// OpenAI Codex Masterclass · May 2026
Codex — Zero to Shipping
Real Code with AI
Real Code with AI
GPT-5.4 powered. 5 interfaces covered. Real benchmarks. GitHub PRs from Slack. This is not a demo video.
5
Codex surfaces — CLI, App, Web, iOS, IDE
77%
Terminal-Bench 2.0 score — beats Claude
$0
Extra cost with ChatGPT Plus subscription
1M
Token context window (long-context mode)
Codex CLI — terminal agent, Rust-built, open source. npm install and go.
Codex App — macOS desktop. Async tasks. Cloud sandboxes. Check results later.
AGENTS.md — the file that teaches Codex your entire codebase in one read.
GitHub Integration — mention Codex in Slack → it opens a PR. Not a joke.
Multi-Agent — parallel agents via OpenAI Agents SDK. Multiple files. Simultaneously.
press 1–8 jump · ←→ navigate · C creator panel
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