The independent guide to Codex.
Codex Insider covers news, deep dives, and workflows for enthusiasts and builders. It is an independent publication and is not affiliated with OpenAI.
A signal for practical intelligence.
The supplied mark stands beside a live Geist Semibold wordmark. Use the gradient mark by default, black on light monochrome applications, and white on dark.
Ink, paper, and indigo signal.
Ink
#0D0D12
#0D0D12
Indigo
#5152E8
#5152E8
Paper
#FCFCFE
#FCFCFE
Mist
#F2F0FF
#F2F0FF
Geist and Geist Mono.
Geist carries headlines, body, and interface text. Geist Mono handles metadata, labels, and technical details. Keep the hierarchy direct and clean.
Independent and factual.
- Do not imply endorsement, partnership, sponsorship, or ownership by OpenAI.
- Use Codex and OpenAI only as factual third-party references.
- Carry the exact non-affiliation statement in the site footer and every newsletter issue.
- Preserve the supplied mark geometry, gradients, and clearspace.
The complete supplied kit.
Complete brand kitDownload ZIP
Primary markDownload SVG
Color tokensDownload CSS
Handover notesRead supplied notes