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@arenaX · Aug 20, 2026

Agent Arena Spark 1.2 (xHigh) Ranked #25

@arena's benchmark bar chart drew 36.4K views on X: 0.8x its median post and #605 of 1,162 AI chart posts we hold by views. Read Oct 12, 2026.

Muse Spark 1.2 ranks 25th with 2.5% net improvement

Published by @arena on X, Aug 20, 2026. Source: x.com
49/ 100

ViralChart score

Small but loved

Fewer views than the median post but a higher engagement rate: a smaller crowd that acted on it.

#638 of 1,162 AI chart posts we hold · #152 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 Small but loved quadrant, with a score rank of #638 of 1,162 AI chart posts.

Its 36.4K views landed at #3 of 4 @arena posts that day, level with the account's launch-day pattern.

Saves came in at 0.063%, below the 0.076% median among AI chart posts and the 41st percentile.

Views ran 0.79x @arena's 46.2K company median, ranking #141 of 239 @arena posts.

0.16views per follower

36.4K views from an account with 234.1K followers.

4posts from @arena that day

Part of a run of 4 posts on Aug 20, 2026. This one was #3 of 4 by views that day.

bottom 41%save rate

0.063% of viewers bookmarked it to come back to. The median post gets 0.076%.

top 41%engagement rate

0.82% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

Public X numbers from our read on Oct 12, 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 #638 of 1,162

Views36.4K#605bottom 48%
Likes258#598bottom 49%
Engagement rate0.82%#478top 41%
Save rate0.063%#690bottom 41%

Among 239 @arena posts

Score #152 of 239

Views36.4K#141bottom 41%
Likes258#142bottom 41%
Engagement rate0.82%#82top 34%
Save rate0.063%#156bottom 35%

Growth

One read so far

Views36.4K
Age at our read53 days
Views per day of life684views divided by days since it was posted

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 · Aug 20, 2026

@arena charts Agent Arena Spark 1.2 at rank #25

A 29-model benchmark bar chart posted August 20, 2026 drew 36.4K views and a 0.82% engagement rate.

What happened

@arena posted a benchmark bar chart on August 20, 2026 showing Agent Arena Spark 1.2 (xHigh) ranked #25. It was one of 4 posts from the account that day, alongside 3 others including a Pareto Frontier for Code Arena: WebDev chart at 96.7K views.

The numbers

The post reached 36.4K views, ranking #605 of 1,162 AI chart posts and #141 of 239 @arena posts. Its score of 49 placed it #638 of 1,162 AI chart posts.

The lesson

A 29-model benchmark bar chart saved at 0.063%, below the 0.076% median among AI chart posts. The chart type and model count did not lift saves above that median.

What it means

At #141 of 239 @arena posts by views and 0.79x the company's 46.2K median, this chart post sits below the account's own typical reach.

Written by ViralChart from public numbers read on Oct 12, 2026. Every number is checked against our data before it is shown.

Data and API

28 points read off this chart

Estimated from the image 50%
SeriesGroupValueRead
Claude Opus 5 (High)12.5 %estimated
Claude Fable 5 (High)10.4 %estimated
GPT-5.6 Sol (xHigh)12 %estimated
Claude Opus 4.8 (High)11.6 %estimated
GPT-5.5 (xHigh)9.7 %estimated
Claude Opus 4.7 (High)9.5 %estimated
GPT-5.5 (High)8.1 %estimated
Claude Opus 4.78.5 %estimated
Claude Sonnet 5 (High)7.7 %estimated
Claude Opus 4.67.4 %estimated
GPT-5.56.6 %estimated
DeepSeek-V4-Pro (High)6.6 %estimated

Showing 12 of 28. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/d4a5c84300df.json
GET https://viral-chart.com/api/charts/d4a5c84300df.json
GET https://viral-chart.com/api/charts/d4a5c84300df.skill.md

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 d4a5c84300df.

PathReturnsPlan
GET/api/v1/charts/d4a5c84300dfTitle, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/d4a5c84300df/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/d4a5c84300df/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/d4a5c84300df/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 Aug 20, 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.