Model comparison
Seed 1.8 vs Seedance 2
Compare Seed 1.8 and Seedance 2: input/output $/Mtoken, context window, modalities, and license. OpenRouter-synced pricing.
Bytedance
Seed 1.8
Multimodal reasoning model for visual analysis, planning, and tool use
Bytedance
Seedance 2
Video model for prompt-guided generation, editing, and motion workflows
| Metric | Seed 1.8 | Seedance 2 |
|---|---|---|
| Provider | Bytedance | Bytedance |
| Context window | 256,000 | 4,096 |
| Input $/Mtok | $0.250 | $0 |
| Output $/Mtok | $2.00 | $0 |
| Modalities | text, vision | text, vision |
| License | closed | closed |
Quick take
On input price, Seedance 2 is cheaper at $0/Mtok. For context window, Seed 1.8 leads with 256,000 tokens.
Pick based on your workload: high-volume cheap inference vs long-document / agent loops. Enterprise DNA can wire either model into Omni with evals, secrets, and job orchestration.