Frontier model ECI trends
Epoch AI's scatter plot drew 640.5K views on X: 121x @epochairesearch's median post and #129 of 1,162 AI chart posts we hold by views. Read Oct 10, 2026.
GPT-6 Astra has set a new ECI record, with a score of 169. This is a substantial jump from the prior best (163), but is within our uncertainty range for the reasoning-era ECI trend. Astra also set new records on our math, continual learning
Why it spread
This chart post spread because @EpochAIResearch posted a scatter chart on 2026-09-03 showing GPT-6 Astra setting a new ECI record of 169, a substantial jump from the prior best of 163 that still sits within the uncertainty range for the reasoning-era ECI trend, and it drew 2,213 likes, 321 reposts, 83 quotes, 603 saves, and 640,397 views.
What worked
- The post pairs a clear record claim with honest framing, since the new score of 169 beats the prior best of 163 but is described as within the uncertainty range for the reasoning-era trend.
- The chart is a scatter with high self labelling wiped out and a visible source line, so viewers can read the record and the trend without extra explanation.
- The account is an independent author with top quarter source reach wiped out, and the post earned an above average quote rate, which together pushed discussion outward through 83 quotes and 321 reposts.
What to borrow
We could use the same form by making a scatter chart that marks our own new high point against our prior best and an uncertainty band, then state plainly whether the jump stays inside the expected trend.
Careful
Do not copy the record framing as proof of a breakout, because the post itself says the new score is within the uncertainty range, and do not over-read the 603 saves or 640,397 views as a sign that the chart design alone drove the spread.
Written by our analysis model from the measured numbers above, not by Epoch AI.
Make it yours
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Its own maker appears here once its numbers are read. Until then, these are other real charts in a similar format: each data page starts from that chart's numbers and takes yours.
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 bc376deb2cd5.
Approximate values. Our two readings of this chart agreed only in part (confidence 0.36 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/bc376deb2cd5 | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/bc376deb2cd5/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/bc376deb2cd5/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/bc376deb2cd5/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 Epoch AI's "Frontier model ECI trends" chart travel?
640,397 views, 2,213 likes, 321 reposts and 603 saves on X, read Oct 10, 2026. A normal post from @EpochAIResearch gets about 68.2K views.
What kind of chart is it?
A scatter plot. GPT-6 Astra sets new ECI record, slightly above reasoning-era trend.
Can I use Epoch AI's chart?
Use the format, not the picture. The chart, logo and design belong to Epoch AI. ViralChart redraws the chart type with your numbers and words, and credits the original publisher.