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doubao-seed-2-1-pro-260915ChatExamples verified 2026-09-25

Doubao Seed 2.1 Pro (260915)

Newer Doubao Seed 2.1 Pro: 1M context, 256K max output, single-tier pricing, thinks by default; ignores tool_choice.

Official price
$0.8824 / $4.41/ 1M tokensInput / output
Context window
1M tokens1,048,576
Notes
  • 2.1 Pro, 2.1 Turbo, 2.0 Mini and Evolving think by default and return the thinking in reasoning_content; Character does not think.
  • Evolving and 2.1 Pro (260915) ignore tool_choice; to force or disable tool calls, pick 2.1 Pro (260628) or 2.1 Lite. 2.1 Pro (260915) and 2.1 Lite do not support logprobs.
  • Image URLs must be publicly downloadable; for private or authenticated links, send base64 instead.
  • Streaming (with usage) and context caching are supported; cache hits are billed at the cached-input price.
Read the integration guideJSON Schema

Pricing

Official price in USD. Actual charge = official price × group multiplier.

Input
$0.8824 / 1M tokens
Cached input
$0.1765 / 1M tokens
Output
$4.41 / 1M tokens

Endpoints

Same family

doubao-seed-evolvingdoubao-seed-character-260628doubao-seed-2-1-turbo-260628doubao-seed-2-1-pro-260628doubao-seed-2-1-lite-260915doubao-seed-2-0-mini-260428

Prices come from the public catalog; limits come from specs exported from the gateway’s validation code. Actual charge = official price × group multiplier.