Best Ai Voice Agent Products in 2026

API that enables developers to build human-like voice agents.

Key Retell AI features:

Enhanced productivity Accuracy Accessibility Integration

Automated AI security testing for agents, chatbots, and APIs. Find prompt injection, data leaks, and unsafe behavior before launch.

Key PromptBrake features:

AI Security Testing Supported Targets CI Release Gates Self-Hosted Execution

Try for free paid Free Trial $499 / Monthly (Enterprise: 30 scans, 1 active runner license) Sponsored

Voice AI Infrastructure for the Internet.

Smith.a is one of the best virtual receptionist and chat services that offer phone calls, answer chats and take messages for you and your staff.

Key Smith.ai features:

Comprehensive Services 24/7 Availability Expertise in Various Industries Scalability

An AI Phone Calling API.

Key Bland AI features:

User-Friendly Interface Affordable Pricing Customization Options Reliable Performance

AI receptionist that answers your business calls 24/7.

Key Callnfy features:

User-Friendly Interface Affordable Pricing Comprehensive Features Reliable Customer Support

AI Receptionist provides 24/7 automated phone answering, spam call filtering, and appointment booking for small businesses. Never miss an important call. Free trial available.

The most realistic and versatile AI speech software, ever. Eleven brings the most compelling, rich and lifelike voices to creators and publishers seeking the ultimate tools for storytelling.

Key Eleven Labs features:

High-Quality Voice Synthesis Customization Options Versatility User-Friendly Interface

Open Source

Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Key Intercom features:

User-friendly Interface Comprehensive Customer Communication Tools Customization and Integration Automation Capabilities

Phone number with an AI assistant that can answer the common requests coming into local businesses.

Key Goodcall features:

User-Friendly Interface Comprehensive Scholarship Database Free Access No Registration Required

paid Free Trial $59 / Monthly (Unlimited usage per location.)

Slang.ai is an AI answering service that's dead simple to set up. It's a better alternative to sending your customers to voicemail and losing business when you can't answer the phone.

paid $380 / Monthly

Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs.

Key Aircall features:

Ease of Use Integration Capabilities Scalability Remote Work Support

Smart Conversations, Real Results 24/7 AI Voice Agents for Growing Businesses.

Key Dialora.ai features:

AI Assistants & Templates Call Transcription & Recording CRM & Tech Integrations Real-Time Booking & Outbound Campaigns

paid Free Trial $49 / Monthly

An open-source platform to build human-like voice AI agents.