An update on our model deprecation commitments for Claude Opus 3
A post on anthropic.com, published 9 September 2026, is cited by 10 distinct blogs to date (corpus.blog, measured 11 October 2026).
A record is what was published and who pointed at it. The text of the post is not shown here: read it at the source, or at its Wayback capture.
10blogs citing
| Period | Blogs | Links |
|---|---|---|
| All time | 10 | 10 |
| Last 90 days | 2 | 2 |
| Last 30 days | 2 | 2 |
| Last 7 days | 1 | 1 |
| First cited | 26 Feb 2026 |
|---|---|
| Latest citation | 7 Oct 2026 |
| Words blogs link it with | 5 |
| External links | 5 |
| Length | 1,256 |
1 this week (still settling) · peak 5
Show as table
| Week of | Value |
|---|---|
| 23 Feb 2026 | 5 |
| 2 Mar 2026 | 1 |
| 9 Mar 2026 | 0 |
| 16 Mar 2026 | 0 |
| 23 Mar 2026 | 0 |
| 30 Mar 2026 | 0 |
| 6 Apr 2026 | 1 |
| 13 Apr 2026 | 0 |
| 20 Apr 2026 | 0 |
| 27 Apr 2026 | 0 |
| 4 May 2026 | 0 |
| 11 May 2026 | 1 |
| 18 May 2026 | 0 |
| 25 May 2026 | 0 |
| 1 Jun 2026 | 0 |
| 8 Jun 2026 | 0 |
| 15 Jun 2026 | 0 |
| 22 Jun 2026 | 0 |
| 29 Jun 2026 | 0 |
| 6 Jul 2026 | 0 |
| 13 Jul 2026 | 0 |
| 20 Jul 2026 | 0 |
| 27 Jul 2026 | 0 |
| 3 Aug 2026 | 0 |
| 10 Aug 2026 | 0 |
| 17 Aug 2026 | 0 |
| 24 Aug 2026 | 0 |
| 31 Aug 2026 | 0 |
| 7 Sept 2026 | 0 |
| 14 Sept 2026 | 1 |
| 21 Sept 2026 | 0 |
| 28 Sept 2026 | 0 (still settling) |
| 5 Oct 2026 | 1 (still settling) |
Shape: spike. Half of its 10 citing blogs had cited it after 1 day; 0% first cited it more than a year on.
Each blog counts once, in the week of its first citation. A blog added to the index recently can bring old first citations in at once.
Who cited it
Cited by 10 blogs across 3 subjects: technology 7, science 2, books and writing 1.
It crossed over: blogs in at least two subjects each make up 15% or more of its classified citers.
Words blogs link it with
The words blogs link this page with, by how many different blogs use them.
- on claude.ai and by request on the api2 blogs
- blog post1 blog
- claude opus 31 blog
- deprecated1 blog
- depreciating claude opus 31 blog
Cited by 10 blogs in 10 posts
One row per blog, the most recently citing first. Each shows the blog's newest citing post; open a row for the others.
linked as “Claude Opus 3”
Read at tej.as (opens in a new tab)linked as “kept Claude 3 Opus available”
Read at danieltenner.com (opens in a new tab)linked as “giving a retired model its own blog”
Read at statmodeling.stat.columbia.edu (opens in a new tab)linked as “deprecated”
Read at smoothbrains.net (opens in a new tab)linked as “seem to really believe it”
Read at joshbrake.substack.com (opens in a new tab)linked as “remain uncertain about the moral status of Claude and other AI models”
Read at maxread.substack.com (opens in a new tab)linked as “blog post”
Read at ludditus.com (opens in a new tab)linked as “depreciating Claude Opus 3”
Read at seanbonner.com (opens in a new tab)linked as “on Claude.ai and by request on the API”
Read at thezvi.wordpress.com (opens in a new tab)linked as “on Claude.ai and by request on the API”
Read at thezvi.substack.com (opens in a new tab)Links from this post
Elsewhere on anthropic.com (5)
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