Martin vs Vellum
Which Agents AI tool is better in 2026?
Martin
Personal AI assistant reachable by call, text and app
Vellum
An AI Assistant that adapts to how you work, acts before you ask, and is entirely yours to customize.
Side-by-side
Martin is the more established option (raised $2M); pricing is comparable on both sides.
| Metric | Martin | Vellum |
|---|---|---|
| Taglinei | Personal AI assistant reachable by call, text and app | An AI Assistant that adapts to how you work, acts before you ask, and is entirely yours to customize. |
| Foundedi | 2023🏆 | — |
| HQi | San Francisco, United States | US |
| Employeesi | — | 1-10🏆 |
| Neuron scorei | 67🏆 | 22 |
| Total fundingi | $2M🏆 | Undisclosed |
| Latest roundi | Seed · Jan 2024 | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✓ Free |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | — |
| Pricing summaryi | Free trial | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Martin and Vellum.
| Capability | Martin | Vellum |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | 1 (CLI) |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Martin
- Has raised more capital ($2M vs Undisclosed)
- Higher Neuron score (67 vs 22)
- Newer company (2023)
🔵 Strengths of Vellum
- Offers a free plan
Which should you choose?
Choose Vellum 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 Martin if you want the most established option — it has raised $2M, 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
Martin vs Vellum — which is better?
It depends on your priority. Martin has raised more capital and is the more established option; Vellum has broader feature depth. See the side-by-side table above.
Is Martin cheaper than Vellum?
No — Vellum's cheapest paid plan is Free, while Martin's is Free trial.
Do Martin and Vellum offer free plans?
Martin: Free trial only. Vellum: Yes, has a free plan.
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