Create a Message Batch changedapi/messages/batches/create
Nearest release: v2.1.322, published 2 hours before 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+8added
Lines−0removed
From line
1,123
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits25to this page, all time
The whole hunk
from line 1123, old and new numbered
/
from line 1123
11231123
11241124 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
11251125
1126 - `"claude-fable-5-2"`
1127
1128 Built for the most ambitious work in coding, enterprise workflows, and the sciences
1129
1130 - `"claude-mythos-5-2"`
1131
1132 Built for the most demanding cybersecurity and life sciences research, available through verification programs
1133
11261134 - `"claude-haiku-5-5"`
11271135
11281136 Fastest model for high-volume, real-time tasks
No line in this hunk matches that.