GPT‑5-Codex Description

GPT-5-Codex is an enhanced iteration of GPT-5 specifically tailored for agentic coding within Codex, targeting practical software engineering activities such as constructing complete projects from the ground up, incorporating features and tests, debugging, executing large-scale refactors, and performing code reviews. The latest version of Codex operates with greater speed and reliability, delivering improved real-time performance across diverse development environments, including terminal/CLI, IDE extensions, web platforms, GitHub, and even mobile applications. For cloud-related tasks and code evaluations, GPT-5-Codex is set as the default model; however, developers have the option to utilize it locally through Codex CLI or IDE extensions. It intelligently varies the amount of “reasoning time” it dedicates based on the complexity of the task at hand, ensuring quick responses for small, clearly defined tasks while dedicating more effort to intricate ones like refactors and substantial feature implementations. Additionally, the enhanced code review capabilities help in identifying critical bugs prior to deployment, making the software development process more robust and reliable. With these advancements, developers can expect a more efficient workflow, ultimately leading to higher-quality software outcomes.

Pricing

Free Version:
Yes

Integrations

API:
Yes, GPT‑5-Codex has an API

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Company Details

Company:
OpenAI
Year Founded:
2015
Headquarters:
United States
Website:
openai.com/index/introducing-upgrades-to-codex/

Media

GPT‑5-Codex Screenshot 1
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Product Details

Platforms
Web-Based
Types of Training
Training Docs
Customer Support
Online Support

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