The AI Index
Back to Risers
RiserAI Voice

Vapi

HQ San Francisco, USFounded 2023series aWebsite @Vapi_AI
Composite score
73.6
rank #5 · risers

#5 Riser. Headcount up 17% over the last 90 days.

Watch Vapi · One email when its rank, headcount or news changes. Mondays, only when something moved.
Headcount
136
+8.8%
90d change
+17.2%
Funding events (90d)
0
2 all-time tracked
Layoff events (90d)
0

headcount + trends: LinkedIn-tracked weekly series · funding & layoff counts: through Jul 2026 (frozen) + live news extraction

Signals

source: PDL v25
Inferred revenue
$50M-$100M
PDL estimate
Revenue / employee
$551k
midpoint ÷ headcount
12-month turnover
26.5%
high — churn risk
Average tenure
1.0 yrs
Time since last raise
3 mo
recent raise

Hiring flow · Vapi

source: PDL v25

Headcount by role

12-month growth · PDL v25
Engineering
46
+31%
Operations
8
+33%
Sales
7
+250%
Human Resources
7
+250%
Product
5
+150%
Marketing
4
-20%
Analyst
3
+200%
Finance
2
0%
Other
11

In the news

relevance ≥ 6 · last 180 days
No recent mentions across our tracked sources.
Machine-readablesignals RSSJSON APIAPI & MCP docs

Events

Funding · series b · $50M
4mo ago
Funding · series a · $20M
2y ago

Score history

2026-08-24
73.6
rank #5
2026-08-17
70.2
rank #10
2026-08-10
64.3
rank #12
2026-08-03
56.0
rank #12
2026-07-27
39.3
rank #17
2026-07-20
51.0
rank #15
2026-07-13
48.0
rank #16
2026-07-06
38.4
rank #20
2026-06-29
37.6
rank #32
2026-06-22
37.4
rank #32
2026-06-15
29.4
rank #25
2026-06-08
54.3
rank #15