Reactor vs Synthesia
Which Video AI tool is better in 2026?
Reactor
Real-time AI video generation with near-zero time to first frame
Synthesia
AI video creation platform with realistic avatars.
Side-by-side
Synthesia leads on both fronts — more capital raised ($802.4M) and a lower entry price than Reactor.
| Metric | Reactor | Synthesia |
|---|---|---|
| Taglinei | Real-time AI video generation with near-zero time to first frame | AI video creation platform with realistic avatars. |
| Foundedi | 2025 | 2017🏆 |
| HQi | San Francisco, US | London, GB |
| Employeesi | 1-10 | 201-500🏆 |
| Neuron scorei | 54 | 71🏆 |
| Total fundingi | $59M | $802.4M🏆 |
| Latest roundi | Series A · May 2026 | Series E · Jan 2026 |
| Valuationi | — | $4B🏆 |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Custom Pricing · Contact sales |
| Pricing summaryi | Free trial | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Reactor and Synthesia.
| Capability | Reactor | Synthesia |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (Python, Node.js) |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Reactor
- Offers a free trial
- Newer company (2025)
🔵 Strengths of Synthesia
- Has raised more capital ($802.4M vs $59M)
- Higher Neuron score (71 vs 54)
- Lower starting price ($22/mo)
- More mature (2017)
Which should you choose?
Choose Synthesia if price matters most — it starts at Paid · From $22/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 Synthesia if you want the most established option — it has raised $802.4M, 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.
💸 Deals
Save 20% on Synthesia annual plan
20% off any Synthesia annual plan. Create AI avatar videos in 140+ languages.
NEURON Frequently asked questions
Reactor vs Synthesia — which is better?
It depends on your priority. Reactor is the leaner option; Synthesia is cheaper to start. See the side-by-side table above.
Is Reactor cheaper than Synthesia?
No — Synthesia's cheapest paid plan is Paid · From $22/mo, while Reactor's is Free trial.
Do Reactor and Synthesia offer free plans?
Reactor: Free trial only. Synthesia: Paid only.
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