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·New Model·Updated for Doubao 1.6 Thinking release-date and AIME 2025 queries·中文版本 →·Русская версия →

Doubao 1.6 Thinking Release Date, AIME 2025 Score & 256K API

Looking for the Doubao 1.6 Thinking release date or its AIME 2025 reasoning positioning? TheRouter exposed ByteDance's Seed 1.6 thinking-mode route on June 5, 2026 with a 256K context window, explicit reasoning_tokens accounting, and $0.22/M input / $2.24/M output pricing. Use this page as the operational answer for model ID, provider routing, pricing, and when to test it against AIME-style math or coding-agent traces.

Highlights for Doubao 1.6 Thinking searchers

  • Release status: live on TheRouter since June 5, 2026 under the model alias bytedance/doubao-seed-1.6-thinking.
  • 256K context — generous room for multi-turn agent transcripts, benchmark prompts, and long coding-agent traces.
  • AIME 2025 benchmark guidance — use the route for AIME-style math and coding-agent evaluations; keep benchmark comparisons tied to your own prompts before publishing claims.
  • Explicit reasoning trace in completion_tokens_details.reasoning_tokens, plus CN-region sourcing via bytedance partner capacity.

Release date and AIME 2025 positioning

If you landed here from queries like doubao 1.6 thinking release dateor doubao 1.6 thinking AIME 2025 score, the operational answer is: TheRouter exposed Doubao Seed 1.6 Thinking on June 5, 2026with a 256K context window and reasoning-token reporting. For AIME 2025 score research, treat public benchmark numbers as a starting point, then run your own deterministic eval set through TheRouter before routing production coding-agent traffic or publishing comparison claims.

Pricing & capabilities

PropertyValue
Standard aliasbytedance/doubao-seed-1.6-thinking
Input price$0.22 / 1M tokens
Output price$2.24 / 1M tokens
Context256,000 tokens
CapabilitiesStreaming · Reasoning · JSON mode
Served viabytedance (CN-region partner capacity)

Prices shown are launch-time figures; see each model page for the current billed rate.

Try it

curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance/doubao-seed-1.6-thinking",
    "messages": [{"role": "user", "content": "Plan the steps to debug a flaky test."}],
    "provider": {"only": ["bytedance"]}
  }'

See the models reference · more launches on the blog.

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