Runway Gen-4.5 API Pricing

Runway's latest general-purpose video model in the Gen-4 family, emphasizing consistent characters, objects, and world coherence across shots from reference images. Available on the Runway Developer API at 12 credits/second, alongside the cheaper Gen-4 Turbo tier (5 credits/second); output is 720p native without native audio. Tracked across 1 providers · 2 price points · billed per-second — all normalized to cost per second.

$0.050/second
cheapest verified rate · Runway (official) · turbo tier · 720p · audio off · checked Jul 30, 2026

Try Runway (official) Full cheapest ranking

Runway Gen-4.5 pricing — quick facts

  • Cheapest verified rate: $0.050/second on Runway (official) (turbo, 720p, audio off) — checked Jul 30, 2026.
  • Across 1 providers, Runway Gen-4.5 runs $0.050–$0.12/second (2.4× spread).
  • A 5-second clip costs $0.25 at the cheapest verified rate, up to $0.60 at the priciest tracked tier.

Bottom line: Runway (official) at $0.050/s is both the cheapest verified and the sensible default choice.

Every Runway Gen-4.5 price, by provider

Sorted by normalized $/second. Hover a price for its derivation; every row links to the provider's published source. Range: $0.050$0.12/s (2.4× spread).

ProviderTrustModeTierResAudio$ / second5s clipVerifiedSource
Runway (official)CHEAPEST VERIFIEDTry →highText → Videoturbo720p$0.050$0.25verified Jul 30, 2026source ↗
Runway (official)highText → Videostandard720p$0.12$0.60verified Jul 30, 2026source ↗
How each price was normalized (derivations & sources)
  • Runway (official) · turbo · 720p: Official Runway Developer API: gen4_turbo = 5 credits/second x $0.01/credit = $0.05/s; Gen-4 Turbo tier at 720p native, no native audio source ↗
  • Runway (official) · standard · 720p: Official Runway Developer API: gen4.5 = 12 credits/second x $0.01/credit = $0.12/s; 720p native, no native audio source ↗

What a clip actually costs

At the cheapest verified rate vs the most expensive tracked rate.

Clip lengthCheapest (Runway (official))Most expensive trackedYou save
5 seconds$0.25$0.60$0.35
10 seconds$0.50$1.20$0.70
15 seconds$0.75$1.80$1.05

Estimate your own volume with the cost calculator.

Choosing a Runway Gen-4.5 provider

Computed from the live dataset — cheapest first. “+” is why you'd pick it, “−” is why you'd skip it.

Runway (official) high

from $0.050/s · turbo · 720p
  • Cheapest verified rate we track: $0.050/s
  • First-party API from the model's developer
  • Simple per-second billing

Runway Gen-4.5 pricing FAQ

How much does the Runway Gen-4.5 API cost?
Runway Gen-4.5 API pricing ranges from $0.050 to $0.12 per second of generated video depending on provider, resolution and tier — a 2.4x spread. The cheapest verified 720p rate is $0.050/second on Runway (official).
What is the cheapest Runway Gen-4.5 API provider?
As of July 2026, the cheapest verified Runway Gen-4.5 rate at 720p is $0.050 per second on Runway (official) (turbo tier, audio off).
How much does a 5-second Runway Gen-4.5 video cost?
At the cheapest verified rate ($0.050/s on Runway (official)), a 5-second clip costs about $0.25. At the most expensive tracked rate it would cost $0.60 — provider choice matters more than most developers expect.
How is Runway Gen-4.5 priced?
Across the 2 price points we track, Runway Gen-4.5 is billed per second of generated video. We normalize every scheme to USD per second of output video so providers can be compared directly. Full derivations are shown per row and on our methodology page.

Compare with other models