Download GPT-OSS Models

Access OpenAI's powerful open-weight language models with our easy-to-use download tool

Get gpt-oss-120b and gpt-oss-20b models with Apache 2.0 license for commercial use, fine-tuning, and deployment

Browse Models Check System
2
Models Available
138B
Total Parameters
Apache 2.0
License
100K+
Downloads

Why Choose GPT-OSS?

Powerful features for developers and researchers

Permissive License

Apache 2.0 license allows commercial use, customization, and deployment without restrictions

Advanced Reasoning

Configurable reasoning effort with full chain-of-thought capabilities for debugging and trust

Fine-tunable

Fully customizable models that can be fine-tuned for specific use cases and applications

Agentic Capabilities

Native support for function calling, web browsing, Python code execution, and structured outputs

Available Models

Choose the right model for your needs

gpt-oss-120b

Production Grade Model

High-performance model for production, general purpose, and high reasoning use cases.

Parameters: 117B (5.1B active)
Memory: Single H100 GPU
Use Case: Production, High Reasoning
License: Apache 2.0
Download Options:
Downloading... 0%

gpt-oss-20b

Local & Specialized Use

Lightweight model for lower latency, local deployment, and specialized applications.

Parameters: 21B (3.6B active)
Memory: 16GB RAM
Use Case: Local, Low Latency
License: Apache 2.0
Download Options:
Downloading... 0%

System Requirements Check

Verify your system can handle the selected model

System Compatibility

Operating System
Windows 11/10, macOS 10.15+, Linux Ubuntu 18.04+
Available RAM
16 GB detected (32 GB recommended for gpt-oss-120b)
Storage Space
250 GB available (50 GB required per model)
GPU Support
No compatible GPU detected (NVIDIA H100/A100 recommended)
Internet Connection
Stable high-speed connection detected
Recommendation: Your system can run gpt-oss-20b efficiently. For gpt-oss-120b, consider upgrading RAM and adding a compatible GPU.

Documentation & Resources

Everything you need to get started

Getting Started Guide

Complete walkthrough for downloading, installing, and running GPT-OSS models on your system.

Read Guide
API Documentation

Technical documentation for integrating GPT-OSS models into your applications and workflows.

View API Docs
Community Support

Join our community forum for help, tutorials, and discussions with other developers.

Join Community