CATEGORY
Best Call Intelligence AI Tools
12 tools compared · 2026
12 call intelligence startups tracked, with the largest concentration in US. Total tracked funding: $1.1B.
Tracked
12
Total Raised
$1.1B
Countries
3
Active Deals
0
1 
Aircall New York, United States $226M 2 
CloudTalk Bratislava, Slovakia $45.3M 3 
Crescendo San Francisco, US $50M 4 
Sybill — $14.5M 5 
Siro New York, US $75M 6 
Rilla — $33.7M 7 
Fireflies.ai San Francisco, US $19M 8 
Avoma — $15M 9 
SquadStack — $24.9M 10 
Cresta Palo Alto, US $280M 11 
Nooks San Francisco, US $70M 12 
Gong San Francisco, US $250M
Funding by year — Call Intelligence
2020 → 2025Top countries
By startup countStage breakdown
Latest round typeTop investors backing Call Intelligence
See all →Recent rounds in Call Intelligence
All rounds →All Call Intelligence startups
Page 1Aircall
Cloud-based phone system and AI conversation intelligence for sales and support teams
Raised
$226M
Stage
S-D
CloudTalk
AI-powered business calling software with conversation intelligence and voice agents
Raised
$45.3M
Stage
S-B
Crescendo
AI-native contact center blending agents and humans
Raised
$50M
Stage
S-C
Sybill
Raised
$14.5M
Stage
S-A
Siro
Gong for field sales — AI coaching for in-person reps
Raised
$75M
Stage
S-B
Rilla
Raised
$33.7M
Stage
S-B
Fireflies.ai
VerifiedAI meeting assistant
Raised
$19M
Stage
S-A
Avoma
Raised
$15M
Stage
S-A
SquadStack
Raised
$24.9M
Stage
S-A
Cresta
VerifiedGenerative AI for the contact center
Raised
$280M
Stage
S-D
Nooks
AI sales assistant for prospecting and dialing
Raised
$70M
Stage
S-B
Gong
VerifiedAI revenue intelligence platform
Raised
$250M
Stage
S-D