Duckbill vs Within
Which Agents AI tool is better in 2026?
Duckbill
An AI-plus-human executive assistant that actually completes your personal to-do list
Within
Within maps how your people work, so your AI agents can work alongside them, transforming raw knowledge into actionable context.
Side-by-side
Duckbill is the more established option (raised $33M); pricing is comparable on both sides.
| Metric | Duckbill | Within |
|---|---|---|
| Taglinei | An AI-plus-human executive assistant that actually completes your personal to-do list | Within maps how your people work, so your AI agents can work alongside them, transforming raw knowledge into actionable context. |
| Foundedi | 2022🏆 | — |
| HQi | Boston, United States | — |
| Employeesi | — | — |
| Neuron scorei | 71🏆 | 0 |
| Total fundingi | $33M🏆 | Undisclosed |
| Latest roundi | Series A · Sep 2023 | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Free trial | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Duckbill and Within.
| Capability | Duckbill | Within |
|---|---|---|
| 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 Undisclosed)
- Higher Neuron score (71 vs 0)
- Offers a free trial
- Newer company (2022)
🔵 Strengths of Within
- Strong in AI Agents
Which should you choose?
Choose Within if price matters most — it starts at Enterprise · Contact sales, 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 Within — which is better?
It depends on your priority. Duckbill has raised more capital and is the more established option; Within has broader feature depth. See the side-by-side table above.
Is Duckbill cheaper than Within?
No — Within's cheapest paid plan is Enterprise · Contact sales, while Duckbill's is Free trial.
Do Duckbill and Within offer free plans?
Duckbill: Free trial only. Within: Paid only.
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