OpenAI

AI research company behind ChatGPT and the GPT models

openai.comSan Francisco, United States

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OpenAI is an American artificial intelligence company based in San Francisco, established in December 2015. It develops the GPT family of language models, the o-series reasoning models, DALL-E and Sora for images and video, and Whisper for speech, and runs the ChatGPT assistant.

Model family

gpt-oss

OpenAI is an American artificial intelligence company based in San Francisco, established in December 2015. It develops the GPT family of language models, the o-series reasoning models, DALL-E and Sora for images and video, and Whisper for speech, and runs the ChatGPT assistant.

Models in this family

4 catalogued models

4 models · 1–4
Select models to compareModelReleasedContextInput /MOutput /MParametersTypeI/OOpenness
GPT OSS Safeguard 120BOpenAIOctober 29, 2025131K——120BTexttext → textOpen weights
gpt-oss-safeguard-20bOpenAIOctober 29, 2025131K$0.075$0.3020BTexttext → textOpen weights
gpt-oss-120bOpenAIAugust 5, 2025131K$0.15$0.60120BTexttext → textOpen weights
gpt-oss-20bOpenAIAugust 5, 2025131K$0.03$0.1320BTexttext → textOpen weights
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