Duckbill vs Sesame
Which Agents AI tool is better in 2026?
Duckbill
An AI-plus-human executive assistant that actually completes your personal to-do list
Sesame
Lifelike voice companions and AI smart glasses
Side-by-side
Sesame leads on both fronts — more capital raised ($307.6M) and a lower entry price than Duckbill.
| Metric | Duckbill | Sesame |
|---|---|---|
| Taglinei | An AI-plus-human executive assistant that actually completes your personal to-do list | Lifelike voice companions and AI smart glasses |
| Foundedi | 2022🏆 | 2023 |
| HQi | Boston, United States | San Francisco, US |
| Employeesi | — | 51-100🏆 |
| Neuron scorei | 71🏆 | 56 |
| Total fundingi | $33M | $307.6M🏆 |
| Latest roundi | Series A · Sep 2023 | Series B · Oct 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 | Freemium |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Duckbill and Sesame.
| Capability | Duckbill | Sesame |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 1 (python) |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Duckbill
- Higher Neuron score (71 vs 56)
- Offers a free trial
- More mature (2022)
🔵 Strengths of Sesame
- Has raised more capital ($307.6M vs $33M)
- Newer company (2023)
Which should you choose?
Choose Sesame if price matters most — it starts at Freemium, 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 Sesame if you want the most established option — it has raised $307.6M, 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 Sesame — which is better?
It depends on your priority. Duckbill is the leaner option; Sesame is cheaper to start. See the side-by-side table above.
Is Duckbill cheaper than Sesame?
No — Sesame's cheapest paid plan is Freemium, while Duckbill's is Free trial.
Do Duckbill and Sesame offer free plans?
Duckbill: Free trial only. Sesame: Paid only.
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