codex - 💡(How to fix) Fix 0.129.0: /compact fails with unknown service_tier parameter

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After upgrading Codex from 0.128.0 to 0.129.0, /compact fails with an OpenAI API parameter error.

Error Message

After upgrading Codex from 0.128.0 to 0.129.0, /compact fails with an OpenAI API parameter error. Error running remote compact task: { "error": {

Root Cause

After upgrading Codex from 0.128.0 to 0.129.0, /compact fails with an OpenAI API parameter error.

Code Example

Error running remote compact task: {
  "error": {
    "message": "Unknown parameter: 'service_tier'.",
    "type": "invalid_request_error",
    "param": "service_tier",
    "code": "unknown_parameter"
  }
}
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Summary

After upgrading Codex from 0.128.0 to 0.129.0, /compact fails with an OpenAI API parameter error.

Reproduction

  1. Upgrade Codex to 0.129.0.
  2. Run /compact in a Codex session.

Actual behavior

/compact fails with:

Error running remote compact task: {
  "error": {
    "message": "Unknown parameter: 'service_tier'.",
    "type": "invalid_request_error",
    "param": "service_tier",
    "code": "unknown_parameter"
  }
}

Expected behavior

/compact should complete successfully.

Regression

This did not happen in 0.128.0; it started after upgrading to 0.129.0.

Environment

  • Codex version with issue: 0.129.0
  • Last known working Codex version: 0.128.0
  • Command: /compact
  • Shell/OS context: Windows / PowerShell

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FAQ

Expected behavior

/compact should complete successfully.

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