OpenAI GPT5 Responses API Logs Show <no output> Despite Having an Output

[cmorrison5]

Currently the Responses API logs are showing no output. When you actually go into the particular id for any specific log though, it shows the actual output. This appears to be a bug only for GPT5. This does not happen for 4.1.

[cmorrison5]

Additional photo.

[_j]

What’s going on is that ‘logs’ is only reading the first output item.
For gpt-5, that is a reasoning summary:

Empty reasoning summary object (which the endpoint returns anyway)? Your symptom: