Seed-OSS-36B

model
ByteDance
Open-source 36B-parameter LLM with 512K context window. Achieves strong performance across reasoning, agent, and general tasks despite being trained on only 12T tokens. Released under Apache-2.0 license. AA Intelligence Index v4.0: 25 — not the lab's top score (Doubao Seed Code at 34 is higher), but the strongest open-weight ByteDance LLM as of May 2026.
GitHubHuggingFaceAnnouncementArtificial Analysis

Model Details

Architecture DENSE
Parameters 36B
Context window 512,000
Training tokens 12T
AA Intelligence 25
License Apache 2.0
open-weightscalingreasoningagentic

Related