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Ranked · Voice agents

Best Voice agents — Open models

4 of 13 researched voice agents have a confirmed yes for Open models. Qualified, negative, and unknown answers stay distinct.

4 of 13 voice agents have a confirmed yes for “Open models”. 3 are qualified or tier-scoped, 4 are confirmed no, and 2 remain not established. Only confirmed yes answers appear in this set; an unknown is never treated as a negative.

How we ranked these

Projected from the live listing datasheets using the tenant’s “Can it run open-weight models?” axis. Membership requires a sourced yes; partial and unknown answers are reported above but excluded from the ranking. Entries retain the directory’s paid-tier ordering, visibly labelled on every promoted card.

The full ranking method →

All picks at a glance

All 4 compared on one screen. Pick a row to jump to the full entry.

#AgentBest forFrom
1Deepgram Voice Agent API$4.50/hr Standard / Standard to Custom (BYO LLM and TTS)
2ElevenLabs ElevenAgents$0 / mo
3LiveKit Agents$0 / month
4Vapi$0.05 / min

The ranking

  1. Editor’s pick

    #1

    Deepgram Voice Agent API

    One WebSocket API that runs speech-to-text, LLM orchestration and text-to-speech for real-time voice agents.

    Visit Deepgram Voice Agent API ↗Read the review →Get a quote →from $4.50/hr Standard / Standard to Custom (BYO LLM and TTS)
  2. #2

    ElevenLabs ElevenAgents

    Voice and chat agent platform built on ElevenLabs speech models, deployed to web, mobile and telephony.

  3. #3

    LiveKit Agents

    Open-source framework and hosted realtime infrastructure for building and running production voice agents

  4. Advertisement

    Your agent here. Go Featured and sit above the free listings in this ranking, or buy the slot beside it. Every paid unit and every paid row wears the Advertisement label above — and the verdict, the facts, the exclusions and the quality gate are not for sale.

    Get featured · top of your category →
  5. #4

    Vapi

    Developer platform for building, testing and deploying voice AI agents over phone, SIP and the web.

Side by side

All 4 compared. Scroll the table sideways, the fact column stays pinned →

FeatureDeepgram Voice Agent APIElevenLabs ElevenAgentsLiveKit AgentsVapi
DescriptionOne WebSocket API that runs speech-to-text, LLM orchestration and text-to-speech for real-time voice agents.Voice and chat agent platform built on ElevenLabs speech models, deployed to web, mobile and telephony.Open-source framework and hosted realtime infrastructure for building and running production voice agentsDeveloper platform for building, testing and deploying voice AI agents over phone, SIP and the web.
CategoryVoice agentsAgent platforms, Voice agentsVoice agentsVoice agents
Pricing$4.50/hr Standard / Standard to Custom (BYO LLM and TTS)$0 / mo$0 / month$0.05 / min
TagsAPIEnterpriseSelf-hostedGPTClaudeMulti-agentOpen modelsAutonomousAPIFree tierNo-codeAutonomousEnterpriseOpen modelsGPTClaudeOpen sourceSelf-hostedFree tierAPIGPTClaudeEnterpriseMulti-agentAPIAutonomousMulti-agentEnterpriseGPTClaude

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The digestFree

Which agents actually ship.

What we re-checked, what got added, and one number from the index. Tuesdays.

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This ranking

  • 4 agents ranked
  • 4 of 4 with known API status offer an API
  • paid plans $4.50-$50
  • 2 free or freemium
  • verified August 31, 2026
How we rank →

Advertise here

Reach buyers mid-decision. Put your brand in front of them — advertising slots are open to any advertiser (see the content policy), and listed agents can go Featured at the top of their category. Every paid unit and every paid row is labelled "Advertisement" where it renders.

Featured — top of your category →Advertise on this page →

Advertise here

Reach buyers mid-decision. Put your brand in front of them — advertising slots are open to any advertiser (see the content policy), and listed agents can go Featured at the top of their category. Every paid unit and every paid row is labelled "Advertisement" where it renders.

Featured — top of your category →Advertise on this page →

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