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Anthropic
Conceptual similarity to Claude

@arenaX · Sep 11, 2026

Conceptual similarity to Claude

@arena's scatter plot drew 222K views on X: 4.8x its median post and #246 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Conceptual similarity to Claude: Proximity to Claude

XScatter plot Claude Opus 5 All Anthropic models GLM 5.3 Kimi K3 Claude Sonnet 5Claude Sonnet 4.5Claude Sonnet 4.5 (High)

@arena: Conceptual similarity to Claude — Published by @arena on X, Sep 11, 2026. Source: x.com

65/ 100

ViralChart score

Wide but thin

More views than the median post but a lower engagement rate: many saw it, few acted. Common for big accounts.

#352 of 1,162 AI chart posts we hold · #54 of 239 @arena posts. Score = views 40%, likes 30%, engagement rate 15%, save rate 15%, each as a percentile of every AI chart post we hold.

Our read

The post sits in the Wide but thin quadrant, with a score rank of #352 of 1,162 AI chart posts.

Its 222K views sit 4.8x @arena's 46.2K median post, ranking #41 of 239 @arena posts by views.

Engagement lands at 0.38%, the 16th percentile among AI chart posts and below the 0.73% median.

At 0.95 views per follower it reaches the 77th percentile, against a 0.20 median across posts with known followers.

9.9xthe median scatter plot post

Across 187 scatter plot posts we hold, the median gets 22.4K views.

4.8x@arena's median post

222K views, where @arena's typical post gets 46.2K.

bottom 16%engagement rate

0.38% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

3posts from @arena that day

Part of a run of 3 posts on Sep 11, 2026. This one was #1 of 3 by views that day.

Public X numbers from our read on Oct 13, 2026. Peers: 1,162 AI chart posts we hold and 239 from @arena.

Where it sits

Reach against resonance

Each dot is a post. Right is more views, up is a higher engagement rate. The lines are the medians, so the four corners are the four kinds of post.

Among 1,162 AI chart posts we hold

Score #352 of 1,162

Views	222K	#246	top 21%
Likes	693	#352	top 30%
Engagement rate	0.38%	#972	bottom 16%
Save rate	0.108%	#388	top 33%

Among 239 @arena posts

Score #54 of 239

Views	222K	#41	top 17%
Likes	693	#58	top 24%
Engagement rate	0.38%	#199	bottom 17%
Save rate	0.108%	#65	top 27%

Growth

Our reads cover 28 hours

Views222K

Age at our read32 days

Views per day of life6.9Kviews divided by days since it was posted

Gained between our reads+26views over 28 hours, about 22 a day now

Dots are our reads. The dotted line from the day it was posted to our first read is a gap, not data.

@arena's posts over time

Every post from this account we hold, by date and views. This one is marked; the line is the running median of the last 10.

News · Sep 11, 2026

@arena scatter plot on conceptual similarity to Claude

A 6-model scatter plot drew 222K views on September 11, 2026, with engagement at the 16th percentile among AI chart posts.

What happened

@arena posted a scatter plot on conceptual similarity to Claude on September 11, 2026. It came with 2 other posts from the account that day, on Agent Arena Spark 1.3 (Max) Ranked #13 and Agent Arena Spark 1.3 (Max) Performance.

The numbers

It reached 222K views, #246 of 1,162 AI chart posts and #41 of 239 @arena posts. Its score rank is #352 of 1,162 AI chart posts.

The lesson

A 6-model scatter plot drew 222K views, 4.8x @arena's 46.2K median, but engagement of 0.38% sits at the 16th percentile among AI chart posts. The views per follower of 0.95, at the 77th percentile, came with a save rate of 0.11%.

What it means

At #54 of 239 @arena posts by score, this scatter plot trails the account's own engagement median of 0.68%. The 222K views against a 39.9K median among AI chart posts show reach without matching engagement.

Written by ViralChart from public numbers read on Oct 13, 2026. Every number is checked against our data before it is shown.

Updates: what @arena posted next

Data and API

Its post numbers, ready to fetch

We have not read the numbers off this chart yet. Its post numbers, ranks and score are in the API now.

Max plan · API

GET https://viral-chart.com/api/posts/5470c460e3da.json

Open the post JSON API docs

Static files in this prototype. The post JSON holds the public numbers, ranks, score, quadrant, our reads and, when checked, our copy.

API

Not in the API yet

We have not read this chart's numbers yet, so the API has nothing to return for it. Charts with numbers read are on the data page, and each one can be called by id.

Charts with data API docs

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