AIsphere vs Captions
Which Video AI tool is better in 2026?
AIsphere
Beijing-based company behind PixVerse, a fast-growing AI video generation platform for
Captions
AI that edits your video like a professional would.
Side-by-side
AIsphere is the more established option (raised $660M), but Captions is cheaper to start.
| Metric | AIsphere | Captions |
|---|---|---|
| Taglinei | Beijing-based company behind PixVerse, a fast-growing AI video generation platform for | AI that edits your video like a professional would. |
| Foundedi | 2023 | 2021🏆 |
| HQi | — | New York, US |
| Employeesi | 11-50 | 51-200🏆 |
| Neuron scorei | 72🏆 | 56 |
| Total fundingi | $660M🏆 | $75M |
| Latest roundi | Series C · Mar 2026 | Growth · Mar 2026 |
| Valuationi | $1B🏆 | — |
| Cheapest paid plani | Pricing not disclosed | Pro · $9.99/mo🏆 |
| Free plani | ✓ | ✓ Free |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Scale 4x · $279.99/mo |
| Pricing summaryi | Free | 6 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for AIsphere and Captions.
| Capability | AIsphere | Captions |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of AIsphere
- Has raised more capital ($660M vs $75M)
- Higher Neuron score (72 vs 56)
- Offers a free plan
- Offers a free trial
🔵 Strengths of Captions
- Lower starting price ($5/mo)
- More mature (2021)
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 Video tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose AIsphere if you want the most established option — it has raised $660M, 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
AIsphere vs Captions — which is better?
It depends on your priority. AIsphere has raised more capital and is the more established option; Captions is cheaper to start. See the side-by-side table above.
Is AIsphere cheaper than Captions?
No — Captions's cheapest paid plan is Pro · $9.99/mo, while AIsphere's is Free.
Do AIsphere and Captions offer free plans?
AIsphere: Yes, has a free plan. Captions: Yes, has a free plan.
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