#1
Deepgram

Deepgram

★★★★ 4.4 Free / $0.0036+ Free plan

AI speech platform offering ultra-fast transcription, text-to-speech, and speech understanding APIs built on custom deep learning models.

speech-to-texttext-to-speechreal-time-streaminglanguage-detection
✓ Extremely fast transcription (up to 40x real-time)✓ Competitive accuracy with custom models✓ Both STT and TTS in one platform
#2

RingCentral

★★★★ 4.2 $30+

Leading unified communications platform providing messaging, video, and phone in one integrated solution for businesses worldwide.

business-phonevideo-meetingsteam-messagingcontact-center
✓ Complete UCaaS solution✓ Extensive integrations marketplace✓ Reliable enterprise-grade platform
#3

8x8

★★★★ 4 $28+

Cloud communications platform combining voice, video, chat, and contact center with unlimited international calling to 48 countries.

unlimited-callingvideo-conferencingteam-chatcontact-center
✓ Unlimited international calling✓ Strong contact center features✓ Good uptime and reliability

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