Models
Z.ai
Long-Horizon Task Evaluation

Z.aiX · Jun 16, 2026 · official

Long-Horizon Task Evaluation

Z.ai's benchmark bar chart drew 95.7K views on X: 0.5x its median post and #385 of 1,162 AI chart posts we hold by views. Read Oct 12, 2026.

Long-horizon task evaluation benchmarks comparison

XData Benchmark bar chart GLM-5 All Z.ai models Gemini 3.1 ProOpus 4.8GLM-5.2GPT-5.5Opus 4.7

Z.ai: Long-Horizon Task Evaluation — Published by Z.ai on X, Jun 16, 2026. Source: x.com

56/ 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.

#517 of 1,162 AI chart posts we hold · #23 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

The post sits in the Wide but thin quadrant, at #517 of 1,162 AI chart posts by score.

Its 0.034% save rate sits at the 17th percentile among AI chart posts, against a 0.076% median.

It ranked #3 of 3 by views among the account's posts that day.

Its 95.7K views are 0.48x the company median of 201K, ranking #20 of 34 Z.ai posts.

bottom 17%save rate

0.034% of viewers bookmarked it to come back to. The median post gets 0.076%.

3posts from Z.ai that day

Part of a run of 3 posts on Jun 16, 2026. This one was #3 of 3 by views that day.

0.5xZ.ai's median post

95.7K views, where Z.ai's typical post gets 201.2K.

2.2xthe median benchmark bar chart post

Across 215 benchmark bar chart posts we hold, the median gets 44.4K views.

Public X numbers from our read on Oct 12, 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 #517 of 1,162

Views	95.7K	#385	top 33%
Likes	624	#384	top 33%
Engagement rate	0.69%	#624	bottom 46%
Save rate	0.034%	#964	bottom 17%

Among 34 Z.ai posts

Score #23 of 34

Views	95.7K	#20	bottom 43%
Likes	624	#21	bottom 40%
Engagement rate	0.69%	#13	top 37%
Save rate	0.034%	#32	bottom 7%

Growth

One read so far

Views95.7K

Age at our read118 days

Views per day of life810views 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.

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 · Jun 16, 2026

Z.ai posts long-horizon task evaluation benchmark bar chart

The June 16, 2026 benchmark bar chart drew 95.7K views and a 0.69% engagement rate, with saves at the 17th percentile among AI chart posts.

What happened

Z.ai published a benchmark bar chart on long-horizon task evaluation on June 16, 2026. It was one of 3 posts from the account that day, alongside Agentic Coding Performance by Effort Level and LLM Performance on 8 Benchmarks.

The numbers

The post reached 95.7K views, ranking #385 of 1,162 AI chart posts and #23 of 34 Z.ai posts by score. Its save rate of 0.034% ranked #964 of 1,162 AI chart posts.

The lesson

A 0.034% save rate, at the 17th percentile among AI chart posts, shows this benchmark bar chart was not kept for citation. The 0.076% median save rate is the bar for charts readers bookmark.

What it means

At #23 of 34 Z.ai posts by score and 0.48x the company median views, this chart sits below the account's own reach. The 95.7K views against a 39.9K AI chart median show wide but thin travel.

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

Updates: what Z.ai posted next

Data and API

15 points read off this chart

Partly publisher's numbers 89%

Series	Group	Value	Read
Opus 4.8	FrontierSWE (Dominance) Max 20 Hrs	75.1 %	printed
GLM-5.2	FrontierSWE (Dominance) Max 20 Hrs	74.4 %	printed
GPT-5.5	FrontierSWE (Dominance) Max 20 Hrs	72.6 %	printed
Opus 4.7	FrontierSWE (Dominance) Max 20 Hrs	63 %	printed
Gemini 3.1 Pro	FrontierSWE (Dominance) Max 20 Hrs	39.6 %	printed
Opus 4.8	PostTrainBench Max 10 Hrs	37.2 %	printed
GLM-5.2	PostTrainBench Max 10 Hrs	34.3 %	printed
Opus 4.7	PostTrainBench Max 10 Hrs	28.6 %	printed
GPT-5.5	PostTrainBench Max 10 Hrs	28.4 %	printed
Gemini 3.1 Pro	PostTrainBench Max 10 Hrs	21.6 %	printed
Opus 4.8	SWE-Marathon Max 10 Hrs	26 %	printed
Opus 4.7	SWE-Marathon Max 10 Hrs	16 %	printed

Showing 12 of 15. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/198875c652c0.json
GET https://viral-chart.com/api/charts/198875c652c0.json
GET https://viral-chart.com/api/charts/198875c652c0.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 198875c652c0.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/198875c652c0`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/198875c652c0/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/198875c652c0/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/198875c652c0/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 Jun 16, 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.