ByteDance Seedance 2.5 Video

Generate next-generation audio-visual video with extended duration through Frevana's OpenRouter video endpoint using bytedance/seedance-2.5.

Model Characteristics

Model ID: bytedance/seedance-2.5 (variant: bytedance/seedance-1-5-pro)
Resolutions: Seedance 2.5 supports 480p and 720p (default); Seedance 1.5 Pro also supports 1080p
Aspect Ratios: 16:9 (default), 4:3, 1:1, 3:4, 9:16, 21:9; Seedance 1.5 Pro also supports 9:21
Durations: Seedance 2.5 supports 4 to 30 seconds; Seedance 1.5 Pro supports 4 to 12 seconds (default: 5)
Frame Control: Supports both first_frame and last_frame (image-to-video)
Input References: Seedance 2.5 supports reference images, audio, and video; Seedance 1.5 Pro supports reference images only
Audio: Synchronized audio generation supported (default: enabled)
Seed: Deterministic integer seed supported
Passthrough Controls: watermark