OpenAI: gpt-oss-120b:free

gpt-oss-120bis our most powerful open-weight model, which fits into a single H100 GPU (117B parameters with 5.1B active parameters). Download gpt-oss-120b on HuggingFace. Key features Permissive Apache 2.0 license: Build freely without copyleft restrictions or patent risk—ideal for experimentation, customization, and commercial deployment. Configurable reasoning effort: Easily adjust the reasoning effort (low, medium, high) based on your specific use case and latency needs. Full chain-of-thought: Gain complete access to the model's reasoning process, facilitating easier debugging and increased trust in outputs. Fine-tunable: Fully customize models to your specific use case through parameter fine-tuning. Agentic capabilities: Use the models' native capabilities for function calling, web browsing, Python code execution, and structured outputs.