Models
xAI
AI Voice Model Benchmarks

xAIX · Jul 29, 2026 · official

AI Voice Model Benchmarks

xAI's table chart drew 12.4M views on X: 95x its median post and #9 of 1,162 AI chart posts we hold by views. Read Oct 13, 2026.

Grok Voice Think Fast 2.0 leads benchmarks

XData Table chart Grok Voice All xAI modelsGrok Voice Think Fast 2.0Grok Voice Think Fast 1.0GPT-Realtime-2.1 (High)Gemini 3.1 Flash (High)

xAI: AI Voice Model Benchmarks — Published by xAI on X, Jul 29, 2026. Source: x.com

70/ 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.

#215 of 1,162 AI chart posts we hold · #1 of 23 xAI 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 sits in the Wide but thin quadrant, at #215 of 1,162 AI chart posts.

Its 12.4M views sit 95x xAI's median post of 131K, the #2 of 23 xAI posts by views.

Engagement lands at 0.080%, 0.11x the AI chart median of 0.73% and 1st percentile.

A score of 70 puts it at #215 of 1,162 AI chart posts and #1 of 23 xAI posts.

95xxAI's median post

12.4M views, where xAI's typical post gets 130.6K.

93xthe median table chart post

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

bottom 1%engagement rate

0.08% of viewers liked, reposted, quoted or replied. The median post gets 0.73%.

bottom 5%save rate

0.009% 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 23 from xAI.

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 #215 of 1,162

Views	12.4M	#9	top 1%
Likes	8.4K	#36	top 3%
Engagement rate	0.08%	#1,146	bottom 1%
Save rate	0.009%	#1,101	bottom 5%

Among 23 xAI posts

Score #1 of 23

Views	12.4M	#2	top 7%
Likes	8.4K	#1	top 2%
Engagement rate	0.08%	#19	bottom 20%
Save rate	0.009%	#20	bottom 15%

Growth

Our reads cover 21 hours

Views12.4M

Age at our read76 days

Views per day of life163.5Kviews divided by days since it was posted

Gained between our reads+199views over 21 hours, about 224 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.

xAI'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 · Jul 29, 2026 · Lead story

xAI posts Grok Voice benchmark table, 12.4M views

The table drew 12.4M views against a 39.9K median among AI chart posts, with engagement at 0.080%.

What happened

xAI published a table chart on July 29, 2026 covering AI Voice Model Benchmarks. It was the account's only post that day.

The numbers

The post reached 12.4M views, #9 of 1,162 AI chart posts, and scored 70, #215 of 1,162 AI chart posts.

The lesson

A table chart with 4 models shown drew 12.4M views, 95x xAI's median post, while its save rate of 0.009% stayed low.

What it means

For xAI, the #1 of 23 xAI posts by score still trails the AI chart median engagement of 0.73% at 0.080%.

Written by ViralChart from public numbers read on Oct 13, 2026. Every number is checked against our data before it is shown.

Updates: what xAI posted next

Data and API

19 points read off this chart

Estimated from the image 97%

Series	Group	Value	Read
Grok Voice Think Fast 2.0	Overall AA Speech-to-Speech Quality Index	82.9	printed
Grok Voice Think Fast 1.0	Overall AA Speech-to-Speech Quality Index	75.7	printed
GPT-Realtime-2.1 (High)	Overall AA Speech-to-Speech Quality Index	79.1	printed
Gemini 3.1 Flash (High)	Overall AA Speech-to-Speech Quality Index	69.5	printed
Grok Voice Think Fast 2.0	Speech Reasoning Big Bench Audio	97.2	printed
Grok Voice Think Fast 1.0	Speech Reasoning Big Bench Audio	97.1	printed
GPT-Realtime-2.1 (High)	Speech Reasoning Big Bench Audio	96	printed
Gemini 3.1 Flash (High)	Speech Reasoning Big Bench Audio	96.6	printed
Grok Voice Think Fast 2.0	Conversational Dynamics Full Duplex Bench	95.1	printed
Grok Voice Think Fast 1.0	Conversational Dynamics Full Duplex Bench	77.8	printed
GPT-Realtime-2.1 (High)	Conversational Dynamics Full Duplex Bench	95.7	printed
Gemini 3.1 Flash (High)	Conversational Dynamics Full Duplex Bench	74.3	printed

Showing 12 of 19. All points, the redraw and the maker

Max plan · API

GET https://viral-chart.com/api/posts/b8106e92e876.json
GET https://viral-chart.com/api/charts/b8106e92e876.json
GET https://viral-chart.com/api/charts/b8106e92e876.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 b8106e92e876.

See the Max plan API docs

	Path	Returns	Plan
GET	`/api/v1/charts/b8106e92e876`	Title, publisher, date, form, point count; with a Max key, the data link	Open
GET	`/api/v1/charts/b8106e92e876/data`	Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV	Max
GET	`/api/v1/charts/b8106e92e876/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/b8106e92e876/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.

More charts about Grok Voice

Grok Voice: Speech Transcription: Accuracy vs. Price

OfficialX · xAISep 18, 2026

Speech Transcription: Accuracy vs. Price9.8M views · 5.6K likes