gpt-oss-120b
OpenAI's larger open-weight reasoning model; runs on a single 80 GB GPU.
Overview
gpt-oss-120b is OpenAI's larger open-weight reasoning model, released under the Apache 2.0 licence. Its mixture-of-experts design activates about 5.1B of its 117B parameters per token, so it runs on a single 80 GB GPU. It supports tool use and adjustable reasoning effort.
| Weights | Open |
|---|---|
| Parameters | 117B total, 5.1B active (mixture of experts) |
| Context window | 128K tokens |
| Licence | Apache 2.0 |
| Commercial use | Yes |
LLM hosts that offer gpt-oss-120b
All hosts →| LLM host | Hosting plan | Hosting type | Pricing |
|---|---|---|---|
| Amazon AWS | Amazon EC2 | GPU cloud | From US$0.526Per GPU-hour, Reserved or committed capacity |
| Amazon AWS | Amazon Bedrock | Serverless API | From US$0.04Pay per token, Reserved or committed capacity |
| Amazon AWS | Amazon SageMaker | Dedicated endpoint | From US$0.736Per GPU-hour, Reserved or committed capacity |
| Google Cloud | Google Kubernetes Engine (GKE) | GPU cloud | From US$0.35Per GPU-hour, Reserved or committed capacity |
| Google Cloud | Compute Engine | GPU cloud | From US$0.35Per GPU-hour, Reserved or committed capacity |
| Google Cloud | Model Garden | Serverless API | From US$0.07Pay per token, Per GPU-hour |
| Microsoft Azure | Azure Machine Learning | Dedicated endpoint | From US$0.526Per GPU-hour, Reserved or committed capacity |
| Microsoft Azure | Azure Kubernetes Service (AKS) | GPU cloud | From US$0.526Per GPU-hour, Reserved or committed capacity |
| Microsoft Azure | Azure GPU Virtual Machines | GPU cloud | From US$0.526Per GPU-hour, Reserved or committed capacity |
| Microsoft Azure | Azure AI Foundry | Serverless API | From US$0.15Pay per token, Reserved or committed capacity |