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Anthropic
GPT-6 Astra Win Rates in Battles

@arenaX · Sep 16, 2026

GPT-6 Astra Win Rates in Battles

@arena's benchmark bar chart drew 35.5K views on X: 0.8x its median post and #612 of 1,162 AI chart posts we hold by views. Read Oct 12, 2026.

GPT-6 Astra Max leads leaderboard with top win rates

XData Benchmark bar chart Claude Fable 5 All Anthropic modelsGPT-6 Astra MaxClaude Fable 5.1 MaxClaude Opus 5 (Max)Qwen-3.8 Max 0902GPT-5.6 Sol (xHigh)GLM-5.3 (Max)

@arena: GPT-6 Astra Win Rates in Battles — Published by @arena on X, Sep 16, 2026. Source: x.com

56/ 100

ViralChart score

Small but loved

Fewer views than the median post but a higher engagement rate: a smaller crowd that acted on it.

#529 of 1,162 AI chart posts we hold · #115 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 Small but loved quadrant, with a score rank of #529 of 1,162 AI chart posts.

Its 0.13% save rate sits at the 74th percentile among AI chart posts, above the 0.076% median.

It ranked #1 of 2 posts from this account that day by views.

At 35.5K views it reached 0.77x this company's 46.2K median, ranking #144 of 239 @arena posts.

0.15views per follower

35.5K views from an account with 234.1K followers.

2posts from @arena that day

Part of a run of 2 posts on Sep 16, 2026. This one was #1 of 2 by views that day.

top 26%save rate

0.127% of viewers bookmarked it to come back to. The median post gets 0.076%.

top 28%engagement rate

0.98% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

Public X numbers from our read on Oct 12, 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 #529 of 1,162

Views	35.5K	#612	bottom 47%
Likes	292	#577	top 50%
Engagement rate	0.98%	#329	top 28%
Save rate	0.127%	#304	top 26%

Among 239 @arena posts

Score #115 of 239

Views	35.5K	#144	bottom 40%
Likes	292	#137	bottom 43%
Engagement rate	0.98%	#46	top 19%
Save rate	0.127%	#43	top 18%

Growth

One read so far

Views35.5K

Age at our read26 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.

@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 · Sep 16, 2026

@arena charts GPT-6 Astra win rates in battles

A benchmark bar chart of GPT-6 Astra win rates drew 35.5K views and a 0.13% save rate, above the 0.076% median among AI chart posts.

What happened

@arena posted a benchmark bar chart on September 16, 2026, titled GPT-6 Astra Win Rates in Battles. That day the account posted 2 posts, including Code GPT-6 Astra vs Claude Fable 5.1.

The numbers

The post reached 35.5K views, ranking #612 of 1,162 AI chart posts and #144 of 239 @arena posts. Its score rank is #529 of 1,162 AI chart posts.

The lesson

A 0.13% save rate at the 74th percentile among AI chart posts shows that a benchmark bar chart with 6 models is kept above the 0.076% median rate.

What it means

At #144 of 239 @arena posts by views and 0.77x the company median, this chart post sits below the account's typical reach while its save rate runs above the AI chart median.

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

Updates: what @arena posted next

Data and API

15 points read off this chart

Estimated from the image 97%

Series	Group	Value	Read
GPT-6 Astra wins	Claude Fable 5.1 Max	29 %	printed
Tie	Claude Fable 5.1 Max	27.4 %	printed
Opponent wins	Claude Fable 5.1 Max	43.55 %	printed
GPT-6 Astra wins	Claude Opus 5 (Max)	52 %	printed
Tie	Claude Opus 5 (Max)	18 %	printed
Opponent wins	Claude Opus 5 (Max)	30 %	printed
GPT-6 Astra wins	Qwen-3.8 Max 0902	58.5 %	printed
Tie	Qwen-3.8 Max 0902	19.5 %	printed
Opponent wins	Qwen-3.8 Max 0902	22 %	printed
GPT-6 Astra wins	GPT-5.6 Sol (xHigh)	72.5 %	printed
Tie	GPT-5.6 Sol (xHigh)	12.5 %	printed
Opponent wins	GPT-5.6 Sol (xHigh)	15 %	printed

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

Max plan · API

GET https://viral-chart.com/api/posts/ad5de7526b0c.json
GET https://viral-chart.com/api/charts/ad5de7526b0c.json
GET https://viral-chart.com/api/charts/ad5de7526b0c.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 ad5de7526b0c.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/ad5de7526b0c`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/ad5de7526b0c/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/ad5de7526b0c/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/ad5de7526b0c/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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