11 people reported
All time, since Sep 16, including 8 thumbs-up on GitHub.
Bedrock rejects reasoning.summary
“When using Amazon Bedrock Runtime with global.openai.gpt-5.6-terra, Codex fails before the session starts because Bedrock rejects reasoning.summary.”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/codex/issues/16401/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
Bedrock requests fail on unsupported reasoning.summary parameter. Amazon Bedrock Runtime rejects requests because Codex sends reasoning.summary, even when config sets model_reasoning_summary = "none".
Is this your bug?
File my report- Where
- Amazon Bedrock provider
- Error text
Unsupported parameter: 'reasoning.summary' is not supported with the 'global.openai.gpt-5.6-terra' model.- Versions
- 0.155.0 to 26.908.70816
- Platforms
- macOS
- How bad
- Stops work: a core feature can't be used. Most reports say it used to work. Some reports say it blocks them completely.