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GPT OSS Safeguard 20B

openai/gpt-oss-safeguard-20b
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GPT OSS Safeguard 20B

openai/gpt-oss-safeguard-20b
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gpt-oss-safeguard is a first open weight reasoning model specifically trained for safety classification tasks to help classify text content based on customizable policies. As a fine-tuned version of gpt-oss, gpt-oss-safeguard is designed to follow explicit written policies that you provide. This enables bring-your-own-policy Trust & Safety AI, where your own taxonomy, definitions, and thresholds guide classification decisions. Well crafted policies unlock gpt-oss-safeguard's reasoning capabilities, enabling it to handle nuanced content, explain borderline decisions, and adapt to contextual factors.

Added Feb 23, 2026

Model weights

Context Window

128.0K

Max Output

16.4K

Avg output tokens (7d)

202 tokens

14%

Input Price (Auto)

$0.075/1M

Output Price (Auto)

$0.30/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

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