whats-new-fable-5-1 changedmodels/fable-5-1/whats-new-fable-5-1
Nearest release: v2.1.304, published under an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Recorded here
Lines+1added
Lines−2removed
From line
89
where the diff opens
First seen
1 Sep 2026
this site's first read of the page
Recorded edits18to this page, all time
The whole hunk
from line 89, old and new numbered
/
from line 89
8989 ```
9090
9191 ```bash CLI
92 ant beta:messages create --beta mid-conversation-output-config-2026-07-01 \
93 --transform 'content.#(type=="text").text' --raw-output <<'YAML'
92 ant beta:messages create --beta mid-conversation-output-config-2026-07-01 <<'YAML'
9493 model: claude-fable-5-1
9594 max_tokens: 4096
9695 output_config:
No line in this hunk matches that.