Codex 0.143.0 alpha builds shipped rapidly over several days
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Codex 0.143.0 alpha builds shipped rapidly over several days

openai/codexJun 23, 2026 · 20d ago

OpenAI published several Codex 0.143.0 in quick succession. The first visible build, 0.143.0-alpha.1, was released on June 22, 2026, followed by builds including alpha.13, alpha.15, alpha.21, alpha.22, alpha.25, and alpha.26.

Alpha.26 was released on June 26, 2026. Each build was marked as a on GitHub.

The public notes only identify the version and do not spell out new , , or behavior changes. Each build includes many , which suggests packaged releases for different systems or install paths.

Key points

  • Codex 0.143.0 appeared repeatedly from June 22 to June 26, 2026.
  • The visible sequence runs from alpha.1 through alpha.26.
  • The releases are marked as builds.
  • The public notes do not list detailed feature changes or fixes.
  • Use in a test setup before relying on them for daily work.

Sources covering this story (18)

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