Emerald AI vs Hark
Which Energy AI tool is better in 2026?
Emerald AI
Turns AI data centers into flexible grid assets that ease power demand
Hark
Energy Management Software for Commercial & Industrial Buildings & Assets.
Side-by-side
Hark is the more established option (raised $700M); pricing is comparable on both sides.
| Metric | Emerald AI | Hark |
|---|---|---|
| Taglinei | Turns AI data centers into flexible grid assets that ease power demand | Energy Management Software for Commercial & Industrial Buildings & Assets. |
| Foundedi | 2024🏆 | — |
| HQi | Arlington, US | GB |
| Employeesi | 11-50🏆 | — |
| Neuron scorei | 62🏆 | 37 |
| Total fundingi | $197.2M | $700M🏆 |
| Latest roundi | series-a · Aug 2026 | Series A · May 2026 |
| 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 | Free | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Emerald AI and Hark.
| Capability | Emerald AI | Hark |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Emerald AI
- Higher Neuron score (62 vs 37)
- Offers a free plan
- Offers a free trial
- Newer company (2024)
🔵 Strengths of Hark
- Has raised more capital ($700M vs $197.2M)
Which should you choose?
Choose Hark if price matters most — it starts at Enterprise · Contact sales, 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
Emerald AI vs Hark — which is better?
It depends on your priority. Emerald AI is the leaner option; Hark has broader feature depth. See the side-by-side table above.
Is Emerald AI cheaper than Hark?
No — Hark's cheapest paid plan is Enterprise · Contact sales, while Emerald AI's is Free.
Do Emerald AI and Hark offer free plans?
Emerald AI: Yes, has a free plan. Hark: Paid only.
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