openai

OpenAI: GPT-5.1-Codex

GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

Input Cost
$1.25
per 1M tokens
Output Cost
$10.00
per 1M tokens
Context Window
400,000
tokens
Compare vs GPT-4o
Developer ID: openai/gpt-5.1-codex

Related Models

openai
$2.50/1M

OpenAI: GPT-4o

GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs...

πŸ“ 128,000 ctx Compare →
openai
$1.10/1M

OpenAI: o3 Mini

OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, part...

πŸ“ 200,000 ctx Compare →
openai
$1.75/1M

OpenAI: GPT-5.3-Codex

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier sof...

πŸ“ 400,000 ctx Compare →