Hacker News Insights research
Hacker News in 2025
The strongest tracked Hacker News title themes in 2025, with annual shares and historical context.
Data through 2026-07-13
This page ranks the tracked topics by their share of retained Hacker News story titles in 2025. It is a full calendar year; topic patterns can overlap and the list is not a taxonomy of every story.
| Rank | Topic | Category | Title share |
|---|---|---|---|
| 1 | AI / LLM | AI | 12.901% |
| 2 | Open source | Meta | 1.518% |
| 3 | AI agents | AI | 1.296% |
| 4 | Security | Crypto & privacy | 0.945% |
| 5 | Rust | Languages | 0.883% |
| 6 | Linux | Infra | 0.792% |
| 7 | Startups | Meta | 0.695% |
| 8 | Python | Languages | 0.681% |
| 9 | Bitcoin / crypto | Crypto & privacy | 0.518% |
| 10 | Privacy | Crypto & privacy | 0.438% |
| 11 | Postgres | Data | 0.361% |
| 12 | JavaScript | Languages | 0.305% |
Context markers
- 2025-01 — DeepSeek R1 shock: DeepSeek's cheap open reasoning model roils AI markets 2025-01.
Method
Every percentage uses that year's retained story-title count as its denominator. Visit the Attention Lab for 2025 or read the methodology.