Codex-Maxxing: How to Run Long, Complex AI Coding Tasks
Jason Liu’s codex-maxxing approach shows how to preserve context, manage complex projects, and keep OpenAI Codex working across long coding sessions.
OpenAI Codex
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How Notion Uses Codex to Ship Features Fast
Notion is using OpenAI’s Codex to one-shot specs, build AI Voice Input for the web, and stretch small engineering teams further than ever before.
How Nextdoor Engineers Use Codex to Ship Faster
Nextdoor engineers are using OpenAI Codex with GPT-4.5 to tackle hard-to-reproduce bugs, cross-platform builds, and ship products faster. Here’s how.
How Wasmer Built a Node.js Edge Runtime in Weeks, Not Months
Wasmer used OpenAI Codex and GPT-4.5 to build a Node.js runtime for the edge 10-20x faster, shipping in weeks instead of months. Here’s what that actually means.
How Endava Is Redesigning Software Delivery Around AI Agents
Endava is rebuilding how software gets built — using AI agents, ChatGPT Enterprise, and Codex to automate workflows and reshape its entire delivery model.
How Endava Built an Agentic Organization Using Codex
Endava is using OpenAI Codex to cut requirements analysis from weeks to hours and reshape how its engineers deliver software at scale. Here’s how they did it.
How Braintrust Uses Codex to Turn Customer Requests Into Shipping Code
Braintrust engineers are using OpenAI Codex with GPT-5.5 to run experiments and ship code faster. Here’s exactly how they’re doing it and what it means.
How OpenAI, Thrive, and Crete Built a Self-Improving Tax Agent
OpenAI, Thrive, and Crete used Codex to build a self-improving tax agent that automates filings, boosts accuracy, and gets smarter over time. Here’s how.
How Virgin Atlantic Used Codex to Ship on Time
Virgin Atlantic used OpenAI Codex to ship its revamped mobile app before a fixed holiday deadline, hitting near-total test coverage and zero P1 defects.
How Data Science Teams Are Using Codex for Real Work
OpenAI’s Codex is changing how data science teams build root-cause briefs, KPI memos, and dashboard specs. Here’s what that actually looks like in practice.
Sea Limited Bets Big on Codex for AI-Native Engineering
Sea Limited’s CPO David Chen explains how the company is deploying OpenAI Codex across engineering teams to build AI-native software faster across Asia.
How Simplex Uses Codex to Ship Software Faster
Simplex is using OpenAI Codex and ChatGPT Enterprise to cut design, build, and testing time. Here’s what they built and what it means for dev teams.
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