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Short answer
As of 17 October 2026, Seedance 2.0 on the Runway API costs $0.360/s at 720p, against $0.110/s for Seedance 2.0 on the KreatorFlow API: 69% less. It is the same ByteDance model on both. Every price below is sourced and dated.
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What does Runway API cost?
Prepaid credits at $0.01 each, billed per second of output; some models add per-second charges for input video or a minimum per generation. Here is every setting where the KreatorFlow API costs less, for the same resolution and the same model:
| Setting | KreatorFlow API | Runway API |
|---|---|---|
| Seedance 2.0 vs Seedance 2.0, 480p | Seedance 2.0 $0.076/s | $0.360/s (KreatorFlow 78% less) |
| Seedance 2.0 vs Seedance 2.0, 720p | Seedance 2.0 $0.110/s | $0.360/s (KreatorFlow 69% less) |
| Seedance 2.0 vs Seedance 2.0, 1080p | Seedance 2.0 $0.240/s | $0.400/s (KreatorFlow 40% less) |
| Seedance 2.0 vs Seedance 2.0, 4K | Seedance 2.0 $0.580/s | $1.500/s (KreatorFlow 61% less) |
| Seedance 2.5 vs Seedance 2.5, 480p | Seedance 2.5 $0.143/s | $0.200/s (KreatorFlow 28% less) |
| Seedance 2.5 vs Seedance 2.5, 720p | Seedance 2.5 $0.207/s | $0.300/s (KreatorFlow 31% less) |
| Seedance 2.5 vs Seedance 2.5, 1080p | Seedance 2.5 $0.444/s | $0.680/s (KreatorFlow 34% less) |
| Seedance 2.0 Fast vs Seedance 2.0 Fast, 480p | Seedance 2.0 Fast $0.058/s | $0.290/s (KreatorFlow 79% less) |
| Seedance 2.0 Fast vs Seedance 2.0 Fast, 720p | Seedance 2.0 Fast $0.084/s | $0.290/s (KreatorFlow 70% less) |
| Seedance 2.0 Mini vs Seedance 2.0 Mini, 480p | Seedance 2.0 Mini $0.058/s | $0.160/s (KreatorFlow 63% less) |
| Seedance 2.0 Mini vs Seedance 2.0 Mini, 720p | Seedance 2.0 Mini $0.067/s | $0.160/s (KreatorFlow 57% less) |
Without a video input. Prices in US dollars before tax, on each provider's own page on the date shown. Only settings where the KreatorFlow API costs less are listed.
Sources, as checked:
- Runway API pricing (docs.dev.runwayml.com), checked 17 October 2026: docs.dev.runwayml.com/guides/pricing/
How do the KreatorFlow API and the Runway API compare?
The main facts side by side, from each side's own pages:
| KreatorFlow API | Runway API | |
|---|---|---|
| Models | Seedance 2.0, 2.0 Fast, 2.0 Mini and 2.5 (ByteDance), plus Seedream images and audio | Seedance 2.0, 2.0 Fast, 2.0 Mini and 2.5 (resold), plus Runway's own Gen-4.5 and other providers' models |
| Billing | Prepaid tokens of $0.05, per second of output video, quoted before each job runs; input video billed at a reduced rate | Prepaid credits at $0.01 each, billed per second of output; some models add per-second charges for input video or a minimum per generation. |
| Clip length and resolution | 4 to 15 s on Seedance 2.0; 480p, 720p, 1080p and 4K | Up to 30 seconds at 480p, 720p and 1080p, with image, video and audio references |
| References | Up to 9 images, 3 video clips and 3 audio clips per job | Up to 30 seconds at 480p, 720p and 1080p, with image, video and audio references |
| Job results | Signed webhooks or polling, plus an MCP server for Claude and ChatGPT | Node.js and Python, with built-in task polling |
Competitor details as read on the pages listed below; KreatorFlow details from its API model list.
Sources, as checked:
- Runway API models (docs.dev.runwayml.com), checked 17 October 2026: docs.dev.runwayml.com/guides/models/
- Runway API SDKs (docs.dev.runwayml.com), checked 17 October 2026: docs.dev.runwayml.com/api-details/sdks/
Where is the gap biggest?
Seedance 2.0 Fast at 480p: $0.290/s on the Runway API against $0.058/s for Seedance 2.0 Fast on KreatorFlow, 79% less.
At every setting we read on the Runway API pricing page, the KreatorFlow API costs less.
How do you switch from the Runway API?
- Create an API key in the KreatorFlow developer console and top up tokens.
- Send POST /v1/videos with a model, prompt, duration, resolution and aspect ratio; the response quotes the job's cost before it runs.
- Receive the result by signed webhook, or poll GET /v1/jobs/{id}, then download the file.
- Pass reference images, clips or audio by URL or upload; video edits and characters have their own endpoints.
Who runs the models on KreatorFlow?
KreatorFlow is an official BytePlus partner. Built on BytePlus, ByteDance's official AI platform. The API serves ByteDance's Seedance video models and Seedream image models.
How we compared
Competitor prices were read on the Runway API pricing page on 17 October 2026. KreatorFlow prices come from the developer API rate card, the same code that quotes and bills your jobs. Rows show only settings where KreatorFlow costs less; percentages are rounded down. Prices change, so check both pages before you buy.
Other video APIs we compared: Veo 3.1 (Gemini API) and Luma API (Ray3.2), on the AI video API pricing page.
Frequently asked questions
Is the KreatorFlow API cheaper than the Runway API?
At the 11 settings listed on this page, yes: for example $0.110/s against $0.360/s at 720p. That covers every setting we read on its pricing page.
Is Seedance on KreatorFlow the same model as on the Runway API?
Yes. Both serve ByteDance's Seedance models; the difference is the price per second and the API around it.
How is the KreatorFlow API billed?
With prepaid tokens of $0.05. Each video job is billed per second of output at a rate that rises with resolution, quoted before it runs. A job that takes video in also bills the input seconds at a reduced rate.
Does the KreatorFlow API have webhooks?
Yes. Pass a webhook URL and the API posts a signed event when the job finishes; you can also poll the job.
Can I use the KreatorFlow API from Claude or ChatGPT?
Yes, through its MCP server, which exposes the same video, image and audio tools.