Onyx vs Sumble
Which Search AI tool is better in 2026?
Onyx
Sumble
Side-by-side
Sumble is the more established option (raised $38.5M); pricing is comparable on both sides.
| Metric | Onyx | Sumble |
|---|---|---|
| Taglinei | — | — |
| Foundedi | — | — |
| HQi | — | — |
| Employeesi | 11-50 | 11-50 |
| Neuron scorei | 72🏆 | 66 |
| Total fundingi | $10M | $38.5M🏆 |
| Latest roundi | Seed | Seed |
| Valuationi | — | — |
| 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 | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Onyx and Sumble.
| Capability | Onyx | Sumble |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Onyx
- Higher Neuron score (72 vs 66)
🔵 Strengths of Sumble
- Has raised more capital ($38.5M vs $10M)
Which should you choose?
Choose Sumble if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Search tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Sumble if you want the most established option — it has raised $38.5M, 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
Onyx vs Sumble — which is better?
It depends on your priority. Onyx is the leaner option; Sumble has broader feature depth. See the side-by-side table above.
Is Onyx cheaper than Sumble?
No — Sumble's cheapest paid plan is Free, while Onyx's is Free.
Do Onyx and Sumble offer free plans?
Onyx: Yes, has a free plan. Sumble: Yes, has a free plan.
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