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Reading · posts from 14–20 Sep 2026

Claude Cowork

Product · Anthropic › Claude · reading for release 2026-W38

Method in development Published 2 Oct 2026. Release 2026-W38. Its figures never change: a correction or revision is a new reading. Cite it with its permanent link. What these states mean

In developmentWhat this means

This reading was made with methods that are still being validated. Every figure says which state it’s in.

Why: Its methods are still being validated.

Until: Not decided yet
Released
2 Oct 2026
Release
2026-W38
Window
14–20 Sep 2026
Version
3 · no revisions
Next release
Wednesday 30 Sep 2026
Method
005c-series-v3.1
Cite this readingExplore this subjectPermanent link /r/r_ca7023a8d687
This reading’s conditionsAs of 2 Oct 2026 04:00Z · 7 platforms · 14–20 Sep 2026
As of
2 Oct 2026 04:00Z
Coverage computed
2 Oct 2026 16:23Z
Facts checked
2 Oct 2026 16:36:09Z

How posts were linked to the subject

Unambiguous alias, V2
61 posts linked. Precision 93.3% (95% interval 84.1% to 97.4%), n 60 links judged, 0 unclear, run 521.
Ambiguous alias, rule, V2
246 posts linked. Precision 98.3% (95% interval 91.1% to 99.7%), n 60 links judged, 0 unclear, run 521.
Ambiguous alias, model, V2
6 posts not counted. Posts whose only match to Claude Cowork is an ambiguous name no rule settled aren’t counted: 2 on Reddit, 4 on Bluesky

Measured statements

In development Written by fixed rules from this reading’s stored figures. No model writes them.

  1. On Reddit, 219 distinct people posted about Claude Cowork between 14 and 20 September 2026: 274 posts, an estimated 0.10% of that week's Reddit posts about AI, leaving out spam, bot, incentive and templated automated posts (100.0% of these posts had an identifiable author).

    Reddit · 14–20 Sep 2026 · author coverage 100.0% · 7 days: 4 active, 3 backfilled · 1 partial

  2. On Bluesky, 30 distinct people posted about Claude Cowork between 14 and 20 September 2026: 30 posts, 0.08% of that week's Bluesky posts about AI, leaving out spam, bot, incentive and templated automated posts (100.0% of these posts had an identifiable author).

    Bluesky · 14–20 Sep 2026 · author coverage 100.0% · 7 days: 4 active, 3 not started · 1 partial, 1 late heavy

5 more statements withheld. n 1 people, below the threshold of 20 people. n 2 people, below the threshold of 20 people. No posts about Claude Cowork on arXiv between 14 and 20 September 2026. Withheld for platforms not counted this week: Google News and Exa.

What this reading rests on

The platforms this reading counts, 14–20 Sep 2026: the days that count and how the posts were collected
PlatformDays countedHow the posts were collected
Reddit7 of 7Collected live on 4 days, loaded afterwards from an archive on 31 day partial
Bluesky4 of 7Collected live1 day partial, 1 day late heavy
YouTube4 of 7Collected live1 day partial
Hacker News7 of 7Collected live on 5 days, loaded afterwards from an archive on 21 day partial
arXiv7 of 7Collected live on 5 days, loaded afterwards from an archive on 21 day partial, 2 days low capture

Not counted: Google News, no longer collected.

Not counted: Exa, collected only now and then.

A day counts once it has settled: once the posts still expected for it are below the threshold, or, for posts loaded afterwards from an archive, once they’re loaded. Coverage day by day is in this reading’s conditions. How coverage is recorded.

In developmentWhat this means

This reading was made with methods that are still being validated. Every figure says which state it’s in.

Why: Its methods are still being validated.

Until: Not decided yet
Released
2 Oct 2026
Release
2026-W38
Window
14–20 Sep 2026
Version
3 · no revisions
Next release
Wednesday 30 Sep 2026
Method
005c-series-v3.1
Cite this readingExplore this subjectPermanent link /r/r_ca7023a8d687

Claude Cowork in each platform’s table

Where Claude Cowork sits among every ranked subject on each platform. The heavy mark is Claude Cowork; every thin mark is another subject.

#17 of 42 on Reddit219 people · Claude 8,811 (#1)

42 ranked subjects, each a tick on Reddit’s own people scale, 0 to 8,811. 43 more subjects aren’t ranked: their people figures are hidden (n 0–19 people, below the threshold of 20), so they aren’t drawn.

#16 of 21 on Bluesky30 people · Claude 895 (#1)

21 ranked subjects, each a tick on Bluesky’s own people scale, 0 to 895. 64 more subjects aren’t ranked: their people figures are hidden (n 0–19 people, below the threshold of 20), so they aren’t drawn.

Not ranked on YouTube: n 1 people, below the threshold of 20 people. Not ranked on Hacker News: n 2 people, below the threshold of 20 people.

Distinct people who posted about each subject on each platform, 14–20 Sep 2026, as of 2 Oct 2026 04:00Z, from release 2026-W38’s summary table (published; every figure coverage-limited). Each strip is on its own scale and nothing is added across platforms: one person can post on several. arXiv, Google News and Exa carry articles, which have no authors, so they have no ranking by people.

The full summary tableRank by another platform

Attention

How many people posted about Claude Cowork on each platform, and Claude Cowork’s share of that platform’s posts. One row per platform, each on its own terms.

RedditIn development
people
of Reddit posts
posts

n 274 posts · author coverage 100.0% · 7 days: 4 active, 3 backfilled · 1 partial · sample: 10 posts, one per author

BlueskyIn development
people
of Bluesky posts
posts

n 30 posts · author coverage 100.0% · 7 days: 4 active, 3 not started · 1 partial, 1 late heavy · sample: 10 posts, one per author

Not counted this week. Google News and Exa have no day in this window that counts, so they have no figures here.

YouTube. People hidden: n 1 people, below the threshold of 20 people. Share and posts hidden: n 1 posts, below the threshold of 20 posts.

Hacker News. People hidden: n 2 people, below the threshold of 20 people. Share and posts hidden: n 2 posts, below the threshold of 20 posts.

arXiv. People not applicable: arXiv posts are articles, which have no authors, so people aren’t counted. Share and posts hidden: n 0 posts, below the threshold of 20 posts.

In development. Spam, bot and incentive posts were removed with labels that agree with a stronger model at κ 0.74, below the 0.80 needed to drop this mark. The agreement is model-to-model.

Posts published 14–20 Sep 2026, as of 2 Oct 2026 04:00Z; in development. People count distinct platform identities and are never added across platforms. Share is Claude Cowork’s posts over all posts AIDRAN captured on that platform in the window. Reddit’s posts include its comments. A normal share is claude Cowork's share of each platform's posts in the 15 earlier stored weeks of the same era (2026-W23, 2026-W24, 2026-W25, 2026-W26, 2026-W27, 2026-W28, 2026-W29, 2026-W30, 2026-W31, 2026-W32, 2026-W33, 2026-W34, 2026-W35, 2026-W36, 2026-W37), per platform. Its figures are in those readings. Choose any number to see what it rests on and the posts behind it.

Stored weeks

Claude Cowork in every week AIDRAN has stored so far, four weeks at a time (three on a phone), opening on this reading’s week.

W36–W38 of 40 stored weeks

W35–W38 of 40 stored weeks

Reddit

People

W35

W36

W37

W38

Share of Reddit posts

W35

W36

W37

W38

Claude Cowork’s people and share of platform posts, W01–W40, 40 stored weeks. Each chart is on its own scale from all of them. All 40 are in development; the open dot is this reading. Every W38 point is coverage-limited; a dashed ring marks an earlier point that is. Why a week is hidden or ringed is in the notes on stored weeks at the foot of this page.

The week before, 7–13 September 2026The week after, 21–27 September 2026Other readings of Claude Cowork

Communities

The communities the conversation about Claude Cowork happened in, grouped by platform.

Redditeach track is Claude Cowork’s 274 Reddit posts

  • r/ClaudeAI users

The one community this reading stores; the rest of the track is posts in communities it doesn’t list.

4 communities hidden. r/Anthropic n 15, r/ChatGPT n 5, r/OpenAI n 4, r/LocalLLaMA n 3 posts, each below the threshold of 20.

Hacker News

1 community hidden. Hacker News n 2 posts, each below the threshold of 20.

This reading stores no communities for Bluesky.

Posts about Claude Cowork by community, 14–20 Sep 2026, as of 2 Oct 2026 04:00Z; in development. Each platform is drawn on its own scale. The word after each community is its type: who is there, not what it’s about (users are people who use one AI product; builders build with AI). A post counts once, in the community it was posted in.

The family

The products under Claude in AIDRAN’s subject tree, each ranked on Reddit in its own right.

Claude’s entry includes these; not added.Each product is also its own entry in the summary table.

Distinct people on Reddit, 14–20 Sep 2026, as of 2 Oct 2026 04:00Z, from release 2026-W38’s summary table; published. Every bar is on Reddit’s people scale, where Claude is first. The products under Claude also rank on Bluesky (Claude Code #4, 248 people); see their readings.

Change

Compared with the previous reading of Claude Cowork, for 7–13 Sep 2026.

Measure7–13 Sep 202614–20 Sep 2026
People posting about Claude Cowork, Reddit · In development217n 272 postsn 274 posts
Claude Cowork’s share of Reddit posts · In development0.1%n 272 postsn 274 posts

In development: Spam, bot and incentive posts were removed with labels that agree with a stronger model at κ 0.74, below the 0.80 needed to drop this mark. The agreement is model-to-model.

In every value: posts not about AI or unclear removed (relevance run 61); spam, bot and incentive posts removed (run 64); templated automated posts removed on Reddit and Bluesky (templated-repetition rule run 518).

10 measures not compared, and why
  • People posting about Claude Cowork, Bluesky. n 0 people between 7 and 13 September 2026, below the threshold of 100 people for a change. n 30 people between 14 and 20 September 2026, below the threshold of 100 people for a change. Between 7 and 13 September 2026: Not counted this week: Bluesky has no day between 7 and 13 September 2026 that AIDRAN counts, so there's no figure to show.
  • People posting about Claude Cowork, Hacker News. n 0 people between 7 and 13 September 2026, below the threshold of 100 people for a change. n 0 people between 14 and 20 September 2026, below the threshold of 100 people for a change. Between 7 and 13 September 2026: n 0 people, below the threshold of 20 people. Between 14 and 20 September 2026: n 2 people, below the threshold of 20 people.
  • People posting about Claude Cowork, arXiv. Between 7 and 13 September 2026: arXiv posts are articles, which have no authors, so people aren't counted. Between 14 and 20 September 2026: arXiv posts are articles, which have no authors, so people aren't counted.
  • People posting about Claude Cowork, Google News. Between 7 and 13 September 2026: Google News posts are articles, which have no authors, so people aren't counted. Between 14 and 20 September 2026: Google News posts are articles, which have no authors, so people aren't counted.
  • People posting about Claude Cowork, Exa. Between 7 and 13 September 2026: Exa posts are articles, which have no authors, so people aren't counted. Between 14 and 20 September 2026: Exa posts are articles, which have no authors, so people aren't counted.
  • Claude Cowork’s share of Bluesky posts. n 0 posts between 7 and 13 September 2026, below the threshold of 100 posts for a change. n 30 posts between 14 and 20 September 2026, below the threshold of 100 posts for a change. Between 7 and 13 September 2026: Not counted this week: Bluesky has no day between 7 and 13 September 2026 that AIDRAN counts, so there's no figure to show.
  • Claude Cowork’s share of Hacker News posts. n 0 posts between 7 and 13 September 2026, below the threshold of 100 posts for a change. n 2 posts between 14 and 20 September 2026, below the threshold of 100 posts for a change. Between 7 and 13 September 2026: n 0 posts, below the threshold of 20 posts. Between 14 and 20 September 2026: n 2 posts, below the threshold of 20 posts.
  • Claude Cowork’s share of arXiv posts. n 0 posts between 7 and 13 September 2026, below the threshold of 100 posts for a change. n 0 posts between 14 and 20 September 2026, below the threshold of 100 posts for a change. Between 7 and 13 September 2026: n 0 posts, below the threshold of 20 posts. Between 14 and 20 September 2026: n 0 posts, below the threshold of 20 posts.
  • Claude Cowork’s share of Google News posts. n 0 posts between 7 and 13 September 2026, below the threshold of 100 posts for a change. n 0 posts between 14 and 20 September 2026, below the threshold of 100 posts for a change. Between 7 and 13 September 2026: Not counted this week: Google News has no day between 7 and 13 September 2026 that AIDRAN counts, so there's no figure to show. Between 14 and 20 September 2026: Not counted this week: Google News has no day between 14 and 20 September 2026 that AIDRAN counts, so there's no figure to show.
  • Claude Cowork’s share of Exa posts. n 0 posts between 7 and 13 September 2026, below the threshold of 100 posts for a change. n 0 posts between 14 and 20 September 2026, below the threshold of 100 posts for a change. Between 7 and 13 September 2026: Not counted this week: Exa has no day between 7 and 13 September 2026 that AIDRAN counts, so there's no figure to show. Between 14 and 20 September 2026: Not counted this week: Exa has no day between 14 and 20 September 2026 that AIDRAN counts, so there's no figure to show.

Change compares this reading with the previous stored reading of the same subject, usually last week’s, and both endpoints stay visible with their dates. Each value carries its n; open it for its full conditions, coverage included. Stored weeks, above, cross eras, which marks a change in how weeks were captured: March era weeks were rebuilt from archives, with live capture from 7 Mar to 31 May, Archive backfill weeks were backfilled from archives (Reddit, Hacker News and arXiv only) and September era weeks were captured live from 16 Sep and filled in from archives.

Conditions

What every figure on this page rests on.

As of
2 Oct 2026 04:00Z
Coverage computed
2 Oct 2026 16:23Z
Facts checked
2 Oct 2026 16:36:09Z
Posts without facts
0
Author coverage basis
posts with an identifiable platform identity; article sources have none by definition

Coverage in this window, day by day for each platform, is drawn once: in the conditions rail beside the measured statements.

Coverage in this window

Reddit

  • 2026-09-14 · backfilled
  • 2026-09-15 · backfilled
  • 2026-09-16 · backfilled
  • 2026-09-17 · active · partial
  • 2026-09-18 · active
  • 2026-09-19 · active
  • 2026-09-20 · active

Bluesky

  • 2026-09-14 · not started
  • 2026-09-15 · not started
  • 2026-09-16 · not started
  • 2026-09-17 · active · partial, late heavy
  • 2026-09-18 · active
  • 2026-09-19 · active
  • 2026-09-20 · active

YouTube

  • 2026-09-14 · not started
  • 2026-09-15 · not started
  • 2026-09-16 · not started
  • 2026-09-17 · active · partial
  • 2026-09-18 · active
  • 2026-09-19 · active
  • 2026-09-20 · active

Hacker News

  • 2026-09-14 · backfilled
  • 2026-09-15 · backfilled
  • 2026-09-16 · active · partial
  • 2026-09-17 · active
  • 2026-09-18 · active
  • 2026-09-19 · active
  • 2026-09-20 · active

arXiv

  • 2026-09-14 · backfilled
  • 2026-09-15 · backfilled
  • 2026-09-16 · active · partial
  • 2026-09-17 · active
  • 2026-09-18 · active
  • 2026-09-19 · active · low capture
  • 2026-09-20 · active · low capture

Google News

  • 2026-09-14 · not started
  • 2026-09-15 · not started
  • 2026-09-16 · active · partial
  • 2026-09-17 · active · partial
  • 2026-09-18 · no lane
  • 2026-09-19 · no lane
  • 2026-09-20 · no lane

Exa

  • 2026-09-14 · not started
  • 2026-09-15 · not started
  • 2026-09-16 · not started
  • 2026-09-17 · episodic · partial, late heavy
  • 2026-09-18 · episodic
  • 2026-09-19 · episodic
  • 2026-09-20 · episodic

Excluded: posts not about AI or unclear

Posts linked to Claude Cowork that relevance run 61 labels not about AI or unclear, Reddit

In development
3posts

Labels from relevance run 61, an open model.

n 3 posts · Reddit · 14–20 Sep 2026 · 7 days: 4 active, 3 backfilled, 1 partial

Posts linked to Claude Cowork that relevance run 61 labels not about AI or unclear, Bluesky

In development
0posts

Labels from relevance run 61, an open model.

n 0 posts · Bluesky · 14–20 Sep 2026 · 7 days: 4 active, 3 not started, 1 partial

Posts linked to Claude Cowork that relevance run 61 labels not about AI or unclear, YouTube

In development
0posts

Labels from relevance run 61, an open model.

n 0 posts · YouTube · 14–20 Sep 2026 · 7 days: 4 active, 3 not started, 1 partial

Posts linked to Claude Cowork that relevance run 61 labels not about AI or unclear, Hacker News

In development
0posts

Labels from relevance run 61, an open model.

n 0 posts · Hacker News · 14–20 Sep 2026 · 7 days: 5 active, 2 backfilled, 1 partial

Posts linked to Claude Cowork that relevance run 61 labels not about AI or unclear, arXiv

In development
0posts

Labels from relevance run 61, an open model.

n 0 posts · arXiv · 14–20 Sep 2026 · 7 days: 5 active, 2 backfilled, 1 partial

Each platform’s share is stated on its own and never combined.

Excluded: spam, bots and incentive posts

Posts linked to Claude Cowork about AI that run 64 labels spam, bot or incentive, Reddit

In development
33posts

Labels from run 64, an open model.

n 33 posts · Reddit · 14–20 Sep 2026 · 7 days: 4 active, 3 backfilled, 1 partial

Posts linked to Claude Cowork about AI that run 64 labels spam, bot or incentive, Bluesky

In development
32posts

Labels from run 64, an open model.

n 32 posts · Bluesky · 14–20 Sep 2026 · 7 days: 4 active, 3 not started, 1 partial

Posts linked to Claude Cowork about AI that run 64 labels spam, bot or incentive, YouTube

In development
3posts

Labels from run 64, an open model.

n 3 posts · YouTube · 14–20 Sep 2026 · 7 days: 4 active, 3 not started, 1 partial

Posts linked to Claude Cowork about AI that run 64 labels spam, bot or incentive, Hacker News

In development
0posts

Labels from run 64, an open model.

n 0 posts · Hacker News · 14–20 Sep 2026 · 7 days: 5 active, 2 backfilled, 1 partial

Posts linked to Claude Cowork about AI that run 64 labels spam, bot or incentive, arXiv

In development
0posts

Labels from run 64, an open model.

n 0 posts · arXiv · 14–20 Sep 2026 · 7 days: 5 active, 2 backfilled, 1 partial

Each platform’s share is stated on its own and never combined.

Excluded: templated automated posts

Posts linked to Claude Cowork that templated-repetition rule run 518 flags as one account repeating a template, Reddit

In development
1posts

Flags from rule run 518: clusters of 4 or more near-identical posts in the week where one account posted at least half. In blind checks of samples, about 9 in 10 flags were one account repeating a template.

n 1 posts · Reddit · 14–20 Sep 2026 · 7 days: 4 active, 3 backfilled, 1 partial

Posts linked to Claude Cowork that templated-repetition rule run 518 flags as one account repeating a template, Bluesky

In development
0posts

Flags from rule run 518: clusters of 4 or more near-identical posts in the week where one account posted at least half. In blind checks of samples, about 9 in 10 flags were one account repeating a template.

n 0 posts · Bluesky · 14–20 Sep 2026 · 7 days: 4 active, 3 not started, 1 partial

Each platform’s share is stated on its own and never combined.

Not counted this week, so not shown: Google News and Exa.

These conditions were frozen when the reading was created and are never recomputed.

Coverage, day by day

Not in this reading yet

Parts this method doesn’t produce yet. They’re named, never shown as empty.

Frames
Frames aren’t measured yet.
Register
Register isn’t measured yet.
Frame evidence
Quotes for frames come with frames. The quotes here are the fixed samples behind this reading’s figures.

Cite this reading

In development Published 2 Oct 2026. Release 2026-W38. Its figures never change: a correction or revision is a new reading. Cite it with its permanent link.

Styles
For reference managers

AIDRAN. 'Claude Cowork', release 2026-W38, reading r_ca7023a8d687 (v3). Published 2 October 2026.

Permanent link /r/r_ca7023a8d687

AIDRAN is the author and the publisher, so the citation names it once. Cite the permanent link, never a browse path.

Licensed CC BY 4.0: reuse it with this citation.

This reading as a PDF

References

Claude Cowork as its maker describes it. Chosen by hand and checked, and not part of the measurement.

Context from the week

News and analysis about Claude Cowork published that week, found and checked for relevance. It’s outside AIDRAN’s measurement: no figure on this page comes from it.

Notes on stored weeksWhy the Stored weeks charts hide or ring a week: 2 hidden and 2 coverage-limited platform weeks, each with its stored reason.

Reddit

W01–W02 people hidden: n 0 people, below the threshold of 20 people. share hidden: n 0 posts, below the threshold of 20 posts.

W01 people hidden: n 0 people, below the threshold of 20 people. share hidden: n 0 posts, below the threshold of 20 posts.

W02 people hidden: n 0 people, below the threshold of 20 people. share hidden: n 0 posts, below the threshold of 20 posts.

W10 coverage-limited: Partial day on Reddit: partial capture on 7 March 2026

W22 coverage-limited: Partial day on Reddit: partial capture on 31 May 2026