Agent success rates over time
Arena's line chart drew 30.6K views on X: 3.9x its typical post and #69 of 89 Arena charts we track by views. Read Oct 14, 2026.
July's most reliable AI agent is now just average.
Why it spread
The post spread because it paired a polished line chart with a strong narrative about a leading AI agent falling to average, earning 35 likes, 3 reposts, 2 quotes, 8 saves and 3,741 views, which is 1.8 times the account's normal performance.
What worked
- The chart design is highly polished and clearly self labelled, which makes the trend easy to grasp at a glance.
- The post text frames a dramatic shift, saying the most reliable agent in July is now just average and that it only took 12 weeks for the top 20 to change.
- The quote rate sits in the top quarter, showing that people used the post as a talking point rather than just a like.
What to borrow
We could reuse the same form by taking one of our own time series charts, giving it a clean self labelled design, and writing a short plain text hook that names the before and after state without inventing numbers.
Careful
Do not over-read the spread as proof of broad reach, since the source reach is only in the bottom quarter and the account's typical likes are 20, so the lift is real but modest.
Written by our analysis model from the measured numbers above, not by Arena.
Make it yours
Your numbers, in this line chart.
Starts from the real numbers of "Agent Arena" by Arena. Replace every number with yours before you post. Make one like this, step by step
Free pictures carry a small "Made with ViralChart" line. That line is how other people find us.
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 7d549673ba3e.
Approximate values. Our two readings of this chart agreed only in part (confidence 0.40 of 1), so check the original before you quote a number. The API marks it lowConfidence, and ?min_confidence=0.5 leaves it out.
| Path | Returns | Plan | |
|---|---|---|---|
| GET | /api/v1/charts/7d549673ba3e | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/7d549673ba3e/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/7d549673ba3e/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 |
curl -s https://viral-chart.com/api/v1/charts/7d549673ba3e/data \
-H "Authorization: Bearer $VIRALCHART_KEY"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
How far did Arena's "Agent success rates over time" chart travel?
30,599 views, 291 likes, 17 reposts and 45 saves on X, read Oct 14, 2026. A normal post from @arena gets about 7.9K views.
What kind of chart is it?
A line chart. Agent success rates improve over time across top tiers.
Can I use Arena's chart?
Use the format, not the picture. The chart, logo and design belong to Arena. ViralChart redraws the chart type with your numbers and words, and credits the original publisher.