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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
| source | URL | retrieved | |
|---|---|---|---|
| Release date | seed.bytedance.com ↗ | 2026-09-23 | verified |
| Architecture | seed.bytedance.com ↗ | 2026-09-23 | verified |
| Context window | standard-models.yaml ↗ | 2026-09-23 | verified |
| Training cutoff | — | — | unknown |
| License | seed.bytedance.com ↗ | 2026-09-23 | verified |
| Inference backends | www.volcengine.com ↗ | 2026-09-23 | verified |
| LiveCodeBench v6 | seed.bytedance.com ↗ | 2026-09-23 | unknown |
| SWE-Bench Verified | seed.bytedance.com ↗ | 2026-09-23 | unknown |
| Codeforces | seed.bytedance.com ↗ | 2026-09-23 | unknown |
| HumanEval | seed.bytedance.com ↗ | 2026-09-23 | unknown |
| ByteDance releases Seed 2.0 family including dedicated Code variant | seed.bytedance.com ↗ | 2026-09-23 | verified |
| Is Seed 2.0 Code better than DeepSeek-V3.2 for coding agents? | seed.bytedance.com ↗ | 2026-09-23 | to verify |
| Does Seed 2.0 Code support fill-in-the-middle (FIM) completions? | seed.bytedance.com ↗ | 2026-09-23 | to verify |