Doubao-Seed-1.8
ByteDance Seed · released 2025-12-28
No price from the maker itself is on record for Doubao-Seed-1.8. The lowest of 4 providers is ZenMux: $0.11 per 1M input tokens and $0.28 per 1M output tokens (as of 2026-11-12). Context window: 256K tokens, up to 64K output tokens per request.
Price by providerUSD per 1M tokens
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
 ZenMuxLowestTiered pricingbytedance/ | $0.11 | $0.28 | $0.023 | LowestTiered pricing | Official docs |
3302.AITiered pricingdoubao-seed-1-8-251215 | $0.1143 | $0.286 | — | Tiered pricing | Official docs |
RRequestyseed-1.8 | $0.25 | $2 | $0.05 | Official docs | |
| ZenMuxDeprecatedvolcengine/ | $0.11 | $0.28 | $0.02 | Deprecated | Official docs |
 Volcengine ArkTiered pricingDeprecateddoubao-seed-1-8-251228 | $0.11875 | $1.18747 | $0.02375 | Tiered pricingDeprecated | Official docs |
Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.
About
ByteDance Seed model for multimodal reasoning, long-context analysis, and agent workflows
Description from models.dev.
Specs
- Type
- Text
- Context
- 256K
- Max output
- 64K
- Input
- Text, Image
- Output
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- No
- Knowledge cutoff
- 2025-01-01
- Open weights
- No
- Released
- 2025-12-28
Source
Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.