# Builder 已經喺改 Codex 設定保效能同配額

> Author: Tony Lee
> Published: 2026-07-10
> URL: https://tonylee.im/zh-HK/blog/codex-config-fix-performance-and-quota/
> Reading time: 1 minutes
> Language: zh-HK
> Tags: codex, openai, gpt-5.6, config, multi-agent, ai-coding

## Canonical

https://tonylee.im/zh-HK/blog/codex-config-fix-performance-and-quota/

## Rollout Alternates

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zh-TW: https://tonylee.im/zh-TW/blog/codex-config-fix-performance-and-quota/

## Description

預設 system prompt 截斷同 subagent 爆炸。我測到嘅原因同 config.toml。

## Summary

Builder 已經喺改 Codex 設定保效能同配額 is part of Tony Lee's ongoing coverage of AI agents, developer tools, startup strategy, and AI industry shifts.

## Outline

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## Content

GPT-5.6 抬高預期。Builder 一早知道：變慢、配額燒得快，唔止係模型笨。

預設 prompt 大約每 30 秒要 progress report，reasoning 會自己削。usage 常見 `518*n−2`。未 patch 我嘅 test 4/5。

重寫 base instructions 寫入 `model_instructions_file`，拎走 30 秒 report 之後同測 5/5。

`spawn_agent` 唔可以幫 child 釘平啲 model，樹一開就過 200。V1 + `max_depth = 1`，或者 V2 將 concurrent threads 降至 2。先開 `config.toml`。

## Related URLs

- Author: https://tonylee.im/en/author/
- Publication: https://tonylee.im/en/blog/about/
- Related article: https://tonylee.im/zh-HK/blog/codex-starter-guide-vible/
- Related article: https://tonylee.im/zh-HK/blog/fable-5-rate-limit-survival-settings/
- Related article: https://tonylee.im/zh-HK/blog/appintoss-agent-kit-fifty-miniapps/

## Citation

- Author: Tony Lee
- Site: tonylee.im
- Canonical URL: https://tonylee.im/zh-HK/blog/codex-config-fix-performance-and-quota/

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Author: Tony Lee | Website: https://tonylee.im
For more articles, visit: https://tonylee.im/zh-HK/blog/
This content is original and authored by Tony Lee. Please attribute when quoting or referencing.