gpt-oss-120b

Context

128K

Input

text

Output

text

Tool calling

Supported

About this model

OpenAI open-weight 120B-parameter mixture-of-experts model (5.1B active per token, 128 experts with 4 active), served via Cerebras wafer-scale inference for very high throughput.

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Capabilities

text

Available through the unified API

Tool CallingLong Context

Quick start

View API docs

curl https://api.oneinfer.ai/v1/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "c18794688ba6482aaf18d04bd1ce2201",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

Providers

Available routing options for this model through OneInfer.

cerebras

c18794688ba6482aaf18d04bd1ce2201

Available

Input

$0.350 / 1M

Output

$0.750 / 1M

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

Usage	Price
Input tokens	$0.350 / 1M
Output tokens	$0.750 / 1M

Performance

Published evaluation results associated with this model.

No benchmark data is listed for this model.

API example

curl https://api.oneinfer.ai/v1/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "c18794688ba6482aaf18d04bd1ce2201",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'