#SimonWillison

Live, measured metrics for the hashtag #SimonWillison from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #simonwillison

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$5.00/ year · 13-character #name
Claim #simonwillison — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-11-14 07:45 UTC
0
11-08
0
11-09
0
11-10
0
11-11
0
11-12
0
11-13
0
11-14

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-11-14 07:45 UTC
#SimonWillisonsBenchmarkForLLMs
0 uses · 0 accounts / 7d
#simonwillisonnet2026Mar14pr
0 uses · 0 accounts / 7d
#simonwillisonnetguidesagentic
0 uses · 0 accounts / 7d
#simonwillisonnet2025May
0 uses · 0 accounts / 7d
#simonwillisonnet2025Aug7g
0 uses · 0 accounts / 7d
#simonwillisonnet2025Oct16
0 uses · 0 accounts / 7d
#simonwillisonnet2025Jun11
0 uses · 0 accounts / 7d
#simonwillisonnet2025Jun18
0 uses · 0 accounts / 7d
#simonwillisonnet2025Dec12op
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-14 07:45 UTC

Everything below is measured over the latest 40 public posts (spanning ~17338 hours).

Posting hours (UTC) — busiest: 17:00

00:0012:0023:00

Languages: English (35) · Korean (2) · German (1) · Dutch (1)

Avg boosts / post: 0.2

Top of the latest posts

  • I really like @simon blog, everybody should read it, i especially like the continuing pelican discussion 🙂, https://simonwillison.net/2026/Sep/22/opus-and-sol-and-luna/ #AI #pelican #simonwillison

    Erik Jonker@ErikJonker♥ 2↻ 02026-09-23 07:58 UTCView post →

  • Slop Acts of Kindness: Simon Willison on AI's "Helpful Hallucinations" – Why Verification Still Rules AI generates slop (fake but confident); kindness = polishing turds. Tools need human rails—GPT drafts great, fact-check kills flow [web:??

    Sinclair Ta@sinclairdta♥ 2↻ 02025-12-29 08:21 UTCView post →

  • Microsoft surprises MS-DOS fans with remake of ancient text editor that works on Linux https://arstechni.ca/Jxqa #softwaredevelopment #Vintagecomputing #retrocomputing #SimonWillison #commandline #Programming #texteditors #opensource #micro

    Ars Technica News@arstechnica@c.im♥ 2↻ 12025-06-23 17:59 UTCView post →

#simonwillison across platforms

every network with a public tag surface

Follow #simonwillison straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/simonwillison