ChatGPT gets an AI agent specifically designed for coding
OpenAI makes the Codex AI agent available in ChatGPT, running on the optimized Codex-1 model. This allows developers to write and debug code. Codex can both generate new code and analyze existing code.
OpenAI’s best coding model to date
Codex-1 is a customized version of OpenAI’s o3 model, trained on various software environments. The model can work in any environment: in the cloud, on Linux, or on a local Windows desktop. Developers can therefore upload a file with information that ensures the model aligns as closely as possible with their working environment. This file describes programs to be installed, how the generated code should be tested for bugs, and related details.
Codex-mini
Codex outperforms all previous models in OpenAI’s own coding tests. It performs tasks in secure, offline containers that are restarted for each assignment. Developers can review each step of the workflow and request revisions if the code is not up to par.
Codex is also being integrated into Codex CLI, an open-source application that now works with the Codex-mini model, based on o4-mini. This allows developers to generate code locally or execute commands with AI assistance.
The tool is available as a preview in ChatGPT starting today. OpenAI plans to introduce flexible pricing options and more features soon, such as live instructions during tasks.
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