Last refreshed 2026-07-10. Next refresh: weekly.
Why use Seed 2.1 Pro on Volcengine?
Volcengine offers Seed 2.1 Pro with pay-as-you-go pricing at $0.83/1M input tokens. Volcengine is ByteDance's cloud platform offering comprehensive AI APIs including Doubao LLMs for multimodal generation and inference with Chinese market optimization.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: doubao-seed-2-1-pro-260628doubao-seed-2-1-pro-260628Request example
doubao-seed-2-1-pro-260628.Gotchas
- Use provider model ID "doubao-seed-2-1-pro-260628", not the LLMReference slug "seed-2.1-pro".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.83 |
| Output tokens | $4.14 |
Capabilities
About Seed 2.1 Pro
ByteDance Doubao Seed 2.1 Pro is the flagship deep thinking model in the Seed 2.1 series, announced June 23-24, 2026 at the Volcano Engine annual conference. Designed for high-complexity exploration scenarios including complex coding engineering delivery, long-chain agent task execution, and multimodal understanding — three directions where ByteDance claims comprehensive upgrades over Seed 2.0. Benchmarks cited internally position it at Claude Opus 4.6–4.7 class. Native Volcano Engine pricing is ¥6/MTok input, ¥30/MTok output (approximately $0.83/$4.14 USD at 7.25 CNY/USD). Access available through Coze ecosystem and Volcano Engine API.