AI Voice Agent Tools

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Retell AI

Editorial profile

Developer-friendly voice agent infrastructure for building low-latency inbound and outbound phone agents.

Voice Agent Platform Developer and builder Developers

Usage-based platform pricing

9.2

Vapi

Editorial profile

Voice AI platform for developers building production phone agents with configurable orchestration and integrations.

Voice Agent Platform Developer Developers

Usage-based platform pricing

9.0

Telnyx

Editorial profile

Carrier-grade voice API, SIP trunking, and real-time media infrastructure for teams building AI phone agents and programmable contact centers.

Voice Infrastructure Developer and infrastructure Developers

Usage-based voice, number, SIP, and platform pricing

8.9

Bland AI

Editorial profile

Enterprise voice AI platform for building, running, and monitoring AI phone agents across inbound and outbound calls.

Voice Agent Platform Developer and enterprise Enterprise teams

Per-minute and enterprise plans

8.8

Synthflow

Editorial profile

Enterprise voice AI platform focused on no-code and managed call automation for sales, support, scheduling, and routing.

Enterprise Voice AI No-code and enterprise Enterprise teams

Pay-as-you-go and enterprise

8.7

Goodcall

Editorial profile

AI phone agent and virtual receptionist platform for businesses that want a configurable no-code answering workflow.

AI Receptionist No-code Small businesses

Subscription by agent or usage tier

8.5

Smith.ai

Editorial profile

Hybrid AI and live receptionist service for law firms and small businesses that need 24/7 call coverage.

Hybrid Receptionist Hybrid human and AI Law firms

Per-call reception plans

8.4

Slang AI

Editorial profile

Restaurant-focused voice AI for reservations, guest questions, routing, and hospitality phone workflows.

Restaurant Voice AI Managed and no-code Restaurants

Restaurant-focused subscription

8.3