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AI model performance indices

@ArtificialAnlysX · Sep 21, 2026

AI model performance indices

@ArtificialAnlys's line chart drew 21.7M views on X: 1903x @artificialanlys's median post and #3 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Artificial Analysis Intelligence and Coding Agent Indices

XData Line chart Grok 4 All xAI models Claude 4 GPT-4.1 Grok 3 Llama 4Gemini 2.5DeepSeek

@ArtificialAnlys: AI model performance indices — Published by @ArtificialAnlys on X, Sep 21, 2026. Source: x.com

67/ 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.

#295 of 1,162 AI chart posts we hold · #82 of 491 @artificialanlys 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, at #295 of 1,162 AI chart posts by score.

Its 21.7M views sit 1903x above the 11.4K median for @ArtificialAnlys posts, the #1 of 491 @ArtificialAnlys posts by views.

Engagement lands at 0.011%, the 1st percentile among AI chart posts and #1,161 of 1,162 AI chart posts.

It was the #1 of 8 posts from this account that day, ahead of the 4.2M-view AA-Briefcase Elo Benchmark post.

1903x@artificialanlys's median post

21.7M views, where @artificialanlys's typical post gets 11.4K.

295xthe median line chart post

Across 68 line chart posts we hold, the median gets 73.7K views.

8posts from @artificialanlys that day

Part of a run of 8 posts on Sep 21, 2026. This one was #1 of 8 by views that day.

bottom 1%engagement rate

0.01% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

Public X numbers from our read on Oct 13, 2026. Peers: 1,162 AI chart posts we hold and 491 from @artificialanlys.

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 #295 of 1,162

Views	21.7M	#3	top 1%
Likes	2K	#153	top 13%
Engagement rate	0.01%	#1,161	bottom 1%
Save rate	0.002%	#1,115	bottom 4%

Among 491 @artificialanlys posts

Score #82 of 491

Views	21.7M	#1	top 1%
Likes	2K	#23	top 5%
Engagement rate	0.01%	#491	bottom 1%
Save rate	0.002%	#459	bottom 7%

Growth

Our reads cover 27 hours

Views21.7M

Age at our read22 days

Views per day of life986.6Kviews divided by days since it was posted

Gained between our reads+1.3Kviews over 27 hours, about 1.2K 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.

@artificialanlys'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 21, 2026

@ArtificialAnlys posts Artificial Analysis Intelligence and Coding Agent Indices

A line chart of Artificial Analysis Intelligence and Coding Agent Indices drew 21.7M views on September 21, 2026, with engagement at 0.011%.

What happened

@ArtificialAnlys published a line chart on Artificial Analysis Intelligence and Coding Agent Indices on September 21, 2026, showing 6 models. It was one of 8 posts from the account that day, alongside the AA-Briefcase Elo Benchmark and Output Tokens per Intelligence Task.

The numbers

The post reached 21.7M views, #3 of 1,162 AI chart posts and #1 of 491 @ArtificialAnlys posts. Its score of 67 ranks #295 of 1,162 AI chart posts.

The lesson

At 0.011% engagement against a 0.73% median among AI chart posts, this 6-model line chart drew 21.7M views but ranked #1,161 of 1,162 AI chart posts on engagement. The chart type and model count did not hold saves: the save rate was 0.002%.

What it means

For @ArtificialAnlys, the gap between #1 of 491 posts by views and #82 of 491 by score shows reach and score diverge on this chart. Its 0.011% engagement sits far below the account's own 0.82% 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 @artificialanlys posted next

Data and API

29 points read off this chart

Estimated from the image 30%

Group	Value	Read
Claude Opus 4.5 (fallback)	53 index	estimated
GPT-5.1 (high)	53 index	estimated
Claude Opus 4.5	51 index	estimated
Claude Opus 4.1 (fallback)	50 index	estimated
Gemini 3.1 Pro (high)	48 index	estimated
GPT-5.1 (medium)	47 index	estimated
GPT-5.1 (low)	46 index	estimated
Grok 4.1 (high)	45 index	estimated
Gemini 3.1 Pro (medium)	45 index	estimated
Gemini 3.1 Pro (low)	44 index	estimated
Grok 4.1 (medium)	44 index	estimated
Claude Sonnet 4.5	44 index	estimated

Showing 12 of 29. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/a7f985b8578f.json
GET https://viral-chart.com/api/charts/a7f985b8578f.json
GET https://viral-chart.com/api/charts/a7f985b8578f.skill.md

Make one like this Open the post JSON Chart data JSON Skill file 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 · 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 a7f985b8578f.

Approximate values. Our two readings of this chart agreed only in part (confidence 0.30 of 1), so check the original before you quote a number. The API marks it lowConfidence, and ?min_confidence=0.5 leaves it out.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/a7f985b8578f`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/a7f985b8578f/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/a7f985b8578f/render?view=1`	The draw-only view this page uses	Open
POST	`/mcp`	Tool get_chart_data with this id, for Claude, Cursor and other agents	Max

curlMax

curl -s https://viral-chart.com/api/v1/charts/a7f985b8578f/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.