Models
Anthropic
Iterative improvement on a frontier-scale model

AnthropicX · Aug 28, 2026 · official

Iterative improvement on a frontier-scale model

Anthropic's line chart drew 63.9K views on X: 0.1x its median post and #472 of 1,162 AI chart posts we hold by views. Read Oct 12, 2026.

XData Line chart Claude Opus 4 All Anthropic modelsClaude Opus 4.8

Anthropic: Iterative improvement on a frontier-scale model — Published by Anthropic on X, Aug 28, 2026. Source: x.com

48/ 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.

#643 of 1,162 AI chart posts we hold · #46 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 Wide but thin quadrant, at #643 of 1,162 AI chart posts.

Its 63.9K views sit at 0.15x Anthropic's 431K median, ranking #44 of 56 Anthropic posts.

At 0.036 views per follower against a 0.20 median, it lands in the 22nd percentile.

Engagement of 0.48% is 0.65x the 0.73% AI chart median, at the 25th percentile.

0.04views per follower

63.9K views from an account with 1.8M followers.

0.1xAnthropic's median post

63.9K views, where Anthropic's typical post gets 431K.

bottom 25%engagement rate

0.48% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

bottom 40%save rate

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

Public X numbers from our read on Oct 12, 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 #643 of 1,162

Views	63.9K	#472	top 41%
Likes	273	#592	bottom 49%
Engagement rate	0.48%	#867	bottom 25%
Save rate	0.063%	#697	bottom 40%

Among 56 Anthropic posts

Score #46 of 56

Views	63.9K	#44	bottom 22%
Likes	273	#45	bottom 21%
Engagement rate	0.48%	#36	bottom 37%
Save rate	0.063%	#22	top 38%

Growth

One read so far

Views63.9K

Age at our read45 days

Views per day of life1.4Kviews 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.

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 · Aug 28, 2026

Anthropic posts a line chart on frontier model improvement

The August 28, 2026 line chart reached 63.9K views, below Anthropic's 431K median and below the AI chart engagement median.

What happened

Anthropic posted a line chart on iterative improvement on a frontier-scale model on August 28, 2026. It was the account's only post that day.

The numbers

It reached 63.9K views, #472 of 1,162 AI chart posts by views and #46 of 56 Anthropic posts by score.

The lesson

One line chart with 1 model shown drew 63.9K views, 0.15x Anthropic's 431K median. The 0.48% engagement rate sits below the 0.73% AI chart median.

What it means

At #46 of 56 Anthropic posts, this chart trails the account's own median views of 431K. The 0.036 views per follower against a 0.20 median marks a wide gap for this publisher.

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

Updates: what Anthropic posted next

Data and API

59 points read off this chart

Estimated from the image 30%

Series	Group	Value	Read
Best method so far	0	0 %	estimated
Best method so far	6	23 %	estimated
Best method so far	9	23 %	estimated
Best method so far	12	30 %	estimated
Best method so far	15	30 %	estimated
Best method so far	18	32 %	estimated
Best method so far	21	32 %	estimated
Best method so far	24	35 %	estimated
Best method so far	27	35 %	estimated
Best method so far	30	35 %	estimated
Best method so far	33	35 %	estimated
Best method so far	36	38 %	estimated

Showing 12 of 59. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/a1ba2061b6ae.json
GET https://viral-chart.com/api/charts/a1ba2061b6ae.json
GET https://viral-chart.com/api/charts/a1ba2061b6ae.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 a1ba2061b6ae.

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/a1ba2061b6ae`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/a1ba2061b6ae/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/a1ba2061b6ae/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/a1ba2061b6ae/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.