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Perplexity.ai
Perplexity AI is an answer engine that leverages large language models and search technology to provide accurate, sourced responses to complex queries
last checked Jul 16, 2026 · HTTP 403
CohortClass of 2026What it is
Perplexity AI is an answer engine that leverages large language models and search technology to provide accurate, sourced responses to complex queries. It combines LLM reasoning with real-time search capabilities to deliver current and reliable information. The platform prioritizes accuracy and transparency by grounding responses in verifiable search results.
HTTP liveness
20 probes since Jun 16Jun 16Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026Probe inconclusiveCloudflare block
- Jun 23, 2026Back onlineAlive · 200 OK
- Jun 20, 2026Probe inconclusiveCloudflare block
- Jun 19, 2026Back onlineAlive · 200 OK
- Jun 17, 2026Probe inconclusiveCloudflare block
- Jun 16, 2026First probe — liveAlive · 200 OK
- Jun 2, 2026
- May 7, 2026
- May 6, 2026
Press mentions
3 lifetime · 3 shownTue
Jun 2
Jun 2
VentureBeat
Perplexity AI unveils hybrid local-cloud inference system at Computex 2026
venturebeat.com·
Thu
May 7
+1.00May 7
Discussion 0 comments
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Pulse Indexobserved activity
213/4 signal families
Liveness40%0.20
Press30%0.10
GitHub20%no data
Tranco10%0.99
Weighted observed activity · updated Jul 15
Founders
Aravind Srinivas
Denis Yarats
Andy Konwinski
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y