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AnthropicX · Oct 7, 2026 · official

Claude Haiku 5.5 benchmark comparison

Anthropic's table chart drew 833.4K views on X: 1.9x its median post and #111 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Claude Haiku 5.5 benchmark performance comparison table

XDataTable chartClaude agents and computer useAll Anthropic modelsGPT-6 LunaHaiku 5.5Haiku 4.5Sonnet 5.5
Published by Anthropic on X, Oct 7, 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.

#49 of 1,162 AI chart posts we hold · #6 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 #49 of 1,162 AI chart posts.

Its score of 80 sits at #6 of 56 Anthropic posts, above the account's own median.

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

Its 833K views are 1.9x the company median of 431K.

6.3xthe median table chart post

Across 95 table chart posts we hold, the median gets 133.2K views.

2posts from Anthropic that day

Part of a run of 2 posts on Oct 7, 2026. This one was #1 of 2 by views that day.

0.44views per follower

833.4K views from an account with 1.9M followers.

1.9xAnthropic's median post

833.4K views, where Anthropic's typical post gets 431K.

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 #49 of 1,162

Views833.4K#111top 10%
Likes6.3K#48top 4%
Engagement rate0.87%#425top 37%
Save rate0.061%#712bottom 39%

Among 56 Anthropic posts

Score #6 of 56

Views833.4K#20top 35%
Likes6.3K#14top 24%
Engagement rate0.87%#10top 17%
Save rate0.061%#23top 40%

Growth

Our reads cover 25 hours

Views833.4K
Age at our read6 days
Views per day of life139.8Kviews divided by days since it was posted
Gained between our reads+10.1Kviews over 25 hours, about 9.8K 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 · Oct 7, 2026

Anthropic posts Claude Haiku 5.5 benchmark table

The table chart shows Claude Haiku 5.5 against Haiku 4.5, GPT-学到 Luna and Sonnet 5.5 on knowledge work benchmarks.

What happened

Anthropic published a table chart on October 7, 2026 comparing Claude Haiku 5.5 benchmark performance. It was one of 2 posts from the account that day, alongside a post on agentic computer use performance by effort level.

The numbers

The post reached 833K views, ranking #111 of 1,162 AI chart posts and #20 of 56 Anthropic posts. Its score of 80 ranks #49 of 1,162 AI chart posts.

The lesson

A table chart with 4 models shown earned a save rate of 0.061% and an engagement rate of 0.87%. The chart shows printed values from 614 to 1840 across benchmarks.

What it means

At #6 of 56 Anthropic posts by score, this chart sits above the account's own median. Its 833K views are 1.9x the company median of 431K.

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

  1. Agentic computer use performance by effort level270.3K views

Data and API

42 points read off this chart

Partly publisher's numbers 73%
SeriesGroupValueRead
Haiku 5.5Knowledge work GDPval-AA v2.11620 mixedprinted
Haiku 4.5Knowledge work GDPval-AA v2.1735 mixedprinted
GPT-5 LunaKnowledge work GDPval-AA v2.11437 mixedprinted
Sonnet 5.5Knowledge work GDPval-AA v2.11840 mixedprinted
Haiku 5.5Knowledge work AA-Briefcase v1.11578 mixedprinted
Haiku 4.5Knowledge work AA-Briefcase v1.1614 mixedprinted
GPT-5 LunaKnowledge work AA-Briefcase v1.11336 mixedprinted
Sonnet 5.5Knowledge work AA-Briefcase v1.11824 mixedprinted
Haiku 5.5Computer use OSWorld (Offline subset)72.4 mixedprinted
Haiku 4.5Computer use OSWorld (Offline subset)15.7 mixedprinted
GPT-5 LunaComputer use OSWorld (Offline subset)48.9 mixedprinted
Sonnet 5.5Computer use OSWorld (Offline subset)83.9 mixedprinted

Showing 12 of 42. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/67928a46a49a.json
GET https://viral-chart.com/api/charts/67928a46a49a.json
GET https://viral-chart.com/api/charts/67928a46a49a.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 67928a46a49a.

See the Max planAPI docs
PathReturnsPlan
GET/api/v1/charts/67928a46a49aTitle, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/67928a46a49a/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/67928a46a49a/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/67928a46a49a/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?

Anthropic published it on Oct 7, 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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