ByteDance multimodal audio-video model with up to 30-second single-pass generation, multi-round extension, reference inputs and timestamp-level editing.

bytedance-seed/seedance-2.5 2026-07-31 Not documented context Input not listed Output not listed
1 provider
Reasoning Tools JSON

Faster ByteDance Seed 2.1 model for multimodal reasoning and latency-sensitive agent workflows

bytedance-seed/seed-2.1-turbo 2026-06-23 256K context $0.354/M input $1.77/M output
8 providers

ByteDance unified multimodal audio-video model supporting text, image, video and audio references, editing, extension and synchronized stereo sound.

bytedance-seed/seedance-2.0 2026-02-12 Not documented context Input not listed Output not listed
1 provider
Reasoning Tools JSON

ByteDance Seed model for long-context reasoning, instruction following, and tool-assisted tasks

bytedance-seed/seed-1-6 2025-10-15 256K context $0.119/M input $1.187/M output
4 providers