Seed 1.8 (251228) (ByteDance) vs Seed 1.6 Flash (250715) (ByteDance)
Seed 1.6 Flash (250715) (ByteDance) is cheaper on output tokens. Choose Seed 1.8 (251228) (ByteDance) or Seed 1.6 Flash (250715) (ByteDance) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Seed 1.8 (251228) (ByteDance) | Seed 1.6 Flash (250715) (ByteDance) |
|---|---|---|
| Provider | LLM Gateway | LLM Gateway |
| Input / 1M tokens | $0.25 | $0.07 |
| Output / 1M tokens | $2.00 | $0.30 |
| Context window | 256K | 256K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Dec 2025 | Jul 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.