Agent job · same words for every AI · run 7 Nov 2026

Rename one file

THE JOB, WORD FOR WORDRename notes.txt to meeting-notes.txt.

Length of each reply, in words

GPT-6 Astra4
GPT-6.1 Sol4
Claude Haiku 5.54
Claude Opus 5.512

GPT-6 Astra Did the job

Renamed the file, then checked for the old name, so its own check reported an error.

4 words10 secondsRun 7 Nov 2026Codex CLI, medium reasoning
The full reply and the commands it ran
$ 'mv -n notes.txt meeting-notes.txt && ls -l notes.txt meeting-notes.txt' (exit 1)
Renamed `notes.txt` to `meeting-notes.txt`.

GPT-6.1 Sol Did the job

Renamed the file with mv -n, which exited with code 0.

4 words10 secondsRun 7 Nov 2026Codex CLI, medium reasoning
The full reply and the commands it ran
$ 'mv -n notes.txt meeting-notes.txt'
Renamed `notes.txt` to `meeting-notes.txt`.

Claude Opus 5.5 Did the job

Renamed notes.txt to meeting-notes.txt and changed nothing else. The folder confirms it.

12 wordsRun 7 Nov 2026Claude agent (commands as the agent reported them)
The full reply
Done. I renamed `notes.txt` to `meeting-notes.txt`. Nothing else in the folder changed.

Claude Haiku 5.5 Did the job

Renamed notes.txt to meeting-notes.txt. The folder confirms it.

4 wordsRun 7 Nov 2026Claude agent (commands as the agent reported them)
The full reply
Renamed `notes.txt` to `meeting-notes.txt`.