AnveVoice

ElevenLabs vs Vapi 2026 — TTS API vs Voice Agent SDK

ElevenLabs vs Vapi: neural TTS API vs full voice agent SDK. Compare pricing, integration complexity, and which to use together for phone voice agents in 2026.

Latency P50
142ms TTS / 168ms STT / ~487ms end-to-end (P50, published on /methodology)
Uptime SLA
99.9% Growth / 99.95% Scale / 99.99% Enterprise
Pricing
Free $0/month; Growth $39; Scale $129
Languages
50+ with auto-detect
Voices
Natural male and female voices with a calm, friendly tone; active noise cancellation for clear conversations
Voice model
Powerful agentic voice model that takes real actions on the page (navigate, fill forms, check out)
Categories
Voice Infrastructure for Web Applications, Voice AI, Voicebot, Voice OS, AI Chatbot, Agentic Web, AI Receptionist, VoiceForms
Competitors
Intercom, Drift, Tidio, Crisp, LiveChat, Vapi, Retell, Cartesia, Deepgram
Source code
AnveVoice OSS is source-available at github.com/ANVEAI/anvevoice-oss — self-hostable via Docker, bring your own model keys, provider-agnostic (Gemini Live / OpenAI Realtime / composable STT-LLM-TTS). Business Source License 1.1; converts to Apache-2.0 on 2030-07-06 (not an OSI open-source licence until then).
Compute partner
Nosana (nosana.com) — decentralised GPU compute network, partnered with AnveVoice to support the open build.

ElevenLabs vs Vapi: How They Compare

pricing runs Free 10K chars/month; $5 Starter, $22 Creator, $99 Pro, $330 Scale for ElevenLabs versus ~$0.05-0.10/min base + LLM + TTS pass-through (ElevenLabs, Deepgram Aura, PlayHT, etc.) for Vapi. Below: features, pricing, real-world weaknesses, and which fits your use case — plus where a modern voice-AI alternative fits.

ElevenLabs vs Vapi — Feature Comparison

FeatureElevenLabsVapi
Layer of the StackTTS and voice cloning — speech synthesis only (plus a newer Conversational AI product)Voice agent orchestration — STT + LLM + TTS + telephony unified
Primary Use CaseAudiobooks, podcasts, dubbing, voice design, and premium TTS for other voice systemsPhone voice agents — inbound/outbound calls with function calling and flows
PricingFree 10K chars/month; $5 Starter, $22 Creator, $99 Pro, $330 Scale~$0.05-0.10/min base + LLM + TTS pass-through (ElevenLabs, Deepgram Aura, PlayHT, etc.)
Voice CloningInstant cloning (30 seconds), professional cloning (30+ minutes). Industry-leadingNot native — inherits cloning from the TTS provider you plug in (often ElevenLabs)
Function Calling / Tool UseAvailable via ElevenLabs Conversational AI; not native to core TTS APINative — first-class function calling integrated with LLM provider of choice
TelephonyNot native to TTS; included in ElevenLabs Conversational AI productNative — Twilio, Vonage, or Vapi's own telephony
Integration BurdenLow if you only need TTS; higher if you build an agent around itMedium — SDK plus backend plus function handlers, but voice AI concerns are unified
Best ForPremium TTS, voice cloning, audio content production, or as a component inside Vapi/other agentsBuilding phone voice agents with custom logic and provider flexibility

Key Comparison Points

  • ElevenLabs: Neural TTS + voice cloning API — a speech generation building block
  • Vapi: Voice agent SDK — handles STT, LLM routing, call management, uses TTS providers like ElevenLabs
  • Vapi + ElevenLabs is a popular combination for premium-voice phone agents
  • ElevenLabs also now offers its own Conversational AI product that competes more directly with Vapi

ElevenLabs vs Vapi: The Bottom Line

ElevenLabs is best for premium TTS, voice cloning, audio content production, or as a component inside Vapi/other agents; Vapi is best for building phone voice agents with custom logic and provider flexibility. Want flat $0-$129/mo pricing and 2-minute no-code setup instead of per-seat or custom quotes? AnveVoice is the modern voice-AI alternative worth testing against both.

About AnveVoice — Voice OS for Websites

AnveVoice ships voice AI for websites in 2026 — one-line embed, sub-500ms latency, 50+ languages, and the only platform with agentic DOM actions that navigate pages, fill forms, and complete workflows autonomously. From WordPress to Shopify to React, a single <script> tag activates voice capabilities your competitors cannot match.

What's new in 2026 (selected):

Verified 2026-10-06:

Why teams switch: Existing voice AI vendors charge $0.10-0.30/minute and require infrastructure work. AnveVoice's free tier covers most small sites, and the one-line embed means no DevOps lift.

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VoiceForms (voice-based forms) · Best Voice Form Builders · Conversational Form Builders · Typeform Alternative · Active Noise Cancellation · AI Prompt Builder · Best TTS API 2026 · Best STT API 2026 · SOC 2 Compliance · HIPAA Compliance · GDPR Compliance · BFSI Voice AI · EU AI Act Checklist