Doubao Seed 1.6 Thinking is a ByteDance Doubao model exposed on the Huzz API with a single Huzz key and one consistent, OpenAI-compatible interface. Capabilities: Vision, Chat. It supports streaming responses. Long-running jobs run asynchronously with polling. Call it at https://api.huzz.ai using Authorization: Bearer $HUZZ_API_KEY — no per-provider accounts or SDKs required.
FamilyCapabilitiesStreamingAsyncPricing
ByteDance DoubaoVision, ChatYesYesUsage-based

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Endpoints

MethodPathCapability
POST/api/v3/doubao/doubao-seed-1-6-thinking-250615/image-analysisVision
POST/v1/chat/completionsChat
POST/v1/responsesChat
POST/api/v3/doubao/doubao-seed-1-6-thinking-250615/text-to-textChat

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Code samples

Authenticate with Authorization: Bearer $HUZZ_API_KEY — get a key at huzz.ai/register. 
curl https://api.huzz.ai/v1/chat/completions \
  -H "Authorization: Bearer $HUZZ_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seed-1-6-thinking-250615",
    "messages": [{"role": "user", "content": "Hello from Huzz!"}]
  }'
Long-running jobs return a prediction id. See Async predictions for the full submit-and-poll lifecycle. This model supports token streaming — see the Streaming guide.