Open evidence trend
Open evidence is still accelerating: overall interest is up +122% in a year and +33% in the last three months.
- ConfidenceHow sure the Pulse is over its last 13 weeks. High confidence: three or more steady sources, from different companies, carry the line lately. Every label
- High
Two things to know
- Open evidence is tracked on the Next Big Pulse, +122% in a year, about 1.5M searches a month in the US.
- Near its peak: at 100% of its two-year peak; searches at this point were higher a year later 76% of the time, against 73% for any search.
- Searches a month
- 1.5M
- The Pulse now, US, between 780K and 3.0M
- Rise so far
- Near its peak
- At 100% of its 2-year peak, climbing 99 weeks. Searches here were higher a year on 76% of the time (any search 73%)
- Shelf life
- 9 to 63 weeks
- How long past rises like this one lasted: median 23 weeks, from 3,914 rises. History, not a forecast
- Overall interest, a year
- +122%
- from 806K to 1.5M searches a month
- Last 3 months
- +33%
- accelerating, +375K a month
- Peaks
- All year
- no seasonal peak
- A click is worth
- $0.32
- what advertisers pay
- Ranking difficulty
- 20/100
- room for a new page
What's next for open evidence
- Direction
- Accelerating, +33% over the last 3 months.
Is open evidence really trending?
Only Hunger is measured for open evidence so far: no source of Heat counts it yet, so there's no verdict.
- Hungerwhat people go looking for+33% in 3 monthsFrom Bing searches, Google News search, web popularity
- HeatHeat: what the crowd is shown, unasked. No source counts it for this search yet.
Real when people are shown it and go looking for it; Early when the crowd is shown it first; Hype when it's shown and not sought; Quiet demand when searches rise with little talk. How the two sides are read.
Is open evidence still growing?
Yes. Overall interest in open evidence is up +122% in a year, and still up +33% over the last 3 months. The line blends every source we read for it, each listed below with its own figures, and the Next Big Pulse confirms the rise.
- +33%in 3 monthsJul 2026 to this week
- +122%in 1 yearOct 2025 to this week
- +1,178%in 2 yearsOct 2024 to this week
Each figure compares overall interest at the end of the window with its start.
Who searches for it, and why
Open Evidence refers to OpenEvidence, an AI-powered medical search engine that answers clinicians' questions with citations from peer-reviewed journals and guidelines, free for verified doctors and funded by advertising. People search it to sign up, compare it with other medical AI tools and ask whether it is accurate. In practice, the searchers are physicians, nurses, residents and medical students using it at the point of care. Its fast adoption has made it one of the most used AI tools in medicine. It signals demand for trustworthy clinical AI tools and related services.
Most people search it to learn about it.
Sources
The chart is the Next Big Pulse: every source with a weekly or monthly reading for open evidence, blended into one line of overall interest. A trend counts only when independent sources confirm the rise, each read against what every other search we track did there.
- Bing searches69%since Sep 2024
- Web popularity27%since Sep 2024
- Google News search2%since Jan 2026
Confidence: high, three or more steady sources, from different companies, carry the line lately. The last 2 weeks rest on fewer sources: they aren't in Bing searches and web popularity yet. How the grade works
| Source | Rose with it | This search, in a year | The typical search there |
|---|---|---|---|
| Bing searches | Rose | More than for the typical search there. Named, not quoted: its licence. | |
| Wikipedia views | No rise above typical | ||
| Bluesky posts | No rise above typical | ||
| Hacker News mentions | No rise above typical | ||
| Research papers | No rise above typical | ||
| New York Times articles | No rise above typical | ||
Searches a month is the Pulse's reading now, in Google Ads' scale for the US; cost per click and ranking difficulty are Google Ads keyword estimates.
The same search on Google Trends · How we read every source
Projections are Next Big's forecasts from public search data. They aren't financial, investment, trading or medical advice.
Questions
Is open evidence still popular in 2026?
Yes. Overall interest in open evidence is up +122% on a year ago, and +33% over the last three months.
How many people search for open evidence?
About 1.5 million searches a month in the US, on the Next Big Pulse.
When do searches for open evidence peak?
It doesn't follow a season. Its busiest week in five years was in October 2026.
Will open evidence keep growing?
It's too early to project: the rise is too short or too uneven for a forecast to mean anything yet. Its direction over the last three months is accelerating.
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