David Ondrej

OpenAI Just Released the Mythos Killer (GPT 5.5)

Published 23 Apr 2026 · 22 daily observations recorded · last updated 2026-09-29

Views
19,404
Avg views / hour
5.1
since publish (lifetime average)
Recent velocity
0.0
+0 views over 24h (2026-09-28 → 2026-09-29)
vs channel baseline
—
Channel median
49,171
over 37 comparable videos

Recent growth

Last 7 days
+5 views
measured 2026-09-22 → 2026-09-29 (168h)

Performance history

Every observation TubeSum recorded, plotted as measured.

Views over time — 22 observed points, 19.4K to 19.4K views 0 6.8K 13.6K 20.4K Sep 3, 2026 · 19,390 views Sep 4, 2026 · 19,390 views Sep 7, 2026 · 19,391 views Sep 11, 2026 · 19,391 views Sep 12, 2026 · 19,391 views Sep 13, 2026 · 19,392 views Sep 14, 2026 · 19,394 views Sep 15, 2026 · 19,394 views Sep 16, 2026 · 19,394 views Sep 17, 2026 · 19,395 views Sep 18, 2026 · 19,396 views Sep 19, 2026 · 19,396 views Sep 20, 2026 · 19,397 views Sep 21, 2026 · 19,398 views Sep 22, 2026 · 19,399 views Sep 23, 2026 · 19,399 views Sep 24, 2026 · 19,401 views Sep 25, 2026 · 19,402 views Sep 26, 2026 · 19,402 views Sep 27, 2026 · 19,403 views Sep 28, 2026 · 19,404 views Sep 29, 2026 · 19,404 views Sep 3 Sep 18 Sep 29

Based on 22 observations · last observed Sep 29, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.

All observations

The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.

Date Views Avg views / hour Channel median
2026-09-29 19,404 5.1 49,171
2026-09-28 19,404 5.1 49,171
2026-09-27 19,403 5.2 49,171
2026-09-26 19,402 5.2 49,171
2026-09-25 19,402 5.2 49,171
2026-09-24 19,401 5.3 49,171
2026-09-23 19,399 5.3 49,171
2026-09-22 19,399 5.3 49,171
2026-09-21 19,398 5.4 44,502
2026-09-20 19,397 5.4 44,502
2026-09-19 19,396 5.4 44,502
2026-09-18 19,396 5.5 44,502
2026-09-17 19,395 5.5 44,562
2026-09-16 19,394 5.6 44,562
2026-09-15 19,394 5.6 44,562
2026-09-14 19,394 5.6 44,562
2026-09-13 19,392 5.7 44,562
2026-09-12 19,391 5.7 44,562
2026-09-11 19,391 5.7 44,562
2026-09-07 19,391 5.9 —
2026-09-04 19,390 6.1 —
2026-09-03 19,390 6.1 —

Content analysis

Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.

Read transcript & analysis →