gpt-oss-20b
OpenAI's smaller open-weight reasoning model; runs in 16 GB of memory.
Overview
gpt-oss-20b is OpenAI's smaller open-weight reasoning model, released under the Apache 2.0 licence. It activates about 3.6B of its 21B parameters per token and runs in around 16 GB of memory, so it can be self-hosted on consumer hardware. It's well suited to local and low-latency use.
| Weights | Open |
|---|---|
| Parameters | 21B total, 3.6B active (mixture of experts) |
| Context window | 128K tokens |
| Licence | Apache 2.0 |
| Commercial use | Yes |
LLM hosts that offer gpt-oss-20b
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 AI Foundry | Serverless API | From US$0.15Pay per token, Reserved or committed capacity |
| 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 |
