Captions vs Soul Machines
Which Digital Humans AI tool is better in 2026?
Captions
AI that edits your video like a professional would.
Soul Machines
Autonomously animated digital people for interactive customer experiences
Side-by-side
Soul Machines is the more established option (raised $135M), but Captions is cheaper to start.
| Metric | Captions | Soul Machines |
|---|---|---|
| Taglinei | AI that edits your video like a professional would. | Autonomously animated digital people for interactive customer experiences |
| Foundedi | 2021 | 2016🏆 |
| HQi | New York, US | Auckland, New Zealand |
| Employeesi | 51-200🏆 | — |
| Neuron scorei | 56 | 75🏆 |
| Total fundingi | $75M | $135M🏆 |
| Latest roundi | Growth · Mar 2026 | Series B · Feb 2022 |
| Valuationi | — | — |
| Cheapest paid plani | Pro · $9.99/mo🏆 | Pricing not disclosed |
| Free plani | ✓ Free | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Scale 4x · $279.99/mo | Pricing not disclosed |
| Pricing summaryi | 6 published plans | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Captions and Soul Machines.
| Capability | Captions | Soul Machines |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 1 (JavaScript) |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Captions
- Lower starting price ($5/mo)
- Newer company (2021)
🔵 Strengths of Soul Machines
- Has raised more capital ($135M vs $75M)
- Higher Neuron score (75 vs 56)
- More mature (2016)
Which should you choose?
Choose Captions if price matters most — it starts at Freemium · From $5/mo, which is friendlier for teams watching burn. Both AI Digital Humans tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Soul Machines if you want the most established option — it has raised $135M, 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
Captions vs Soul Machines — which is better?
It depends on your priority. Captions is the leaner option; Soul Machines has broader feature depth. See the side-by-side table above.
Is Captions cheaper than Soul Machines?
Yes — Captions's cheapest paid plan is Pro · $9.99/mo, while Soul Machines's is Enterprise · Contact sales.
Do Captions and Soul Machines offer free plans?
Captions: Yes, has a free plan. Soul Machines: Paid only.
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