Castmagic vs Sherpa
Which Marketing AI tool is better in 2026?
Castmagic
Supercharge your media with AI, transforming audio and video into 100+ content assets in minutes.
Sherpa
Autonomous conversion rate optimization that watches sessions, ships A/B tests, and lifts signups.
Side-by-side
Sherpa is the more established option (raised $500K), but Castmagic is cheaper to start.
| Metric | Castmagic | Sherpa |
|---|---|---|
| Taglinei | Supercharge your media with AI, transforming audio and video into 100+ content assets in minutes. | Autonomous conversion rate optimization that watches sessions, ships A/B tests, and lifts signups. |
| Foundedi | — | 2026🏆 |
| HQi | — | San Francisco, US |
| Employeesi | — | 1-10🏆 |
| Neuron scorei | 15 | 50🏆 |
| Total fundingi | Undisclosed | $500K🏆 |
| Latest roundi | — | Seed · Mar 2026 |
| Valuationi | — | — |
| Cheapest paid plani | From $21/mo🏆 | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free trial · From $21/mo | Contact-sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Castmagic and Sherpa.
| Capability | Castmagic | Sherpa |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Castmagic
- Offers a free trial
- Lower starting price ($21/mo)
🔵 Strengths of Sherpa
- Has raised more capital ($500K vs Undisclosed)
- Higher Neuron score (50 vs 15)
- Newer company (2026)
Which should you choose?
Choose Castmagic if price matters most — it starts at Free trial · From $21/mo, which is friendlier for teams watching burn. Both AI Marketing tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Sherpa if you want the most established option — it has raised $500K, 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
Castmagic vs Sherpa — which is better?
It depends on your priority. Castmagic is the leaner option; Sherpa has broader feature depth. See the side-by-side table above.
Is Castmagic cheaper than Sherpa?
Yes — Castmagic's cheapest paid plan is Free trial · From $21/mo, while Sherpa's is Contact-sales.
Do Castmagic and Sherpa offer free plans?
Castmagic: Free trial only. Sherpa: Paid only.
Explore more AI Marketing tools
Contextual paths to related AI startups, deals and rankings.