overview changedmodels/haiku-4-5/overview
Nearest release: v2.1.296, published 15 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+1added
Lines−1removed
From line
6
where the diff opens
First seen
24 Aug 2026
this site's first read of the page
Recorded edits13to this page, all time
The whole hunk
from line 6, old and new numbered
/
from line 6
66
77**Legacy.** Released October 15, 2025.
88
9Although Claude Haiku 4.5 is still available, you should consider migrating to Claude Haiku 5.5 for improved performance. [See Claude Haiku 5.5](https://platform.claude.com/docs/en/models/haiku-5-5/overview) · [Migrate to Claude Haiku 5.5](https://platform.claude.com/docs/en/models/haiku-5-5/migration-guide)
9Although Claude Haiku 4.5 is still available, you should consider migrating to Claude Haiku 5.5. [See Claude Haiku 5.5](https://platform.claude.com/docs/en/models/haiku-5-5/overview) · [Migrate to Claude Haiku 5.5](https://platform.claude.com/docs/en/models/haiku-5-5/migration-guide)
1010
1111Model ID: `claude-haiku-4-5-20251001`
1212
No line in this hunk matches that.