GPT-OSS 20B
OpenAI Released December 2025
OpenAI's efficient open-weight reasoning model for resource-constrained deployments
GPT-OSS 20B
OpenAI • December 2025
Training Data
Up to August 2025
GPT-OSS 20B
December 2025
Parameters
20 billion
Training Method
Efficient Open-weight Training
Context Window
128,000 tokens
Knowledge Cutoff
August 2025
Key Features
Open Weights • Efficient • Edge Deployment • Reasoning Capable
Capabilities
Efficiency: Outstanding
Reasoning: Very Good
Deployment: Outstanding
What's New in This Version
Efficient open-weight model for teams with limited infrastructure resources
OpenAI's efficient open-weight reasoning model for resource-constrained deployments
What's New in This Version
Efficient open-weight model for teams with limited infrastructure resources
Technical Specifications
Parameters 20 billion
Context Window 128,000 tokens
Training Method Efficient Open-weight Training
Knowledge Cutoff August 2025
Training Data Up to August 2025
Key Features
Open Weights Efficient Edge Deployment Reasoning Capable
Capabilities
Efficiency: Outstanding
Reasoning: Very Good
Deployment: Outstanding
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