AnveVoice

Google Dialogflow vs Retell AI (2026): Honest Comparison

Detailed comparison of Google Dialogflow and Retell AI. Features, pricing, pros and cons — plus a modern voice AI alternative.

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.

Google Dialogflow vs Retell AI: How They Compare

Google Dialogflow centers on nLU-powered conversational AI, while Retell AI is built for low-latency developer-friendly voice agent API; pricing runs Pay-per-request for Google Dialogflow versus $0.07/min+ for Retell AI. Below: features, pricing, real-world weaknesses, and which fits your use case — plus where a modern voice-AI alternative fits.

Google Dialogflow vs Retell AI — Feature Comparison

FeatureGoogle DialogflowRetell AI
Primary FocusNLU-powered conversational AILow-latency developer-friendly voice agent API
Pricing ModelPay-per-request$0.07/min+
CategoryAI/ML PlatformVoice AI Platform
Target UserDevelopers and data teamsTeams building voice experiences
Implementation TimeWeeks to monthsHours to days
AI IntegrationAI-native platformAI-native platform
Key WeaknessComplex setup, Google Cloud requiredRequires technical implementation
Best ForTeams that need nlu-powered conversational ai with google cloudTeams that need low-latency developer-friendly voice agent api

Key Comparison Points

  • Primary Focus
  • Pricing Model
  • Category

Google Dialogflow vs Retell AI: The Bottom Line

Google Dialogflow is best for teams that need nlu-powered conversational ai with google cloud; Retell AI is best for teams that need low-latency developer-friendly voice agent api. Trade-offs — Google Dialogflow: complex setup, Google Cloud required; Retell AI: requires technical implementation. 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

Voice AI in 2026 splits into two camps: bots that talk, and bots that act. AnveVoice belongs to the second — its agentic DOM layer lets the assistant click buttons, submit forms, and walk visitors through multi-step flows by voice alone. Add it to your site with one line of code; the free tier covers most small sites without a credit card.

What's new in 2026 (selected):

Verified 2026-10-05:

Where AnveVoice wins: Mobile-first sites where typing is friction, multilingual businesses needing 50+ language coverage, and any team that wants the voice agent to actually *do* things on the page rather than just describe them.

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📦 Explore the 2026 Updates

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