Runway API prices

Gen-4.5 API pricing.

Gen-4.5 costs from $0.120 per second at 720p through Runway, $1.20 for a 10-second clip.

Cheapest by resolution

Cheapest Gen-4.5 API provider at each resolution, US dollars
ResolutionCheapestPer second10 s clipOfficialDearest
720pvideo only · 4 offersRunway$0.120$1.20$0.120Runway$0.120

Every provider

At 720p, a 10-second Gen-4.5 clip costs $1.20 at all 4 offers. Gen-4 Turbo costs $0.05 per second at the same resolution, so Gen-4.5 is 140% dearer.

Gen-4.5 API prices at every provider, US dollars per second
ProviderResAudioPer second10 s clipBilled as
Runwayofficial720pNo$0.120cheapest$1.2012 USD credits per second
OpenRouter720pNo$0.120cheapest$1.200.12 USD per second
Replicate720pNo$0.120cheapest$1.200.12 USD per second
Runware720pNo$0.120cheapest$1.200.12 USD per second

USD per second of output before tax. Token, credit and yuan prices converted as described in the method. * Not confirmed on the provider's own page. Provider links go to each price's source.

What Gen-4.5 offers

Gen-4.5 is sold at 720p, without sound, by 4 API providers. None of them sells a mode that edits an existing video.

The closest rival at this price is Vidu Q3 (Vidu), $0.65 for 10 seconds at 720p through Runware, 46% cheaper; it tops out at 1080p, against 720p for Gen-4.5.

Look elsewhere when

  • You need the model to make the sound: every offer is silent.
  • Price matters most: Gen-4 Turbo is the cheapest Runway model at 720p, $0.50 for 10 seconds.
  • You deliver above 1080p: no provider sells Gen-4.5 above 720p.
  • You need to edit existing footage: no provider sells a video input mode for it.

What a short piece costs

A 30-second piece made of three 10-second shots, with three takes of each to pick from, is nine renders at 720p: about $10.80 at the cheapest providers.

Further reading

Using Higgsfield for these models? Do it from your Mac.

Jutsu Studio is a free, open-source Mac app for Higgsfield: Seedance, Kling, Wan, Genjutsu and the rest of its models.

  • The price is on the button before a job runs
  • A queue, cheap drafts first and a daily spending cap
  • Every result kept in a local library
Download for MacFree · macOS 14+ · v0.2.5 · 18 MB

FAQ.

What is the cheapest Gen-4.5 API?

Gen-4.5 costs from $0.120 per second at 720p through Runway, $1.20 for a 10-second clip. Prices checked October 28, 2026.

How much does the official Gen-4.5 API cost?

Runway lists $0.120 per second at 720p, $1.20 for 10 seconds, billed as 12 USD credits per second.

How much is a 10-second Gen-4.5 video?

720p: from $1.20 (Runway). Clips longer than a model allows are made from several generations.

What resolutions does the Gen-4.5 API offer?

720p, 720p at most. It makes no sound.

How much does a 30-second Gen-4.5 video cost?

A 30-second piece made of three 10-second shots, with three takes of each to pick from, is nine renders at 720p: about $10.80 at the cheapest providers.

What is the closest alternative to Gen-4.5?

The closest rival at this price is Vidu Q3 (Vidu), $0.65 for 10 seconds at 720p through Runware, 46% cheaper; it tops out at 1080p, against 720p for Gen-4.5.

How many providers sell Gen-4.5 by API?

4 providers, with 4 live offers across resolutions, audio and modes.