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OpenAI

OpenAI for coding

AI for ambitious engineering teams

Build, debug, and ship faster with Codex, ChatGPT, and the API—all powered by our most advanced coding models.

A chat interface on a blue gradient background showing a Python code snippet that defines a function get_crypto_price. Below it, a message card titled Code_suite.py asks the assistant to conduct a comprehensive code review of the attached code snippet.

Find the right solution

Explore tools built for every stage of development—from early exploration to shipping production software.

Code snippet showing a JavaScript example using the OpenAI API with the model “gpt-4o.” The script sends a prompt to write a one-sentence bedtime story about a unicorn and logs the response.

Codex

Powerful AI coding agent that works in all your tools.

  • Pair program in your terminal and IDE or delegate entire tasks to Codex in the cloud. 

  • Bring Codex into code review, CI/CD, and issue management to make critical team workflows more efficient.

A blurred background with colorful code overlay and a centered label reading “Merged +274 -182,” representing a Git pull request merge summary showing added and removed lines of code.

ChatGPT

Chat assistant to plan, design, and prototype engineering work. 

  • Explore ideas, prototype features, analyze requirements, and write specs with greater speed and clarity.

  • Connect ChatGPT to GitHub, Slack, and other sources to efficiently gather the context you need for key engineering decisions.

ChatGPT interface connected to GitHub. A message asks, “Can you explain how the authentication flow works in our backend repository?” alongside code snippets in JavaScript showing login logic.

API platform

Build custom coding solutions with state-of-the-art coding models.

  • Build coding agents that can write, test, and deploy code customized to your workflows, systems, and user needs.

  • Create reliable, repeatable automations for heavy-lift workloads—like refactoring, migrations, compliance checks, and large-scale code updates.

Powered by our best coding models

Trained with a focus on agentic coding in real-world software engineering tasks, GPT‑5.1 and GPT‑5.1-Codex are our most capable coding models to date.

GPT 5.1

Built for everyday coding. It delivers high-quality code, great front-end output, and smarter debugging with better steerability and tool calling.

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GPT-5.1-Codex

Further optimized for Codex. It pairs in the editor or CLI while delivering persistent autonomous execution for complex builds, large-scale refactors, and code reviews.

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Built for the full development lifecycle

See how engineering teams use OpenAI to understand complex code, improve reliability, and deliver software faster.

Code review interface showing a Python file pull_request_manager.py with highlighted lines and a bot comment from @codex approving changes, suggesting fixes across the codebase.
Terminal interface showing OpenAI Codex v0.34.0 running with the GPT-5 model. A command “Hey Codex, implement dark mode” appears, representing coding with natural language commands.
Chat interface showing code changes with file names slider.tsx and page.tsx, displaying +123 and -42 edits. The message “Looks great, add tests!” is shown below.
Chat interface on a blue background showing code for OnboardingFlow.tsx and a prompt requesting to “Turn this product feedback into working code for the new onboarding flow.”
ChatGPT interface displaying a document titled Onboarding flow.pdf and a message asking for three architecture directions. The AI outputs three options for onboarding system design.

Get up to speed quickly by mapping unfamiliar systems. Locate core logic, trace data flow, surface service interactions, and uncover missing documentation to support onboarding, debugging, or incident response.

Integrates into your systems—securely

Connect to your existing tools and systems, while keeping data private and protected.

Central data-connection icon linked by dotted lines to SharePoint, Google Drive, and GitHub icons on a blue gradient background with small white squares.

Built for your development stack

Use apps and MCP to link ChatGPT with your IDEs, repos, and pipelines—or create custom integrations for your team.

Row of blue certification badges for CCPA, CSA STAR, GDPR, AICPA SOC 2, ISO 27001, and ISO 27701, representing compliance and data security standards.

Enterprise-grade security

Your organization’s data is never used to improve our models. It’s protected with encryption, MFA, and SAML SSO, with support for compliance with GDPR, CCPA, and other privacy regulations.

Start coding smarter with AI that builds, tests, and ships alongside you

See how OpenAI can help you scale AI securely and responsibly.