GPT OSS 120B

Release Date: Aug 5, 2025     Creator: OpenAI

GPT-oss-120b is OpenAI's most powerful open-weight model. Fastest response speed for any model available on this website.

Access GPT OSS 120B securely with complete privacy. Our local-first approach means your text chats and prompts are stored exclusively on your browser via IndexedDB, never on a remote server. When you delete a chat, it is permanently wiped locally, and we ensure zero prompt training is used across all model endpoints.

Try GPT OSS 120B instantly

Here

🔒 Requires a secure session. Sign in with Google to protect your data.

Model Specifications
Knowledge Cutoff
June 2024
N/A
Context (VividLLM)
64,000 Tokens
N/A
With a context window of 64,000 tokens, this model can 'remember' and analyze up to 96 pages of data at once. This makes it a top choice for processing technical manuals and multi-chapter reports.
Context (Native)
131,072 Tokens
N/A
Input ModalitiesTextImagePDFTextImagePDF
Tool Calling
yes
N/A
Output TypeTextText
Default Max Output81928192
Input Weight
1.000 x (Casual)
N/A
Output Weight
1.000 x (Casual)
N/A

Disclaimer: We are providing Image Upload options to only limit models as of now, so some models which have image upload options might now have that feature on our site.

GPT OSS 120B: Secure & Private Access | No Prompt training