OpenAI Just Released the Mythos Killer (GPT 5.5)
Published 23 Apr 2026 · 22 daily observations recorded · last updated 2026-09-29
Recent growth
Performance history
Every observation TubeSum recorded, plotted as measured.
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 →