Models
Anthropic
Agent Arena Leaderboard: Claude Fable 5 Ranked #1

@arenaX · Jun 10, 2026

Agent Arena Leaderboard: Claude Fable 5 Ranked #1

@arena's benchmark bar chart drew 632.5K views on X: 14x its median post and #130 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Claude Fable 5 leads with +11.2% net improvement

XData Benchmark bar chart Claude Fable 5 All Anthropic models Claude Opus 4.6 Claude Opus 4.7 GLM-5.1 DeepSeek-V4 Pro Gemini-3.1 Pro DeepSeek-V4 FlashClaude Opus 4.7 (Thinking)

@arena: Agent Arena Leaderboard: Claude Fable 5 Ranked #1 — Published by @arena on X, Jun 10, 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.

#521 of 1,162 AI chart posts we hold · #111 of 239 @arena 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, with a score rank of #521 of 1,162 AI chart posts.

Its 632K views are 14x @arena's median post of 46.2K, ranking #16 of 239 @arena posts.

Engagement sits at 0.10%, the 2nd percentile among AI chart posts and #1,141 of 1,162.

At 2.70 views per follower, it lands in the 89th percentile across posts with known followers.

14x@arena's median post

632.5K views, where @arena's typical post gets 46.2K.

14xthe median benchmark bar chart post

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

bottom 2%engagement rate

0.10% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

bottom 8%save rate

0.017% 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 239 from @arena.

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 #521 of 1,162

Views	632.5K	#130	top 11%
Likes	552	#423	top 36%
Engagement rate	0.10%	#1,141	bottom 2%
Save rate	0.017%	#1,073	bottom 8%

Among 239 @arena posts

Score #111 of 239

Views	632.5K	#16	top 6%
Likes	552	#80	top 33%
Engagement rate	0.10%	#236	bottom 1%
Save rate	0.017%	#224	bottom 6%

Growth

Our reads cover 21 hours

Views632.5K

Age at our read125 days

Views per day of life5.1Kviews divided by days since it was posted

Gained between our reads+4views over 21 hours, about 5 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.

@arena'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 10, 2026

@arena posts Agent Arena Leaderboard with Claude Fable 5 at #1

The benchmark bar chart drew 632K views against a 39.9K median among AI chart posts, with engagement at 0.10%.

What happened

@arena posted a benchmark bar chart on June 10, 2026, titled Agent Arena Leaderboard: Claude Fable 5 Ranked #1. It was the account's only post that day.

The numbers

It reached 632K views, #130 of 1,162 AI chart posts and #16 of 239 @arena posts. Its score of 56 ranks #521 of 1,162 AI chart posts.

The lesson

A 20-model benchmark bar chart drew 632K views but a 0.10% engagement rate, the 2nd percentile among AI chart posts. The save rate was 0.017%.

What it means

For @arena, 632K views is 14x its own median of 46.2K, yet engagement at 0.10% sits below both the 0.73% AI chart median and its own 0.68% 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 @arena posted next

Data and API

25 points read off this chart

Estimated from the image 69%

Group	Value	Read
2 Claude Fable 5	11.2 %	estimated
3 Claude Opus 4.7 (Thinking)	9 %	estimated
4 GPT-5.5 (High)	8.9 %	printed
5 GPT-5.4 (High)	8.8 %	estimated
6 Claude Opus 4.6	8 %	estimated
7 GPT-5.5	7.85 %	printed
8 Claude Opus 4.7	7.75 %	printed
9 Claude Opus 4.8	7.7 %	estimated
10 Claude Sonnet 4.6	4.8 %	estimated
11	4 %	estimated
12 GLM-5.1	2.1 %	printed
13 Gemini-3.5 Flash	-0.1 %	printed

Showing 12 of 25. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/7d2aef8b8132.json
GET https://viral-chart.com/api/charts/7d2aef8b8132.json
GET https://viral-chart.com/api/charts/7d2aef8b8132.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 7d2aef8b8132.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/7d2aef8b8132`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/7d2aef8b8132/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/7d2aef8b8132/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/7d2aef8b8132/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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