Apostle

Runway Gen-4 vs Synthesia

Last verified: April 1, 2026
Runway
8/10
vs
Synthesia
7.3/10

We have tested both Runway Gen-4 and Synthesia extensively in production. Runway scores higher overall (8.0/10 vs 7.3/10), but Synthesia may be the better choice depending on your specific needs. Runway is more affordable starting at $12/month. For quality-critical work, we reach for the higher-rate...

Best for quality: Runway Best for ease of use: Synthesia

Feature comparison

Feature Runway Synthesia
Max Resolution 4K 1080p
Max Video Length 16s N/A
Text to Video
Image to Video
Video to Video
Native Audio
Lip Sync
Character Consistency
Camera Control
API Available
Open Source
Batch Processing
Commercial License
Quality 9.2 7.5
Speed 7.5 9
Value 6 6
Ease of Use 8.5 9.5
Overall Rating 8 7.3

Pricing comparison

Pricing Runway Synthesia
Free Tier 125 credits, watermarked 1 free demo video
Starting Price $12/mo $22/mo
Pro Tier $35/mo $67/mo
Enterprise $95/mo N/A
API Cost/Second $0.12 N/A
Pricing Model credits subscription

Which should you choose?

We have tested both Runway Gen-4 and Synthesia extensively in production. Runway scores higher overall (8.0/10 vs 7.3/10), but Synthesia may be the better choice depending on your specific needs. Runway is more affordable starting at $12/month. For quality-critical work, we reach for the higher-rated option. For volume production where cost matters, both offer comparable value.

Key differences

  • Runway outputs at 4K while Synthesia maxes out at 1080p

Frequently asked questions

Is Runway or Synthesia better for beginners?
Synthesia has a more intuitive interface. Runway scores 8.5/10 for ease of use, while Synthesia scores 9.5/10.
Which is cheaper, Runway or Synthesia?
Runway starts at free, while Synthesia starts at free. Credits do not roll over. ~25 credits per second of Gen-4 video. Enterprise tier includes priority processing.
Can I use Runway and Synthesia together?
Yes. Many production teams, including ours at Apostle, use multiple AI tools for different stages of a project. You might use one tool for exploration and another for final delivery.

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