Models
Anthropic
Optimize throughput with prompt caching

AnthropicX · Mar 13, 2025 · official

Optimize throughput with prompt caching

Anthropic's bar chart drew 136.3K views on X: 0.3x its median post and #331 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

XData Bar chart Claude 3 All Anthropic models

Anthropic: Optimize throughput with prompt caching — Published by Anthropic on X, Mar 13, 2025. Source: x.com

78/ 100

ViralChart score

Reached and resonated

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

#84 of 1,162 AI chart posts we hold · #10 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

The post sits in the Reached and resonated quadrant at #84 of 1,162 AI chart posts.

Its score of 78 lands at #84 of 1,162 AI chart posts and #10 of 56 Anthropic posts.

A 0.18% save rate sits at the 87th percentile among AI chart posts, against a 0.076% median.

Views of 136K are 0.32x Anthropic's 431K company median, at #37 of 56 Anthropic posts.

0.08views per follower

136.3K views from an account with 1.8M followers.

5.3xthe median bar chart post

Across 241 bar chart posts we hold, the median gets 25.6K views.

0.3xAnthropic's median post

136.3K views, where Anthropic's typical post gets 431K.

top 13%save rate

0.178% of viewers bookmarked it to come back to. The median post gets 0.076%.

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 #84 of 1,162

Views	136.3K	#331	top 28%
Likes	1.4K	#216	top 19%
Engagement rate	1.19%	#208	top 18%
Save rate	0.178%	#150	top 13%

Among 56 Anthropic posts

Score #10 of 56

Views	136.3K	#37	bottom 35%
Likes	1.4K	#34	bottom 40%
Engagement rate	1.19%	#4	top 6%
Save rate	0.178%	#4	top 6%

Growth

Our reads cover 28 hours

Views136.3K

Age at our read579 days

Views per day of life235views divided by days since it was posted

Gained between our reads+4views over 28 hours, about 3 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 · Mar 13, 2025

Anthropic prompt caching bar chart lands at #84 of 1,162

A single bar chart on prompt caching drew 136K views and a 0.18% save rate, 0.32x Anthropic's 431K company median.

What happened

Anthropic posted one bar chart on March 13, 2025, titled Optimize throughput with prompt caching. It was the account's only post that day.

The numbers

It reached 136K views, #331 of 1,162 AI chart posts, against a 39.9K median among AI chart posts. Its score of 78 ranks #84 of 1,162 AI chart posts and #10 of 56 Anthropic posts.

The lesson

A 0.18% save rate, 87th percentile among AI chart posts, shows readers bookmark a single bar chart on prompt caching at more than the 0.076% median rate.

What it means

At 0.32x Anthropic's 431K company median and #37 of 56 Anthropic posts by views, this chart's reach sits below the account's own bar even as its save rate clears 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 Anthropic posted next

Data and API

4 points read off this chart

Estimated from the image 68%

Series	Group	Value	Read
Uncached input tokens	Standard ITPM rate limit	30 M	estimated
Cached input tokens	Standard ITPM rate limit	40 M	estimated
Uncached input tokens	Cache-aware ITPM rate limit	30 M	estimated
Cached input tokens	Cache-aware ITPM rate limit	70 M	estimated

Max plan · API

GET https://viral-chart.com/api/posts/b379f0afa855.json
GET https://viral-chart.com/api/charts/b379f0afa855.json
GET https://viral-chart.com/api/charts/b379f0afa855.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 b379f0afa855.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/b379f0afa855`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/b379f0afa855/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/b379f0afa855/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/b379f0afa855/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.