AnveVoice

AssemblyAI vs Five9 (2026): Honest Comparison

Detailed comparison of AssemblyAI and Five9. 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.

AssemblyAI vs Five9: How They Compare

AssemblyAI centers on accurate transcription, while Five9 is built for cloud-native contact center; pricing runs $0.00025/sec+ for AssemblyAI versus $149/agent/mo+ for Five9. Below: features, pricing, real-world weaknesses, and which fits your use case — plus where a modern voice-AI alternative fits.

AssemblyAI vs Five9 — Feature Comparison

FeatureAssemblyAIFive9
Primary FocusAccurate transcriptionCloud-native contact center
Pricing Model$0.00025/sec+$149/agent/mo+
CategoryVoice AI PlatformEnterprise Contact Center
Target UserTeams building voice experiencesEnterprise contact center teams
Implementation TimeHours to daysWeeks to months
AI IntegrationAI-native platformAI features available
Key WeaknessTranscription-focused, not a voice agentExpensive entry-level pricing
Best ForTeams that need accurate transcription with summarization and sentTeams that need cloud-native contact center with intelligent va

Key Comparison Points

  • Primary Focus
  • Pricing Model
  • Category

AssemblyAI vs Five9: The Bottom Line

AssemblyAI is best for teams that need accurate transcription with summarization and sent; Five9 is best for teams that need cloud-native contact center with intelligent va. Trade-offs — AssemblyAI: transcription-focused, not a voice agent; Five9: expensive entry-level pricing. 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

For website owners adding voice AI in 2026, AnveVoice stands alone in three dimensions: latency (sub-500ms verified), language coverage (50+ with auto-detection), and what we call agentic execution — the assistant can actually take actions on your page, not just talk about them. One-line install, free tier, no credit card.

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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📦 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