | Starter · $30/mo🏆 | — |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pro · $500/mo | Enterprise · Contact sales |
| Pricing summaryi | 4 published plans | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Substrate and VAST Data.
| Capability | Substrate | VAST Data |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (Python, TypeScript) | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Substrate
- Lower starting price ($30/mo)
🔵 Strengths of VAST Data
- Has raised more capital ($2.4B vs Undisclosed)
- Higher Neuron score (88 vs 57)
- Newer company (2016)
Which should you choose?
Choose Substrate if price matters most — it starts at Usage · From $30/mo, 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
Substrate vs VAST Data — which is better?
It depends on your priority. Substrate is the leaner option; VAST Data has broader feature depth. See the side-by-side table above.
Is Substrate cheaper than VAST Data?
Yes — Substrate's cheapest paid plan is Starter · $30/mo, while VAST Data's is Enterprise · Contact sales.
Do Substrate and VAST Data offer free plans?
Substrate: Paid only. VAST Data: Paid only.
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