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gpt-5-codex

GPT-5-Codex is developed by OpenAI. It is a version of GPT-5 specifically optimized for software engineering tasks, featuring advanced capabilities like dynamic thinking time adjustment, autonomous coding, and deep integration with developer tools. The model is a key part of OpenAI's efforts to enhance AI-assisted programming and software development.

INPUT PRICE

$ 0.75
40% off
$ 1.25

Input / 1M tokens

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OUTPUT PRICE

$ 6
40% off
$ 10

Input / 1M tokens

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Practical Use Cases

Explore real-world scenarios where gpt-5-codex/text-to-text helps developers and professionals streamline workflows.

Automated Technical Documentation

A software team integrates gpt-5-codex/text-to-text into its CI pipeline to automatically generate API documentation with each deployment. The model translates complex code functions and comments into clear, well-structured documentation. Developers use the exported docs for onboarding, reducing manual editing and consistently meeting documentation standards.

Conversational AI for Support

Customer service platforms embed gpt-5-codex/text-to-text to power virtual agents that resolve technical queries. The model generates step-by-step solutions, handles context switching, and provides reliable troubleshooting suggestions. Its high accuracy helps teams deliver effective support across multiple channels with minimal intervention.

Automated Code Review Assistant

Development teams use gpt-5-codex/text-to-text to automate code reviews in pull requests. The model checks for syntax errors, offers refactor suggestions, and generates feedback for various programming languages. This integration accelerates review cycles and maintains consistency in code quality for larger projects.

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Getting Started with Gptproto — Build with gpt-5-codex in Minutes

Follow these simple steps to set up your account, get credits, and start sending API requests to gpt-5-codex via Gptproto.

Sign up

Sign up

Create your free Gptproto account to begin. You can set up an organization for your team at any time.

Top up

Top up

Your balance can be used across all models on the platform, including gpt-5-codex, giving you the flexibility to experiment and scale as needed.

Generate your API key

Generate your API key

In your dashboard, create an API key — you’ll need it to authenticate when making requests to gpt-5-codex.

Make your first API call

Make your first API call

Use your API key with our sample code to send a request to gpt-5-codex via Gptproto and see instant AI‑powered results.

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