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Z.aiX · Aug 18, 2026 · official

Frontier models intelligence versus cost per task

Z.ai's scatter plot drew 532.1K views on X: 2.6x its median post and #144 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Scatter plot compares intelligence index against cost per task, highlighting the Pareto frontier and most attractive quadrant.

XDataScatter plotGLM-5All Z.ai modelsGLM-5.3 (max)Kimi K3 (max)GPT-5.6 Sol (max)Claude Opus 5 (max)Claude Fable 5 (with fallback)GLM-5.2 (max)
Published by Z.ai on X, Aug 18, 2026. Source: x.com
80/ 100

ViralChart score

Reached and resonated

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

#50 of 1,162 AI chart posts we hold · #3 of 34 Z.ai 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 #50 of 1,162 AI chart posts.

Its score of 80 puts it at #50 of 1,162 AI chart posts and #3 of 34 Z.ai posts.

At 3.23 views per follower, it sits in the top decile and 90th percentile among posts with known followers.

Its 532K views are 2.6x Z.ai's company median of 201K, ranking #12 of 34 Z.ai posts.

24xthe median scatter plot post

Across 187 scatter plot posts we hold, the median gets 22.4K views.

2.6xZ.ai's median post

532.1K views, where Z.ai's typical post gets 201.2K.

3.22views per follower

532.1K views from an account with 165.3K followers.

top 39%engagement rate

0.84% 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 34 from Z.ai.

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 #50 of 1,162

Views532.1K#144top 12%
Likes3.8K#79top 7%
Engagement rate0.84%#457top 39%
Save rate0.083%#544top 47%

Among 34 Z.ai posts

Score #3 of 34

Views532.1K#12top 34%
Likes3.8K#9top 25%
Engagement rate0.84%#8top 22%
Save rate0.083%#17top 49%

Growth

Our reads cover 28 hours

Views532.1K
Age at our read56 days
Views per day of life9.5Kviews divided by days since it was posted
Gained between our reads+331views over 28 hours, about 288 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.

Z.ai'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 18, 2026

Z.ai scatter plot of intelligence versus cost per task

A scatter plot from Z.ai on August 18, 2026, comparing intelligence index against cost per task, drew 532K views and a 0.84% engagement rate.

What happened

Z.ai posted a scatter plot on August 18, 2026, comparing intelligence index against cost per task. It was the account's only post that day.

The numbers

It reached 532K views, #144 of 1,162 AI chart posts, against a median of 39.9K views among AI chart posts. Its score of 80 ranks #50 of 1,162 AI chart posts and #3 of 34 Z.ai posts.

The lesson

A scatter plot with 6 models shown drew 532K views and a 0.84% engagement rate, above the AI chart median. The chart shows GLM-5.2 (max) at 53 and GPT-5.6 Sol (max) at 61 on the intelligence index.

What it means

At #3 of 34 Z.ai posts and 2.6x the company median of 201K views, this chart post sits near the top of the account's own range. Its 0.083% save rate is the gap to watch against that reach.

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

Updates: what Z.ai posted next

  1. LLM performance across six benchmarks7M views
  2. Agentic Code Bench performance by effort level201.2K views
  3. LLM Performance on Harvey LAB533.2K views

Data and API

6 points read off this chart

Estimated from the image 63%
SeriesGroupValueRead
GLM-5.2 (max)Most attractive quadrant53printed
GLM-5.3 (max)Most attractive quadrant60estimated
Kimi K3 (max)Pareto line60estimated
GPT-5.6 Sol (max)Pareto line61printed
Claude Opus 5 (max)Pareto line63estimated
Claude Fable 5 (with fallback)Pareto line62estimated

Max plan · API

GET https://viral-chart.com/api/posts/78f9a2b1b57b.json
GET https://viral-chart.com/api/charts/78f9a2b1b57b.json
GET https://viral-chart.com/api/charts/78f9a2b1b57b.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 78f9a2b1b57b.

See the Max planAPI docs
PathReturnsPlan
GET/api/v1/charts/78f9a2b1b57bTitle, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/78f9a2b1b57b/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/78f9a2b1b57b/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/78f9a2b1b57b/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?

Z.ai published it on Aug 18, 2026 on X (x.com). We keep it here, with the publisher and date credited as text, so you can study it without leaving.

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