GPT 5.1 Codex
Release Date: Nov 13, 2025 Creator: OpenAI
Codex version of GPT-5.1
| Model Specifications | |
|---|---|
| Knowledge Cutoff | Sep 30, 2024 |
| Context (VividLLM) | 128,000 Tokens |
| 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 |
| Input Modalities | TextImagePDF |
| Output Type | Text |
| Max Output | 8192 |
| Input Weight | 1.00 x (Pro) |
| Output Weight | 1.00 x (Pro) |
| Industry Benchmarks | |
| Intelligence Index (Artificial Analysis) | N/A |
| Coding Index (Artificial Analysis) | N/A |
| Math Index (Artificial Analysis) | N/A |
| Response Speed | |
| Output Tokens per second | N/A |
| Median Time to First Token Seconds | N/A |
Launch VividLLM Now => :
Benchmarks accessed via : Artificial Analysis
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.