Harmonic vs Ndea
Which Foundation Models AI tool is better in 2026?
Harmonic
Mathematical superintelligence with hallucination-free, verified reasoning
Ndea
Frontier AI lab building AGI through deep learning-guided program synthesis.
Side-by-side
Harmonic is the more established option (raised $295M); pricing is comparable on both sides.
| Metric | Harmonic | Ndea |
|---|---|---|
| Taglinei | Mathematical superintelligence with hallucination-free, verified reasoning | Frontier AI lab building AGI through deep learning-guided program synthesis. |
| Foundedi | 2023🏆 | 2025 |
| HQi | Palo Alto, US | San Francisco, US |
| Employeesi | 11-50 | 1-10🏆 |
| Neuron scorei | 63🏆 | 55 |
| Total fundingi | $295M🏆 | $43M |
| Latest roundi | Series C · Nov 2025 | Seed · Jan 2025 |
| Valuationi | $1.4B🏆 | — |
| 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 | Contact-sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Harmonic and Ndea.
| Capability | Harmonic | Ndea |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harmonic
- Has raised more capital ($295M vs $43M)
- Higher Neuron score (63 vs 55)
- Offers a free plan
- Offers a free trial
🔵 Strengths of Ndea
- Newer company (2025)
Which should you choose?
Choose Ndea if price matters most — it starts at Contact-sales, which is friendlier for teams watching burn. Both Foundation Models tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Harmonic if you want the most established option — it has raised $295M, 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
Harmonic vs Ndea — which is better?
It depends on your priority. Harmonic has raised more capital and is the more established option; Ndea has broader feature depth. See the side-by-side table above.
Is Harmonic cheaper than Ndea?
No — Ndea's cheapest paid plan is Contact-sales, while Harmonic's is Free.
Do Harmonic and Ndea offer free plans?
Harmonic: Yes, has a free plan. Ndea: Paid only.
Explore more Foundation Models tools
Contextual paths to related AI startups, deals and rankings.