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Anthropic
SWE-bench Verified accuracy for Claude models

@EpochAIResearchX · May 28, 2025

SWE-bench Verified accuracy for Claude models

@EpochAIResearch's dumbbell chart drew 32.1K views on X: 6.1x @epochairesearch's median post and #632 of 1,162 AI chart posts we hold by views. Read Oct 12, 2026.

SWE-bench Verified accuracy for Claude Sonnet 4 and Opus 4 vs previous models

XData Dumbbell chart Claude 4 All Anthropic models Claude Sonnet 4 Claude Opus 4 Claude 3.7 SonnetClaude 3.5 Sonnet (New)Claude 3.5 Sonnet

@EpochAIResearch: SWE-bench Verified accuracy for Claude models — Published by @EpochAIResearch on X, May 28, 2025. Source: x.com

61/ 100

ViralChart score

Small but loved

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

#442 of 1,162 AI chart posts we hold · #10 of 59 @epochairesearch 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

It lands in the Small but loved quadrant, at #442 of 1,162 AI chart posts.

At 32.1K views, this post runs 6.1x the 5.3K median for @EpochAIResearch company posts.

Its 0.25% save rate sits in the 95th percentile among AI chart posts, against a 0.076% median.

It ranked #1 of 4 posts from this account on May 28, 2025.

6.1x@epochairesearch's median post

32.1K views, where @epochairesearch's typical post gets 5.3K.

top 5%save rate

0.252% of viewers bookmarked it to come back to. The median post gets 0.076%.

4posts from @epochairesearch that day

Part of a run of 4 posts on May 28, 2025. This one was #1 of 4 by views that day.

top 18%engagement rate

1.18% 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 59 from @epochairesearch.

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 #442 of 1,162

Views	32.1K	#632	bottom 46%
Likes	338	#542	top 47%
Engagement rate	1.18%	#214	top 18%
Save rate	0.252%	#63	top 5%

Among 59 @epochairesearch posts

Score #10 of 59

Views	32.1K	#14	top 23%
Likes	338	#13	top 21%
Engagement rate	1.18%	#38	bottom 36%
Save rate	0.252%	#11	top 18%

Growth

One read so far

Views32.1K

Age at our read502 days

Views per day of life64views 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.

@epochairesearch'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 · May 28, 2025

@EpochAIResearch charts SWE-bench Verified accuracy for Claude models

A dumbbell chart on SWE-bench Verified accuracy for Claude models drew 32.1K views and a 0.25% save rate.

What happened

@EpochAIResearch posted a dumbbell chart on SWE-bench Verified accuracy for Claude models on May 28, 2025. It came with 3 other posts from the account that day, on GPQA Diamond accuracy, SWE-bench Verified accuracy, and OTIS Mock AIME 2024-2025 accuracy.

The numbers

The post reached 32.1K views, ranking #632 of 1,162 AI chart posts and #14 of 59 @EpochAIResearch posts. Its score of 61 placed it at #442 of 1,162 AI chart posts.

The lesson

A 0.25% save rate, at the 95th percentile among AI chart posts, shows readers bookmark this dumbbell chart at a rate far above the 0.076% median. The 5 models shown sit in one chart, and that chart is what gets kept.

What it means

At #10 of 59 @EpochAIResearch posts by score, this chart sits well inside the account's own top tier. Its 32.1K views fall short of the 39.9K median among AI chart posts, so the save rate carries the result.

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

Updates: what @epochairesearch posted next

Data and API

10 points read off this chart

Estimated from the image 42%

Group	Value	Read
Claude Opus 4	59.25 %	estimated
Claude Opus 4	62.5 %	estimated
Claude Sonnet 4	55 %	estimated
Claude Sonnet 4	57.5 %	estimated
Claude 3.7 Sonnet	49 %	estimated
Claude 3.7 Sonnet	53 %	estimated
Claude 3.5 Sonnet (New)	39.5 %	estimated
Claude 3.5 Sonnet (New)	43 %	estimated
Claude 3.5 Sonnet	30 %	estimated
Claude 3.5 Sonnet	34 %	estimated

Max plan · API

GET https://viral-chart.com/api/posts/6445c5719031.json
GET https://viral-chart.com/api/charts/6445c5719031.json
GET https://viral-chart.com/api/charts/6445c5719031.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 6445c5719031.

Approximate values. Our two readings of this chart agreed only in part (confidence 0.42 of 1), so check the original before you quote a number. The API marks it lowConfidence, and ?min_confidence=0.5 leaves it out.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/6445c5719031`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/6445c5719031/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/6445c5719031/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/6445c5719031/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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