reasoning.summary not supported with gpt-5.3-codex-spark

Open 💬 3 comments Opened Jun 5, 2026 by coalio

What version of Codex CLI is running?

0.137.0

What subscription do you have?

Pro

Which model were you using?

gpt-5.3.codex-spark

What platform is your computer?

Linux 6.6.87.2-microsoft-standard-WSL2 x86_64 x86_64

What terminal emulator and version are you using (if applicable)?

Neovide

Codex doctor report

What issue are you seeing?

reasoning.summary crashes on models that don't support it or use the older apis

Uploaded thread: 019e98e5-0eeb-70d1-b905-6173572a883c

What steps can reproduce the bug?

Uploaded thread: 019e98e5-0eeb-70d1-b905-6173572a883c

What is the expected behavior?

_No response_

Additional information

_No response_

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