SoundHound AI

Lifelike enterprise voice AI agents for customer service calls.

PolyAI's Agentic Dialog Platform builds voice agents that resolve customer service calls for large enterprises in banking, healthcare, hospitality, telecom, and retail. Agent Studio gives non-technical teams a no-code builder while the ADK exposes developer APIs, with SOC 2, HIPAA, GDPR, and PCI DSS compliance built in. Its proprietary Raven model is trained on over a billion enterprise conversations.

Voice agent infrastructure. Build a phone-agent in a weekend.

Production voice-agent platform — telephony, STT, LLM, TTS, and interrupt handling stitched together so you call an endpoint and get a working phone agent. Pluggable models at every layer.

Build, test, and deploy AI voice agents for phone calls.

A no-code platform for humanlike voice agents that handle inbound and outbound phone calls — receptionists, IVR, and outbound campaigns. It bundles telephony (SIP / Twilio), a proprietary turn-taking model for low-latency conversations, prompts, tools, and call analytics. Pay-as-you-go pricing with free starter credits.

No-code platform for AI voice agents that automate phone calls.

Synthflow is an enterprise voice-AI platform for building and deploying AI agents that handle phone calls — inbound and outbound — without code. A visual flow designer, in-house telephony, real-time monitoring, and 200+ integrations across calendars, CRMs, and telephony let teams stand up agents for customer service, appointment scheduling, and lead qualification. It runs on a pay-as-you-go model: build and test free, then pay per call once live.