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AI Voice & Phone

Voice synthesis, cloning, and phone automation tools that handle calls, generate speech, and power voice-first experiences at enterprise scale.

beginner

ElevenLabs

The most realistic AI voice platform — clone, generate, and deploy at scale.

ElevenLabs is the leading AI voice platform, offering text-to-speech, voice cloning, and conversational voice agents with the most natural-sounding output in the industry. From a 10-second audio sample, ElevenLabs can clone any voice with remarkable fidelity across 29 languages. Businesses use it for content localization, IVR replacement, audiobook production, and building voice-first AI agents. PxlPeak deploys ElevenLabs across marketing, support, and product teams with custom voice profiles, API integrations, and compliance guardrails.

Voice cloning from as little as a 10-second audio sample29 languages with natural prosody and emotional expressionText-to-speech API with streaming and low-latency modesConversational AI agents for phone and chat voice interactions

1M+

Users worldwide

29

Languages supported

10sec

Audio needed for voice cloning

intermediate

Bland.ai

Enterprise phone automation that sounds human — at scale.

Bland.ai is an enterprise phone automation platform that handles inbound and outbound calls with AI agents indistinguishable from human operators. With sub-400ms latency, custom voice personas, and deep CRM integrations, Bland.ai powers phone operations for companies like Samsara and Snapchat. It excels at appointment scheduling, lead qualification, collections, and customer outreach where phone remains the primary channel. PxlPeak deploys Bland.ai as a full phone automation layer, handling script design, voice configuration, CRM integration, and compliance setup.

Sub-400ms response latency for natural conversation flowCustom voice personas with tone, pacing, and personality controlDeep CRM integration with Salesforce, HubSpot, and custom systemsCall transfer to live agents with full context handoff

<400ms

Response latency

1M+

Calls handled per month

68%

Cost reduction vs. human agents

intermediate

Synthflow

Real-time voice AI agents that handle your frontline calls.

Synthflow provides real-time voice AI agents designed for businesses that need to automate high-volume phone interactions without sacrificing quality. With native integrations into Freshworks, GoHighLevel, and major CRM platforms, Synthflow slots into existing sales and support workflows. Its agents handle appointment booking, lead qualification, FAQ resolution, and follow-ups — automating up to 65% of routine calls. PxlPeak deploys Synthflow with custom conversation flows, CRM integration, and analytics dashboards.

Real-time voice AI with natural conversation handlingNative CRM integrations with Freshworks, GoHighLevel, HubSpotAppointment booking with calendar integration and confirmationMulti-language support for international customer bases

65%

Routine calls automated

24/7

Always-on availability

40%

Reduction in missed calls

advanced

Vapi

The developer platform for building custom voice AI agents.

Vapi is a developer-first platform for building, testing, and deploying custom voice AI agents. Unlike turnkey solutions, Vapi gives engineering teams full control over the voice pipeline — from speech-to-text and language model selection to text-to-speech and telephony integration. It supports custom LLM backends, tool calling, and function execution during conversations, making it ideal for complex use cases that require deep integration with internal systems. PxlPeak uses Vapi for clients that need bespoke voice AI solutions beyond what off-the-shelf platforms offer.

Modular voice pipeline with swappable STT, LLM, and TTS providersFunction calling and tool use during live voice conversationsCustom LLM backends including GPT-4, Claude, Gemini, and open-source modelsWebSocket and REST APIs for real-time conversation control

10K+

Developers building on Vapi

<500ms

End-to-end latency

100+

Voice and model combinations

intermediate

Retell AI

Build, test, and deploy AI voice agents in hours, not months.

Retell AI is a developer-first voice agent platform that makes it surprisingly fast to build phone-based AI agents. You bring the LLM logic (OpenAI, Claude, custom) and Retell handles telephony, turn-taking, interruption handling, and ultra-low latency voice synthesis. The result is phone conversations that feel natural — no awkward pauses or robotic responses. Businesses use Retell for appointment scheduling, lead qualification, outbound campaigns, and after-hours support. PxlPeak builds Retell-powered voice agents with custom conversation flows, CRM integrations, and real-time analytics.

Sub-800ms voice-to-voice latency for natural conversationsBring-your-own-LLM architecture (OpenAI, Anthropic, custom)Built-in telephony with call transfer, voicemail, and conferencingInterruption handling and natural turn-taking

< 800ms

Voice-to-voice latency

500+

Companies building on Retell

15M+

Minutes of AI calls processed

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