Runway Gen-4.5 vs Seedance 2.5: Price & Speed

Runway Gen-4.5 vs Seedance 2.5

Runway Gen-4.5 is cheaper at the tracked configurations. The better choice depends on latency, audio, resolution and workflow fit.

Metric	Runway Gen-4.5	Seedance 2.5
Provider	Runway	ByteDance via fal
Price / second	$0.12	$0.47
10-second clip	$1.20	$4.73
Tracked resolution	720p	720p
Native audio	No	Yes
Best for	High-quality production work and mature tooling	Production-grade reference control and longer takes

Metric

Runway Gen-4.5

Seedance 2.5

Provider

Runway

ByteDance via fal

Price / second

$0.12

$0.47

10-second clip

$1.20

$4.73

Tracked resolution

720p

Native audio

Yes

Best for

High-quality production work and mature tooling

Production-grade reference control and longer takes

Which should you choose?

Pick Runway Gen-4.5 for high-quality production work and mature tooling. Pick Seedance 2.5 for production-grade reference control and longer takes. Use the same prompt brief, aspect ratio and acceptance rubric across both.

Cost at production volume

At 1,000 ten-second generations, Runway Gen-4.5 is about $1200 and Seedance 2.5 is about $4730, before retries and ancillary fees.

Method

We prioritize first-party API pricing and explicitly label resolution and audio. Speed descriptions are directional unless the provider publishes a repeatable benchmark.