InferX Catalog | gpt-oss-20b

gpt-oss-20b

The GPT-OSS-20B (Generative Pre-trained Transformer - Open Source Software) is a significant milestone in the move toward high-performance, transparent large language models. It is part of a broader family of models designed to provide a powerful, open-source alternative to proprietary models like GPT-3 or early GPT-4 iterations.

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Metadata

Provider

openai

Modality

text

API type

text2text

Source

huggingface / openai/gpt-oss-20b

Created

2026-04-06 14:52:25 UTC

Updated

2026-04-13 14:42:11 UTC

Catalog version

4

Visibility

Published

Specifications

Parameters

20.00B

MoE

No

Max model length

20000

Image

vllm/vllm-openai:v0.16.0

Default Deploy Config

GPU count

1

vRAM

55000 MB

Summary

1xGPU 55000 MB

Recommended Use Cases

—

Model Spec

{
    "image": "vllm/vllm-openai:v0.16.0",
    "commands": [
        "--model",
        "openai/gpt-oss-20b",
        "--disable-uvicorn-access-log",
        "--trust-remote-code",
        "--uvicorn-log-level",
        "warning",
        "--max-model-len",
        "20000",
        "--tensor-parallel-size=1"
    ],
    "resources": {
        "GPU": {
            "Count": 1,
            "vRam": 55000
        }
    },
    "envs": [],
    "policy": {
        "Obj": {
            "min_replica": 0,
            "max_replica": 1,
            "standby_per_node": 1,
            "parallel": 200,
            "queue_len": 100,
            "queue_timeout": 30.0,
            "scalein_timeout": 1.0,
            "scaleout_policy": {
                "WaitQueueRatio": {
                    "wait_ratio": 0.1
                }
            },
            "runtime_config": {
                "graph_sync": true
            }
        }
    },
    "sample_query": {
        "body": {
            "stream": "true",
            "max_tokens": "1000",
            "temperature": "0"
        },
        "path": "v1/completions",
        "prompt": "write a quick sort algorithm.",
        "apiType": "text2text",
        "dataUrl": "",
        "prompts": [],
        "loadingTimeout": 90
    }
}