Seed 2.1 Pro
Seed 2.1 Pro is worth evaluating for vision when its provider route and context window match the workload.
Use it for
- Teams evaluating vision
- Buyers comparing 1 tracked provider route
Do not use it for
- Strict JSON or tool-calling flows
- Family
- Seed 2
- Released
- 2026-06-24
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Training
- Pretrained
Cheapest of 1 route · Volcengine
About
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.
Seed 2.1 Pro is a proprietary model in the Seed 2 family. The structured metadata tracks multimodal input and reasoning. This page tracks provider routes through Volcengine, with the cheapest tracked route listed at $0.83 input and $4.14 output per 1M tokens. No headline benchmark score is tracked for Seed 2.1 Pro yet.
Top use-case fit
Vision
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| Volcengine | $0.830 | $4.14 | Serverless |
Capabilities
Benchmark peer barsfor Vision
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Cheapest of 1 route · Volcengine