Duckbill vs Rebolt
Which Agents AI tool is better in 2026?
Duckbill
An AI-plus-human executive assistant that actually completes your personal to-do list
Rebolt
AI software factory for company operations
Side-by-side
Duckbill is the more established option (raised $33M); pricing is comparable on both sides.
| Metric | Duckbill | Rebolt |
|---|---|---|
| Taglinei | An AI-plus-human executive assistant that actually completes your personal to-do list | AI software factory for company operations |
| Foundedi | 2022🏆 | 2024 |
| HQi | Boston, United States | San Francisco, United States |
| Employeesi | — | 10🏆 |
| Neuron scorei | 71🏆 | 65 |
| Total fundingi | $33M🏆 | $4M |
| Latest roundi | Series A · Sep 2023 | Seed · Mar 2025 |
| 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 trial | Custom |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Duckbill and Rebolt.
| Capability | Duckbill | Rebolt |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Duckbill
- Has raised more capital ($33M vs $4M)
- Higher Neuron score (71 vs 65)
- Offers a free trial
- More mature (2022)
🔵 Strengths of Rebolt
- Newer company (2024)
Which should you choose?
Choose Rebolt if price matters most — it starts at Custom, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Duckbill if you want the most established option — it has raised $33M, 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
Duckbill vs Rebolt — which is better?
It depends on your priority. Duckbill has raised more capital and is the more established option; Rebolt has broader feature depth. See the side-by-side table above.
Is Duckbill cheaper than Rebolt?
No — Rebolt's cheapest paid plan is Custom, while Duckbill's is Free trial.
Do Duckbill and Rebolt offer free plans?
Duckbill: Free trial only. Rebolt: Paid only.
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