GPT OSS 20B
GPT OSS 20B is a powerful open-weight Mixture-of-Experts model from OpenAI, delivering advanced chain-of-thought reasoning and agentic capabilities with just 20B total parameters and 4B active for ultra-efficient inference. Run it on a single GPU or edge devices with 16GB memory, matching o3-mini benchmarks while enabling low-latency local deployment under the Apache 2.0 license.
Available for Chat, Vision, and File Uploads.
Performance Benchmarks
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Start a Conversation
Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.
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Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.
Why use GPT OSS 20B?
Native Tool Use and Function Calling
Supports native tool use, function calling, and agentic workflows for complex tasks like web browsing and code execution
Complex Reasoning Capabilities
Optimized for chain-of-thought reasoning, configurable effort levels (low/medium/high), and STEM/coding tasks with 128k context
Efficient Local Deployment
Runs on consumer hardware (16-32GB RAM, 20GB VRAM) via MoE architecture activating only 3.6B of 21B parameters
Capability Examples
Chain-of-Thought Reasoning
Function Calling Demo
How to use
Go to Chat
Navigate to the "AI Chat" page.
Select Model
Ensure GPT OSS 20B is selected.
Type Prompt
Ask a question or paste code.
Interact
Refine the answer by replying to the AI.
Compare LLMs Side-by-Side
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