Positron AI vs VAST Data
Which Infrastructure AI tool is better in 2026?
Positron AI
US-built, energy-efficient AI inference chips designed to challenge Nvidia on performance-per-watt.
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 | Positron AI | VAST Data |
|---|---|---|
| Taglinei | US-built, energy-efficient AI inference chips designed to challenge Nvidia on performance-per-watt. | Unifying software layer for AI infrastructure |
| Foundedi | 2023 | 2016🏆 |
| HQi | Reno, US | US |
| Employeesi | 51-200🏆 | 201-500 |
| Neuron scorei | 45 | 90🏆 |
| Total fundingi | $281.6M | $2.4B🏆 |
| Latest roundi | Series B · Feb 2026 | Series F · Apr 2026 |
| Valuationi | $1B | $30B🏆 |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Pricing not listed | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Positron AI and VAST Data.
| Capability | Positron AI | VAST Data |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Positron AI
- Newer company (2023)
🔵 Strengths of VAST Data
- Has raised more capital ($2.4B vs $281.6M)
- Higher Neuron score (90 vs 45)
- 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
Positron AI vs VAST Data — which is better?
It depends on your priority. Positron AI is the leaner option; VAST Data has broader feature depth. See the side-by-side table above.
Is Positron AI cheaper than VAST Data?
No — VAST Data's cheapest paid plan is Enterprise · Contact sales, while Positron AI's is Pricing not listed.
Do Positron AI and VAST Data offer free plans?
Positron AI: Paid only. VAST Data: Paid only.
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