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Doubao Seed 2.0 Code

doubaodoubao/doubao-seed-2-0-code

API guide

Chat completion

cURL
curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"doubao/doubao-seed-2-0-code","messages":[{"role":"user","content":"用 TypeScript 写一个带类型守卫的 deepMerge 函数。"}]}'

Tool use

Supports OpenAI-shape function calling. Optimized for Chinese-language coding agents that combine repository search, terminal execution, and PR generation.

cURL
curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao/doubao-seed-2-0-code",
    "messages": [{"role":"user","content":"在这个仓库里找到所有使用 dayjs 的文件并替换为 date-fns。"}],
    "tools": [{"type":"function","function":{"name":"search_files","parameters":{"type":"object","properties":{"pattern":{"type":"string"}}}}}]
  }'
Fact ledger — every claim on this page traces here
sourceURLretrieved
Release dateseed.bytedance.com ↗2026-09-23verified
Architectureseed.bytedance.com ↗2026-09-23verified
Context windowstandard-models.yaml ↗2026-09-23verified
Training cutoff——unknown
Licenseseed.bytedance.com ↗2026-09-23verified
Inference backendswww.volcengine.com ↗2026-09-23verified
LiveCodeBench v6seed.bytedance.com ↗2026-09-23unknown
SWE-Bench Verifiedseed.bytedance.com ↗2026-09-23unknown
Codeforcesseed.bytedance.com ↗2026-09-23unknown
HumanEvalseed.bytedance.com ↗2026-09-23unknown
ByteDance releases Seed 2.0 family including dedicated Code variantseed.bytedance.com ↗2026-09-23verified
Is Seed 2.0 Code better than DeepSeek-V3.2 for coding agents?seed.bytedance.com ↗2026-09-23to verify
Does Seed 2.0 Code support fill-in-the-middle (FIM) completions?seed.bytedance.com ↗2026-09-23to verify
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