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GPT OSS 120B

openaiopenai/gpt-oss-120b

OpenAI's open-source 120B model with hybrid reasoning, extended thinking, efficient code generation, agentic search, computer use, and tool use capabilities.

Context Length
128K
Max Output
16K
Input Priceper 1M tokens
$0.240/ 1M tokens
Output Priceper 1M tokens
$0.960/ 1M tokens

Modalities

text→text

Pricing Breakdown

TypeRate
Input$0.240 / 1M tokens
Output$0.960 / 1M tokens

Supported Parameters

temperaturemax_tokenstop_ptoolstool_choiceresponse_formatreasoningstop

API Usage Examples

Use the global api.therouter.ai endpoint shown below for new integrations; the legacy China accelerated endpoint is retired.

cURL
curl https://api.therouter.ai/v1/chat/completions   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "openai/gpt-oss-120b",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'
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