Seed 2.0 Code Preview - GENGEN API

Seed 2.0 Code Preview is the coding-oriented Seed 2.0 model exposed through Chat Completions. It shares the Seed 2.0 Pro prompt tiers while targeting long-context code understanding, generation, and agent workflows.

Model ID

seed-2-0-code-preview-260328

Pass this exact public ID in the top-level model field. Do not substitute an upstream provider alias.

Supported modes

chat_completions
text_generation

Inputs

Text
Image
Video

Outputs

Text

Capabilities

Chat completions
Text generation

Additional capabilities

Online inference
Streaming output
Context caching

Technical details

Property	Value
Provider	`byteplus-modelark`
Modality	`reasoning`
Processing	`Synchronous response`
Endpoint	`/api/gengen/v1/chat/completions`
Rate limit	`30K`
Context window	`256K`
Max input tokens	`256K`
Max output tokens	`128K`
Max reasoning tokens	`128K`
Token rate limit	`1500K`

Availability and final customer prices can change. Check the Dashboard model catalog before production use.

See the API reference overview for authentication, request conventions, and response schemas.

Seed 2.0 Pro DeepSeek V4 Flash

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