How Endava builds an agentic organization with Codex
Learn how Endava uses Codex to build an agentic organization, accelerating software delivery and reducing requirements analysis from weeks to hours.
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Cisco and OpenAI redefine enterprise engineering with Codex
Cisco and OpenAI are redefining enterprise engineering with Codex, helping Cisco scale AI-native development, accelerate AI Defense work, and automate defect remediation.
Building self-improving tax agents with Codex
See how OpenAI, Thrive, and Crete built a self-improving tax agent with Codex, automating filings, improving accuracy, and accelerating workflows.
How Virgin Atlantic ships faster with Codex
How Virgin Atlantic used Codex to ship its revamped mobile app on a fixed holiday travel deadline, reaching near-total unit test coverage and zero P1 defects.
How Ramp engineers accelerate code review with Codex
How Ramp engineers use Codex with GPT-5.5 to review code and ship improvements, allowing them to get substantive feedback in minutes instead of hours.
OpenAI and Dell partner to bring Codex to hybrid and on-premise enterprise environments
OpenAI and Dell partner to bring Codex to hybrid and on-premise environments, helping enterprises deploy AI coding agents securely across data and workflows.
How data science teams use Codex
See how data science teams can use Codex to build root-cause briefs, impact readouts, KPI memos, scoped analyses, and dashboard specs from real work inputs.
How business operations teams use Codex
See how business operations teams can use Codex to create initiative briefs, strategy updates, leadership decision packets, progress updates, and more from real work inputs.
Sea's View on the Future of Agentic Software Development with Codex
Sea Limited's CPO explains why the company is deploying Codex across engineering teams to accelerate AI-native software development in Asia.
Building a safe, effective sandbox to enable Codex on Windows
Learn how OpenAI built a safe, effective sandbox to enable Codex on Windows with controlled file access and network limits.
How finance teams use Codex
See how finance teams can use Codex to build MBRs, reporting packs, variance bridges, model checks, and planning scenarios from real work inputs.
How NVIDIA engineers and researchers build with Codex
Teams use Codex with GPT-5.5 to ship production systems and turn research ideas into runnable experiments.
Simplex rethinks software development with Codex
Simplex boosts software development with ChatGPT Enterprise and Codex, reducing design, build, and testing time while scaling AI-driven workflows.
Singular Bank helps bankers move fast with ChatGPT and Codex
Singular Bank built Singularity, an internal assistant using ChatGPT and Codex to help bankers save 60–90 minutes daily on meeting prep, portfolio analysis, and follow-up.
OpenAI models, Codex, and Managed Agents come to AWS
OpenAI GPT models, Codex, and Managed Agents are now available on AWS, enabling enterprises to build secure AI in their AWS environments.
What is Codex?
Learn how Codex helps you go beyond chat by automating tasks, connecting tools, and producing real outputs like docs and dashboards.
Codex settings
Learn how to configure Codex settings, including personalization, detail level, and permissions, to run tasks smoothly and customize your workflow.
Working with Codex
Learn how to set up your Codex workspace, create threads and projects, manage files, and start completing tasks with step-by-step guidance.
How to get started with Codex
Learn how to get started with Codex by setting up projects, creating threads, and completing your first tasks with step-by-step guidance.
How to use Codex for everyday work
Explore 10 practical Codex use cases to automate tasks, create deliverables, and turn real inputs into outputs across tools, files, and workflows.