Show HN: Codex context bloat? 87% avg reduction on SWE-bench Verified traces

  • Posted 2 hours ago by george_ciobanu
  • 4 points
https://www.npmjs.com/package/pando-proxy
If you had to build a context window manager in 24h, would you stick to the existing model or come up with something better?

Here's what I did:

1. Built a proxy that intercepts Codex's calls to OpenAI and rewrites them on the fly.

2. Replayed 3,807 rounds of SWE-bench Verified traces through it: avg prompt 44k → 6k tokens (-87%).

3. Posted it to HN to get the next reduction applied to my confidence interval — starting with the inevitable "How about accuracy?"

npx -y pando-proxy · github.com/human-software-us/pando-proxy

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