Reactor vs VAST Data
Which Infrastructure AI tool is better in 2026?
Reactor
Real-time AI video generation with near-zero time to first frame
VAST Data
Unifying software layer for AI infrastructure
Side-by-side
VAST Data is the more established option (raised $2.4B); pricing is comparable on both sides.
| Metric | Reactor | VAST Data |
|---|---|---|
| Taglinei | Real-time AI video generation with near-zero time to first frame | Unifying software layer for AI infrastructure |
| Foundedi | 2025 | 2016🏆 |
| HQi | San Francisco, US | US |
| Employeesi | 1-10 | 201-500🏆 |
| Neuron scorei | 60 | 90🏆 |
| Total fundingi | $59M | $2.4B🏆 |
| Latest roundi | Series A · May 2026 | Series F · Apr 2026 |
| Valuationi | — | $30B🏆 |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Free trial | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Reactor and VAST Data.
| Capability | Reactor | VAST Data |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Reactor
- Offers a free trial
- Newer company (2025)
🔵 Strengths of VAST Data
- Has raised more capital ($2.4B vs $59M)
- Higher Neuron score (90 vs 60)
- More mature (2016)
Which should you choose?
Choose VAST Data if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Infrastructure 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
Reactor vs VAST Data — which is better?
It depends on your priority. Reactor is the leaner option; VAST Data has broader feature depth. See the side-by-side table above.
Is Reactor cheaper than VAST Data?
No — VAST Data's cheapest paid plan is Enterprise · Contact sales, while Reactor's is Free trial.
Do Reactor and VAST Data offer free plans?
Reactor: Free trial only. VAST Data: Paid only.
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