gpt-oss — Pantheon
  
- 

  
  
  
  
  
  
  
  
  
  
  
  
- 
  
  
  

  
    
      [← Pantheon](../)
      [copy as markdown](index.md)
    

    # gpt-oss

    
OpenAI · Aug 2025 · a release name for two models — this URL points onward
    
gpt-oss was the release, not the model: OpenAI shipped two open-weight models under the name on 5 August 2025, and each has its own page — [gpt-oss-120b](../gpt-oss-120b/) (~117B MoE, o4-mini-class, 80GB-GPU tier) and [gpt-oss-20b](../gpt-oss-20b/) (~21B MoE, o3-mini-class, 16GB tier).
    
[← back to the Pantheon](../)