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AnthropicX · Jun 4, 2026 · official

Claude model performance in research sessions

Anthropic's benchmark bar chart drew 416K views on X: 1.0x its median post and #173 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Claude models show increasing improvement over human researchers

XDataBenchmark bar chartClaude MythosAll Anthropic modelsClaude Sonnet 4Claude Opus 4.6Claude Opus 4.7Claude Haiku 3Claude Opus 4.5Claude Haiku 4.5Claude Sonnet 4.6Claude Mythos Preview
Published by Anthropic on X, Jun 4, 2026. Source: x.com
65/ 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.

#333 of 1,162 AI chart posts we hold · #35 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 Wide but thin quadrant, with a score rank of #333 of 1,162 AI chart posts.

Its 0.42% engagement rate sits at the 20th percentile among AI chart posts, below the 0.73% median.

The score of 65 ranks #333 of 1,162 AI chart posts and #35 of 56 Anthropic posts.

Benchmark bar charts draw a 44.4K median, and this post's 416K views are 9.4x that.

9.4xthe median benchmark bar chart post

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

0.23views per follower

416K views from an account with 1.8M followers.

bottom 20%engagement rate

0.42% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

bottom 21%save rate

0.039% 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 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 #333 of 1,162

Views416K#173top 15%
Likes1.6K#197top 17%
Engagement rate0.42%#932bottom 20%
Save rate0.039%#923bottom 21%

Among 56 Anthropic posts

Score #35 of 56

Views416K#29bottom 49%
Likes1.6K#33bottom 42%
Engagement rate0.42%#41bottom 28%
Save rate0.039%#40bottom 29%

Growth

Our reads cover 21 hours

Views416K
Age at our read131 days
Views per day of life3.2Kviews divided by days since it was posted
Gained between our reads+9views over 21 hours, about 10 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 · Jun 4, 2026

Anthropic posts Claude research benchmark chart

A benchmark bar chart on Claude model performance in research sessions drew 416K views but a 0.42% engagement rate.

What happened

Anthropic posted a benchmark bar chart on June 4, 2026, about Claude model performance in research sessions. It was the account's only post that day.

The numbers

The post reached 416K views, ranking #173 of 1,162 AI chart posts. Its score of 65 ranked #333 of 1,162 AI chart posts and #35 of 56 Anthropic posts.

The lesson

A benchmark bar chart with 8 models shown drew 416K views, 9.4x the 44.4K median for this type. Its 0.42% engagement rate fell below the 0.75% median for this type.

What it means

This post's 0.42% engagement rate is below Anthropic's own 0.56% median. The 416K views against a 39.9K median among AI chart posts show wide reach with thin engagement.

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. Claude Mythos 5 and Fable 5 Benchmark Comparison6.3M views
  2. Work session changes over seven months75.2K views
  3. Coding success by occupation62.2K views
  4. Sonnet 5 benchmark comparison1.5M views
  5. Claude model behavioral differences68.2K views
  6. AI Model Benchmark Comparison5.8M views

Data and API

20 points read off this chart

Estimated from the image 84%
SeriesGroupValueRead
betterClaude Haiku 322 %printed
tieClaude Haiku 310 %printed
betterClaude Sonnet 4 - Mar 202548 %printed
tieClaude Sonnet 4 - Mar 202511 %printed
betterClaude Sonnet 4.5 - Sep 202550 %printed
tieClaude Sonnet 4.5 - Sep 202511 %printed
betterClaude Haiku 4.5 - Oct 202545 %printed
tieClaude Haiku 4.5 - Oct 202511 %printed
betterClaude Opus 4.5 - Nov 202551 %printed
tieClaude Opus 4.5 - Nov 202513 %printed
betterClaude Sonnet 4.6 - Feb 202645 %printed
tieClaude Sonnet 4.6 - Feb 202613 %printed

Showing 12 of 20. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/882af69cc6a8.json
GET https://viral-chart.com/api/charts/882af69cc6a8.json
GET https://viral-chart.com/api/charts/882af69cc6a8.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 882af69cc6a8.

See the Max planAPI docs
PathReturnsPlan
GET/api/v1/charts/882af69cc6a8Title, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/882af69cc6a8/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/882af69cc6a8/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/882af69cc6a8/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 Jun 4, 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.