OpenAIOpen Weights

GPT OSS 20B

openai/gpt-oss-20b-maas

Best Input Price

$0.07 / 1M

Open-weight GPT model for self-hosted reasoning and instruction-following workloads

Context Window

131,072 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2025-08-05

Inference Providers (1)

Provider	Model ID	Context	Input / 1M	Output / 1M	Action
Vertex	openai/gpt-oss-20b-maas	131,072	$0.07	$0.25	Docs ↗