Hark vs Zettascale
Which Energy AI tool is better in 2026?
Hark
Energy Management Software for Commercial & Industrial Buildings & Assets.
Zettascale
Energy-efficient reconfigurable chips for AI
Side-by-side
Hark is the more established option (raised $700M); pricing is comparable on both sides.
| Metric | Hark | Zettascale |
|---|---|---|
| Taglinei | Energy Management Software for Commercial & Industrial Buildings & Assets. | Energy-efficient reconfigurable chips for AI |
| Foundedi | — | 2024🏆 |
| HQi | GB | San Francisco, United States |
| Employeesi | — | 5🏆 |
| Neuron scorei | 37 | 62🏆 |
| Total fundingi | $700M🏆 | $500K |
| Latest roundi | Series A · May 2026 | Seed · Sep 2024 |
| Valuationi | $6B🏆 | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Custom |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Hark and Zettascale.
| Capability | Hark | Zettascale |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Hark
- Has raised more capital ($700M vs $500K)
🔵 Strengths of Zettascale
- Higher Neuron score (62 vs 37)
- Newer company (2024)
Which should you choose?
Choose Zettascale if price matters most — it starts at Custom, which is friendlier for teams watching burn. Both AI Energy tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Hark if you want the most established option — it has raised $700M, 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
Hark vs Zettascale — which is better?
It depends on your priority. Hark has raised more capital and is the more established option; Zettascale has broader feature depth. See the side-by-side table above.
Is Hark cheaper than Zettascale?
No — Zettascale's cheapest paid plan is Custom, while Hark's is Enterprise · Contact sales.
Do Hark and Zettascale offer free plans?
Hark: Paid only. Zettascale: Paid only.
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