8 min read
Codex SDK vs CLI vs GitHub Action: Which Surface Should You Build On?
Codex SDK vs Codex CLI vs the Codex GitHub Action: when to use each surface, and how to avoid building the same agent loop three times.
OPENAI
118 articles - page 8 of 10
7 min read
GPT Image 2 Prompt Libraries Are Becoming Production Infrastructure
GPT Image 2 prompt libraries are turning into production infrastructure: repeatable visual systems, agent-friendly templates and cheaper creative iteration.
Read more
9 min read
Karpathy's Loopy Era Is the Best Way to Understand Codex
Andrej Karpathy's loopy era frame explains why Codex is becoming less like a chatbot and more like an agent loop manager for real software work.
Read more
7 min read
OpenAI's Codex Mac Certificate Deadline Is a Runbook Test
OpenAI's May 8 macOS certificate rotation for ChatGPT, Codex, Codex CLI and Atlas, and a runbook for how teams should govern AI developer tool updates.
9 min read
Codex Changelog April 2026: Goals, Browser Use, GPT-5.5, and Safer Agents
The April 2026 Codex changelog explained: persisted goals, browser verification, automatic approval reviews, plugins, and permission profiles.
18 min read
Codex /goal and Claude Managed Outcomes: The New Control Loops
Codex /goal vs Claude Managed Agents outcomes compared: where each control loop fits, the tradeoffs, and when to combine them for long-running tasks.
8 min read
OpenAI Codex, Managed Agents, and AWS: What Developers Should Watch
OpenAI is moving Codex from a coding assistant into an enterprise agent platform. Here is what changed with Codex, Managed Agents, AWS, and the Responses API.
Read more
9 min read
OpenAI Agents SDK Evolution: What Ships in Production
Sandbox agents, file-based memory and Codex-style filesystem tools in the OpenAI Agents SDK: what the docs actually ship, with code adapted from OpenAI's own examples.
Read more
10 min read
OpenAI Apps SDK: Building MCP UIs Inside ChatGPT
Apps SDK (now ChatGPT plugins) is MCP plus an optional web component rendered in ChatGPT. How the server, the UI resource, auth and publishing actually work, with code adapted from OpenAI's quickstart.
10 min read
Codex Security Preview: AppSec Agent for Real Repos
OpenAI's Codex Security agent reviews app code for vulns. Here is what it caught and missed on three real production repos.
12 min read
GPT-5.4 for Developers: The Production Guide
GPT-5.4 developer guide with OpenAI SDK code, computer use, the 272K-token pricing cliff, and when 5.4 still beats GPT-5.3 and GPT-5.5 in production.
9 min read
GPT-5.5-Codex in Production: What Actually Changes
GPT-5.5-Codex merges Codex and GPT-5 stacks. Here is what the unified model means for real coding agents - latency, costs, prompt rewrites.
Showing 85-96 of 117 articles
Keep exploring OpenAI
- - OpenAI Topic Hub - tools and guides for OpenAI from the Developers Digest directory
- - Compare Tools - dive deeper across the Developers Digest knowledge base
- - Developers Digest on YouTube - video tutorials covering OpenAI and more
Get Smarter About AI Dev
New tutorials, open-source projects, and deep dives on coding agents - delivered weekly.
One email per weekReal code, not theoryFree forever
Explore 840 topics
Browse All Topics