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AnthropicX · Oct 7, 2026 · official

Multidisciplinary reasoning by effort level

Anthropic's line chart drew 270.3K views on X: 0.6x its median post and #223 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

XDataLine chartClaude Haiku 4All Anthropic modelsHaiku 5.5Haiku 4.5Sonnet 5.5
Published by Anthropic on X, Oct 7, 2026. Source: x.com
75/ 100

ViralChart score

Reached and resonated

More views and a higher engagement rate than the median post: it travelled and people acted on it.

#117 of 1,162 AI chart posts we hold · #16 of 56 Anthropic 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 Reached and resonated quadrant at #117 of 1,162 AI chart posts.

A score of 75 puts it at #117 of 1,162 AI chart posts.

The post carries 3 charts, and every chart in the post shares the post's numbers.

It ranked #2 of 2 by views among the 2 posts from this account that day.

12xthe median line chart post

Across 187 line chart posts we hold, the median gets 22.4K views.

0.14views per follower

270.3K views from an account with 1.9M followers.

3charts in this one post

The numbers belong to the post, so every chart in it shares them and it is ranked once.

2posts from Anthropic that day

Part of a run of 2 posts on Oct 7, 2026. This one was #2 of 2 by views that day.

Public X numbers from our read on Oct 13, 2026. Peers: 1,162 AI chart posts we hold and 56 from Anthropic.

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 #117 of 1,162

Views270.3K#223top 19%
Likes2.4K#127top 11%
Engagement rate0.94%#367top 32%
Save rate0.056%#754bottom 35%

Among 56 Anthropic posts

Score #16 of 56

Views270.3K#33bottom 42%
Likes2.4K#27top 47%
Engagement rate0.94%#8top 13%
Save rate0.056%#26top 46%

Growth

Our reads cover 25 hours

Views270.3K
Age at our read6 days
Views per day of life45.3Kviews divided by days since it was posted
Gained between our reads+866views over 25 hours, about 837 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.

Anthropic'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 · Oct 7, 2026

Anthropic posts multidisciplinary reasoning by effort level

A line chart on multidisciplinary reasoning by effort level drew 270K views and a 0.94% engagement rate.

What happened

Anthropic published a line chart on multidisciplinary reasoning by effort level on October 7, 2026. The post carried 3 charts, including agentic computer use performance by effort level and real-world knowledge GDPval-AA tasks by effort level.

The numbers

It reached 270K views, #223 of 1,162 AI chart posts, against a median of 39.9K views among AI chart posts. Its score of 75 ranks #16 of 56 Anthropic posts.

The lesson

A 3-chart post on a line chart drew a 0.94% engagement rate against a 0.056% save rate. The gap between engagement and saves is where the measured numbers sit.

What it means

At #16 of 56 Anthropic posts, this chart post sits above the account's own median. The 270K views against a 39.9K median among AI chart posts is the measured gap.

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

Data and API

10 points read off this chart

Estimated from the image 72%
SeriesGroupValueRead
Haiku 5.5Low31printed
Haiku 5.5Med35printed
Haiku 5.5High40printed
Haiku 5.5Xhigh45printed
Haiku 5.5Max46estimated
Haiku 4.5High10estimated
Sonnet 5.5High42printed
Sonnet 5.5Xhigh48printed
Sonnet 5.5Max53estimated
Sonnet 5.5Max57estimated

Max plan · API

GET https://viral-chart.com/api/posts/8fec4e90461f.json
GET https://viral-chart.com/api/charts/8fec4e90461f.json
GET https://viral-chart.com/api/charts/8fec4e90461f.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 8fec4e90461f.

See the Max planAPI docs
PathReturnsPlan
GET/api/v1/charts/8fec4e90461fTitle, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/8fec4e90461f/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/8fec4e90461f/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/8fec4e90461f/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?

Anthropic published it on Oct 7, 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.