GPT OSS Safeguard 120B

openai/gpt-oss-safeguard-120b

A chat model with a 128K-token context window, at $0.1575 per million input tokens and $0.63 per million output tokens.

Details

Maker: openai
Kind: Chat
Context window: 128,000 tokens
Max output: 16,000 tokens
Input: $0.1575 per million tokens
Output: $0.63 per million tokens
Capabilities: Reasoning, tool use
Takes: Text
Returns: Text
Zero data retention: Yes, on every provider
No training on requests: Yes, on every provider
Released: 2025-12-02
Newer model: openai/gpt-6-lunaReleased later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

GPT OSS Safeguard 120B is OpenAI’s open-weight safety model for content moderation and guardrail enforcement. It helps teams evaluate content against custom safety policies and build scalable, adaptable protections for production AI applications.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-oss-safeguard-120b",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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