Duckbill vs Otto
Which Agents AI tool is better in 2026?
Duckbill
An AI-plus-human executive assistant that actually completes your personal to-do list
Otto
Autonomous AI travel agent for business travelers
Side-by-side
Duckbill is the more established option (raised $33M); pricing is comparable on both sides.
| Metric | Duckbill | Otto |
|---|---|---|
| Taglinei | An AI-plus-human executive assistant that actually completes your personal to-do list | Autonomous AI travel agent for business travelers |
| Foundedi | 2022🏆 | 2024 |
| HQi | Boston, United States | Seattle, US |
| Employeesi | — | 11-50🏆 |
| Neuron scorei | 71🏆 | 53 |
| Total fundingi | $33M🏆 | $6M |
| Latest roundi | Series A · Sep 2023 | 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 trial | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Duckbill and Otto.
| Capability | Duckbill | Otto |
|---|---|---|
| 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 $6M)
- Higher Neuron score (71 vs 53)
- More mature (2022)
🔵 Strengths of Otto
- Offers a free plan
- Newer company (2024)
Which should you choose?
Choose Otto if price matters most — it starts at Free, 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 Otto — which is better?
It depends on your priority. Duckbill has raised more capital and is the more established option; Otto has broader feature depth. See the side-by-side table above.
Is Duckbill cheaper than Otto?
No — Otto's cheapest paid plan is Free, while Duckbill's is Free trial.
Do Duckbill and Otto offer free plans?
Duckbill: Free trial only. Otto: Yes, has a free plan.
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