👋 Hi, everyone! We are ByteDance Seed Team. You can get to know us better through the following channels👇 Seed OSS Open Source Models [!NOTE] This model card is dedicated to the Seed OSS 36B Base Instruct model. News [2025/08/20]🔥We release Seed OSS 36B Base (both with and without synthetic data versions) and Seed OSS 36B Instruct . Introduction Seed OSS is a series of open source large language models developed by ByteDance's Seed Team, designed for powerful long context, reasoning, agent and general capabilities, and versatile developer friendly features. Although trained with only 12T tokens, Seed OSS achieves excellent performance on several popular open benchmarks. We release this series of models to the open source community under the Apache 2.0 license. [!NOTE] Seed OSS is primarily optimized for international (i18n) use cases. Key Features Flexible Control of Thinking Budget : Allowing users to flexibly adjust the reasoning length as needed. This capability of dynamically controlling the reasoning length enhances inference efficiency in practical application scenarios. Enhanced Reasoning Capability : Specifically optimized for reasoning tasks while maintaining balanced a…
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