Text-to-video APIs

Runway's Gen-4.5 video model on the developer API at 12 credits per second. The pricing row does not name a resolution.

Alibaba's HappyHorse video model. Runway Dev prices 720p and 1080p. Alibaba's API reference lists duration and aspect ratio, including 9:16.

Kling 4.0 on Runway Dev, with audio always on. The standing list rate is 15.7 credits/s at 720p and 23.5 at 1080p. A separate 20% promo through 30 November 2026 UTC is not the standing price.

Google Veo 3.1 on Runway Dev, with a higher rate when audio is on. The table does not attach those rates to a resolution.

The lite Grok Imagine Video tier on Runway Dev. 720p is 3 credits per second before the start-frame credit.

Runway Act-Two performance model at 5 credits per second on the developer price table.

Runway Gen-4 Turbo on the developer API at 5 credits per second. Resolution is not on that row.

Kling 3.0 on Runway Dev, with separate per-second rates when audio is off and on. Resolution is not stated on that table.

Gemini Omni Flash video on Runway Dev. Text-to-video and image-to-video are 10 credits per second, plus a first-frame credit for image-to-video.

Gemini Omni Flash 1.1 on Runway Dev, with separate 360p, 720p, 1080p, and 4K rates plus reference charges.

The fast Veo 3.1 tier on Runway Dev. Audio and no-audio rates are both published, without a resolution label.

Alibaba Wan 3.0 as priced on Runway Dev, with separate 480p, 720p, and 1080p rates.

Kuaishou's Turbo Pro video model, billed per second on Runway Dev. The pricing table does not state the output resolution.

Kling O3 on Runway Dev. Standard, Pro, and 4K are separate rates, and video-to-video is billed on the input duration.

Wan 3 Prime on Runway Dev. Higher per-second rates than Wan 3.0 at the same labeled resolutions.

Seedance 2.0 Mini on Runway Dev, priced at 480p and 720p with a 28 credit minimum.

xAI's Grok Imagine Video 1.5 on Runway Dev, with 480p, 720p, and 1080p rates plus one credit per image or audio reference.

Faster Seedance 2.0 tier on Runway Dev. The table lists 480p and 720p, not 1080p or 4K.

Runway Aleph 2.0, priced at 28 credits per second with a 56 credit minimum. Used for video editing and restyling rather than a fresh text-to-video clip.

Seedance 2.0 on Runway Dev, with published 480p, 720p, 1080p, and 4K per-second rates and a 56 credit minimum.

ByteDance Seedance 2.5 on Runway Dev. Output seconds are billed by resolution, and input or reference video adds a second charge.

Kling 3.0's 4K tier on Runway Dev. The page says the rate does not change when audio is toggled.

MiniMax Hailuo 3 on Runway Dev. Rates are labeled 768P and 2K, so they are not filed under 720p, 1080p, or 4K.

Stylized video generation. Price left blank.

Luma's Ray video models. The docs page checked on 2026-11-03 pointed at billing but did not expose a per-second dollar rate in the extract.

MiniMax H3 Max on Runway Dev, priced at 480p and 768p. Those labels are not 720p, 1080p, or 4K.

Pika's video product and effects tools. No per-second price was taken from an official page in this pass.

PixVerse text-to-video and effects product. Price fields are blank because an official per-second table was not captured in this pass.

Shengshu's Vidu video model. Listed without a price because no official per-second figure was captured on 2026-11-03.