Seedance 1.5 Pro
ByteDance
Key facts · verified Oct 14, 2026
Seedance 1.5 Pro is a ByteDance video generation model released on 15 Dec 2025. Pricing: $2.40 per 1M tokens with audio, $1.20 without; half price offline (BytePlus ModelArk). It ranks #22 on LMArena's text-to-video leaderboard (Elo 1256, read 1 Nov 2026). Source: docs.byteplus.com.
ByteDance's Seedance 1.5 Pro video model on BytePlus ModelArk (model ID seedance-1-5-pro-251215). It generates 4- to 12-second clips at up to 1080p and 24 fps from text or from a first frame or first and last frames, with or without sound, and supports offline (batch) inference at half price.
Pricing & specs checkedSource: vendor documentation · checked Oct 14, 2026LMArena: 1256 Elo (rank 22) · source · retrieved Nov 1, 2026
Pricing
$2.40 per 1M tokens with audio, $1.20 without; half price offline (BytePlus ModelArk)
Context
Not published
LMArena Elo
LMArena rank
Key Features
Video Generation
Full Specifications
$2.40 per 1M tokens with audio, $1.20 without; half price offline (BytePlus ModelArk) | |
|---|---|
| Identity | |
| Developer | ByteDance |
| Released | Dec 2025 |
| Cost | |
| Price per second | Billed per token: $2.40 per 1M with audio, $1.20 without |
| Capacity | |
| Max duration | 12 seconds (4 to 12) |
| Max resolution | 1080p (480p, 720p, 1080p) |
| FPS | 24 |
| Capability | |
| Text-to-video | Yes |
| Image-to-video | Yes — first frame, or first and last frames |
| Native audio | Yes |
| Access | |
| API | Yes — BytePlus ModelArk |
| Measured quality | |
| LMArena Elo | 1256 (checked Nov 2026) |
| LMArena rank | Rank 22 |