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Gen4.5: API pricing, providers and specs

Videoby RunwayProprietary (API only)

Gen4.5 is a video model by Runway. 2 providers serve it, from $0.096 to $0.12 /sec; the lowest price is at CometAPI.

Lowest price$0.096/secat CometAPI
Maker's price—The maker does not sell it
Providers2
Monthly searches—

How Gen4.5 compares

Against the 210 video models on the site priced the same way.

  • Pricey for its class: at $0.096 /sec, its lowest price is above 82% of comparable models (median $0.05).
  • On LMArena's Text-to-Video board it ranks #8 of the 8 comparable models scored there.
  • 2 providers serve it; 51% of comparable models have fewer.

Gen4.5 prices by provider

Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.

ProviderTaskOutput
CometAPI—$0.096/sec
Replicate—$0.12/sec
Output price by provider, /sec, cheapest first
  1. CometAPI$0.096
  2. Replicate$0.12
Prices in US dollars, updated daily from each provider. Prices last checked Oct 26, 2026.

Specs

Type
Video
Maker
Runway
Inputs
Text
Outputs
Video
Capabilities
—
Released
—
License
proprietary
Open weights
No, API only
Arena score
1225Text-to-Video

Alternatives to Gen4.5

Same kind of model from other makers, at a similar price.

ModelLowest priceArenaProviders
Gen4.5this model$0.096/sec12252
Seedance 2.5$0.082/sec147710
Seedance 2.0$0.04/sec147912
Sora-2$0.08/sec13435
Veo 3.1$0.16/sec13989
Kling 3.0$0.07/sec—4
Kling V4.0$0.085/sec—4
MiniMax H3 Max$0.048/sec—6
Wan 2.5$0.034/sec13215

More from Runway

Gen4.5 FAQ





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