Volcano Engine launches Seedance 2.5 Flash: ~34% cheaper, 2x faster video generation
火山引擎 · wechat · 2026-11-12
Volcano Engine (ByteDance) officially launched Seedance 2.5 Flash, a budget-oriented video generation model:
- Pricing: 0.99 RMB/second for 720P text-to-video and image-to-video, about 34% cheaper than Seedance 2.5
- Specs: up to 30 seconds per clip; accepts up to 10 images, 5 video and 5 audio inputs per request; 480P/720P resolutions
- Quality: reportedly beats the previous flagship Seedance 2.0 and comes closest to Seedance 2.5; the post includes a side-by-side comparison on a long telescope-ad prompt
- Availability: rolling out on JiMeng, LibTV, Updream, CreaoAI, TapNow; API on Volcano Ark on Nov 15
The article also shares the full production-grade prompt (shot design, consistency constraints, audio and subtitle specs), useful as a prompt-engineering reference.
Related event: ByteDance Launches Seedance 2.5 Flash: Twice the Speed, 34% Cheaper(5 posts)→
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