Opus 5.5: Product Launch Data
Associated companies: Anthropic (Compare product launches)
Anthropic's late September 2026 update to the Opus LLMs series.
Tracked keywords:
Opus 5.5
X / Twitter Mentions Over Time
The current week is a linear estimate of full-week mentions and content items, based on 5 of 7 calendar days. Totals and company counts use recorded activity, including this week. Forecast growth compares the estimate with the preceding completed week.
154
Total Mentions (recorded)
139
Posts mentioning Product
51
Companies Mentioning
69
Most mentions in a week
| Week | Mentions | Posts | Companies | WoW Change |
|---|---|---|---|---|
| Nov 9–15, 2026 (projected) 5/7d | ~14 10 actual | ~13 9 actual | 5 | Forecast 100.0% |
| Nov 2–8, 2026 | 7 | 7 | 7 | +16.7% |
| Oct 26–Nov 1, 2026 | 6 | 6 | 6 | -25.0% |
| Oct 19–25, 2026 | 8 | 8 | 7 | -38.5% |
| Oct 12–18, 2026 | 13 | 12 | 8 | 0% |
| Oct 5–11, 2026 | 13 | 12 | 10 | -53.6% |
| Sept 28–Oct 4, 2026 | 28 | 23 | 16 | -59.4% |
| Sept 21–27, 2026 | 69 | 62 | 38 | -- |
| Sept 14–20, 2026 | 0 | 0 | 0 | -- |