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@arenaX · Sep 26, 2026

Text Arena Leaderboard

@arena's leaderboard drew 265.3K views on X: 5.7x its median post and #226 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Claude Opus 5.5 Ranked #1

XDataLeaderboardClaude Opus 4.6All Anthropic modelsClaude Opus 4.7Muse SparkClaude Opus 5.5 (High)Claude Fable 4.6 (High)Claude Opus 5 (High)Claude Fable 5.1 MaxMuse Spark 1.2 (xHigh)
Published by @arena on X, Sep 26, 2026. Source: x.com
72/ 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.

#185 of 1,162 AI chart posts we hold · #24 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

It sits in the Wide but thin quadrant, at #185 of 1,162 AI chart posts by score.

Its 265K views sit 5.7x @arena's median post of 46.2K, at #38 of 239 @arena posts.

A score of 72 places it at #185 of 1,162 AI chart posts and #24 of 239 @arena posts.

At 1.13 views per follower against a 0.20 median, it lands in the 79th percentile.

5.7x@arena's median post

265.3K views, where @arena's typical post gets 46.2K.

5.9xthe median leaderboard post

Across 107 leaderboard posts we hold, the median gets 45.3K views.

2posts from @arena that day

Part of a run of 2 posts on Sep 26, 2026. This one was #1 of 2 by views that day.

1.13views per follower

265.3K views from an account with 234.1K followers.

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 #185 of 1,162

Views265.3K#226top 19%
Likes1.6K#198top 17%
Engagement rate0.69%#620bottom 47%
Save rate0.077%#581top 50%

Among 239 @arena posts

Score #24 of 239

Views265.3K#38top 16%
Likes1.6K#25top 10%
Engagement rate0.69%#117top 49%
Save rate0.077%#127bottom 47%

Growth

Our reads cover 28 hours

Views265.3K
Age at our read17 days
Views per day of life15.5Kviews divided by days since it was posted
Gained between our reads+65views over 28 hours, about 56 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 26, 2026

@arena posts Text Arena Leaderboard with Claude Opus 5.5 at #1

The leaderboard drew 265K views and 1.6K likes, with a 0.69% engagement rate and a 0.077% save rate.

What happened

@arena posted a Text Arena Leaderboard on September 26, 2026, showing Claude Opus 5.5 at #1. The account posted 2 items that day, including a Pareto Frontier for Text Arena chart at 15.8K views.

The numbers

It reached 265K views, #226 of 1,162 AI chart posts, against a median of 39.9K. Its score of 72 ranks #185 of 1,162 AI chart posts and #24 of 239 @arena posts.

The lesson

A leaderboard with 13 models shown drew 265K views, 5.7x @arena's median post, but a 0.077% save rate. The chart shows printed values from 1509 down to 1495.5.

What it means

At #24 of 239 @arena posts by score, this leaderboard trails the account's own top posts despite 265K views. The 0.69% engagement rate sits below the AI chart median.

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

  1. Pareto Frontier for Text Arena15.8K views
  2. Agent Arena Leaderboard123.1K views
  3. Claude Opus 5.5 (High) Rank #2 & Pareto64.3K views
  4. Claude Opus 5.5 (High) Pareto Frontier for Agent27.3K views
  5. Agent Arena Leaderboard Rankings107.3K views
  6. GPT-6 Luna Pareto Frontier for Agent Arena37.7K views

Data and API

17 points read off this chart

Estimated from the image 83%
SeriesGroupValueRead
Claude Opus 5.5 (High)1509 Arena Scoreprinted
Claude Opus 5.5 (High)1505 Arena Scoreestimated
Claude Fable 4.6 (High)1504.5 Arena Scoreprinted
Claude Fable 4.7 (High)1502 Arena Scoreestimated
Claude Fable 5.1 Max1501.5 Arena Scoreprinted
Claude Opus 4.61499.5 Arena Scoreprinted
Muse Spark 1.2 (xHigh)1497 Arena Scoreprinted
Claude Opus 4.71495.5 Arena Scoreprinted
Muse Spark 1.3 (Max)1494.5 Arena Scoreprinted
Gemini 3.8 Flash1493 Arena Scoreprinted
Claude Opus 5 (High)1491.5 Arena Scoreprinted
Muse Spark 1.11491 Arena Scoreprinted

Showing 12 of 17. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/b80a8b26de20.json
GET https://viral-chart.com/api/charts/b80a8b26de20.json
GET https://viral-chart.com/api/charts/b80a8b26de20.skill.md
Make one like thisOpen the post JSONChart data JSONSkill fileAPI docs

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

API · Max

Use this chart via API

On the Max plan you can pull this chart's numbers with the provenance of each one, as JSON or CSV, with its redraw spec, or call it from an agent over MCP. Chart id b80a8b26de20.

See the Max planAPI docs
PathReturnsPlan
GET/api/v1/charts/b80a8b26de20Title, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/b80a8b26de20/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/b80a8b26de20/render?view=1The draw-only view this page usesOpen
POST/mcpTool get_chart_data with this id, for Claude, Cursor and other agentsMax
curlMax
curl -s https://viral-chart.com/api/v1/charts/b80a8b26de20/data \
  -H "Authorization: Bearer $VIRALCHART_KEY"
Claude CodeMax
claude mcp add --transport http viralchart https://viral-chart.com/mcp \
  --header "Authorization: Bearer $VIRALCHART_KEY"

60 requests a minute per key; over that you get 429 with Retry-After. Up to 5 keys per account, made on your account page and shown once. Without Max, the data route answers 402 with a link to the plans. The numbers describe a chart its publisher owns, and every file carries a license note.

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Questions people ask

Where does this chart come from?

@arena published it on Sep 26, 2026 on X (x.com). We keep it here, with the publisher and date credited as text, so you can study it without leaving.

Can I make a chart like this?

Use the format, not the picture. Open its data page and use Make one like this: it starts from this chart's numbers and takes yours.