GPT 5.1 Codex
Release Date: Nov 13, 2025 Creator: OpenAI
This model has been removed from VividLLM and is no longer available for use.
Codex version of GPT-5.1
Access GPT 5.1 Codex 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.
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| Model Specifications | ||
|---|---|---|
| Knowledge Cutoff | Sep 30, 2024 | N/A |
| Context (VividLLM) | 128,000 Tokens | N/A |
| With a context window of 128,000 tokens, this model can 'remember' and analyze up to 192 pages of data at once. This makes it a top choice for debugging entire codebases and summarizing full-length books. | ||
| Context (Native) | 400,000 Tokens | N/A |
| Input Modalities | TextImagePDF | TextImagePDF |
| Tool Calling | N/A | N/A |
| Output Type | Text | Text |
| Default Max Output | 8192 | 8192 |
| Input Weight | 1.000 x (Pro) | N/A |
| Output Weight | 1.000 x (Pro) | 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.