Model prices / ByteDance (Doubao / Seed)

Doubao Seed 2.1 Lite API pricing

Official API pricing for Doubao Seed 2.1 Lite (ByteDance (Doubao / Seed)) on Volcano Engine Ark: cache and off-peak prices, context length, open weights and regional availability, with sources and check dates.

Context: 1.02M
Max output: 256K
Open weights: No
Current version: 2026-09-15

CN · CNY Volcano Engine Ark

doubao-seed-2-1-lite-260915

Tier	Input	Cached input	Cache write	Output
Standard	¥0.8≈$0.12	¥0.16≈$0.024	—	¥2.7≈$0.404

Mainland China YesOutside China Not statedOfficial payment Alipay, WeChat Pay, Online banking, Bank transfer

per 1M tokens · Source 2026-10-17

Standard online inference, non-audio input; audio input ¥12, audio cache hit ¥2.4. Cache storage ¥0.017 per 1M tokens per hour. Low-latency tier costs double; low-priority and batch about half

Source

https://docs.volcengine.com/docs/ark/model-list?lang=zh · 2026-10-17

≈ marks values converted at the ECB reference rate, for comparison only; the published currency is authoritative.