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Seed 2.1 Turbo

Available
ByteDance SeedProprietary

The low-cost, low-latency tier of ByteDance's Seed 2.1 family (served as Doubao-Seed-2.1-turbo), built for large-scale production with full features and performance ByteDance positions as comparable to Seed 2.1 Pro. Shares the family's coding, long-chain agent, and multimodal-understanding focus and 256K-token context, priced for high-volume online calls. Proprietary; available via Doubao and Volcano Engine. List price ¥3 / ¥15 per million input/output tokens — roughly half the Pro tier.

Specifications

License
Proprietary
Weights
Not released
Architecture
unknown
Parameters
Undisclosed
Context window
256K tokens
Max output
Knowledge cutoff
Price (in / out, $/M)
Modalities
TextVisionVideoCode

Benchmarks

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Vendor-reported figures are claims until independently verified. See methodology.