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Codex Issues / #34081

Build Week feedback: documented agent efficiency benchmark from a public project

Open 💬 2 comments Opened Jul 18, 2026 by michycom
💡 Likely answer: A maintainer (github-actions[bot], contributor) responded on this thread — see the highlighted reply below.

Build Week feedback: documented agent efficiency benchmark from a public project

We documented a complete Stage 1 Codex Build Week run on a public repository.

Repository:
https://github.com/michycom/LabDelta

This is not a bug report. It is a reproducible case study intended to help improve the Codex agent experience.

Configuration

  • ChatGPT Plus
  • GPT-5.6 (low)
  • New repository
  • No parallel agents
  • Public GitHub repository
  • Public build log

Observed run

  • Visible weekly budget at start: 100%
  • Visible weekly budget after Stage 1: 82%
  • Observ

View original on GitHub ↗

2 Comments

github-actions[bot] contributor · 1 month ago

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

  • #33691
  • #33690

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michycom · 1 month ago

Additional concise summary:

  • Public Build Week project: https://github.com/michycom/LabDelta
  • Public build log documents a complete Stage 1 run.
  • Configuration: ChatGPT Plus, GPT-5.6 (low), new repository, no parallel agents.
  • Observed UI budget: 100% -> 82% over ~2 hours (manually observed UI values, not token/API measurements).
  • Stage 1 completed with project scaffold, UI, documentation, tests and successful frontend build. Rust compilation remained externally blocked by crates.io download failures.

Positive:

  • Good code quality.
  • Clear documentation.
  • Correct