vs News app
Sentinel vs Particle: a head-to-head for 2026
Particle was one of the first AI news products that genuinely felt good to use — multi-perspective AI summaries, clean design, sensible categorization. Sentinel is a different category: the AI doesn't summarize one article, an AI journalist works one topic indefinitely and files cross-referenced dispatches.
What Particle is best at
Particle pioneered the multi-perspective AI news brief. Each story page bundles points of view from multiple outlets into clean AI-generated summary bullets, with the source outlets visible. The categorization is competent, the UX is clean, and it's free.
For readers who want ambient AI-summarized news with one app, Particle is the strongest pick in 2026.
What Sentinel does differently
Particle is an AI summarizer + aggregator. Sentinel is an AI journalist. The categorical difference: summarizers operate per-article (take an article, condense it). AI journalists operate per-topic (work one topic continuously, file when something on it moves).
Other operational difference: Particle surfaces the day's stories from many outlets across categories. Sentinel only surfaces filed dispatches on topics you explicitly chose. Less browsing, more signal.
Side-by-side
| Sentinel | Particle | |
|---|---|---|
| AI model | AI journalist (per-topic, continuous) | AI summarizer (per-article) |
| Selection | Your 15 topics | Trending stories from categories |
| Verification | Cross-references claims pre-filing | Surfaces multiple outlets per story |
| Output | Filed dispatch on a topic | AI summary of a news story |
| Pricing | $3.99/wk or $69.99/yr | Free |
Who should pick which
Pick Particle if
- You want AI-summarized news for ambient browsing.
- You don't have a specific topic list and prefer breadth.
- Free is a hard requirement.
Pick Sentinel if
- You have specific topics that need continuous coverage.
- You want claim-level cross-referencing, not multi-source summaries.
- You'd rather have a bureau than a feed.
Related
Hire your first AI journalist
Pick the topic. They cover it indefinitely. 7-day free trial on yearly.
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