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ByteDance: Seed OSS 36B Instruct

bytedance/seed-oss-36b-instruct

Model weights

Seed-OSS-36B-Instruct is a 36B-parameter instruction-tuned reasoning language model from ByteDance’s Seed team, released under Apache-2.0. The model is optimized for general instruction following with strong performance in reasoning, mathematics, coding, tool use/agentic workflows, and multilingual tasks, and is intended for international (i18n) use cases. It is not currently possible to control the reasoning effort.

Modalities

Context

131K

Released

Sep 2, 2025

Knowledge Cutoff

Jun 2025

ActivityFAQ

Activity

Token volume and request traffic to this model over time.

About ByteDance: Seed OSS 36B Instruct

OpenRouter makes ByteDance: Seed OSS 36B Instruct available through a unified, OpenAI-compatible API using the model ID bytedance/seed-oss-36b-instruct.

ByteDance: Seed OSS 36B Instruct accepts text and returns text. It has a 131,072-token context window.

It was released on September 2, 2025; its knowledge cutoff is June 30, 2025.

More models from ByteDance

  • Seedance 2.0 Mini
  • Seedance 2.5
  • Seedance 2.0

Frequently asked questions

Seed-OSS-36B-Instruct is a 36B-parameter instruction-tuned reasoning language model from ByteDance’s Seed team, released under Apache-2.0. The model is optimized for general instruction following with strong performance in reasoning, mathematics, coding, tool use/agentic workflows, and multilingual tasks, and is intended for international (i18n) use cases.

Seed OSS 36B Instruct has a 131,072 token context window.

UI-TARS 7B is another text model from ByteDance.

Seed OSS 36B Instruct was released on September 2, 2025. Its knowledge cutoff is June 30, 2025.