Telnyx Voice AI alternatives
The closest Telnyx Voice AI alternatives start from $5/mo (Cartesia). 56 tools share a category (Voice AI & Dialers) with Telnyx Voice AI; 38 publish a starting price and 8 list a free plan. The full list below is alphabetical; prices come from each vendor's site. See Telnyx Voice AI pricing for the tool itself.
Closest Telnyx Voice AI alternatives
Tools that do the same job, from our roundup Best ElevenLabs Agents alternatives for AI voice agents. Prices are from each vendor's own pricing page on the date shown.
| Tool | Price (vendor-published) | Checked |
|---|---|---|
| Cartesia | Free $0 (20K credits/mo, $1 of prepaid agent usage); Pro $5/mo (100K credits); Startup $49/mo (1.25M credits); Scale $299/mo (8M credits); Enterprise custom; voice agent calls $0.03/min plus $0.014/min telephony with a Cartesia-provided number; LLM usage during calls billed separately | |
| Ultravox | Pay as you go: $0/mo with the first 30 minutes free, then $0.05/min, up to 5 concurrent calls; Pro $100/mo (no hard concurrency caps) at $0.05/min; SIP $0.0048/min; Enterprise custom | |
| Smallest.ai Atoms | Pay as you go with $10 in free credits: voice agents from $0.05/min, typically $0.09 to $0.21/min depending on the models chosen (hosting $0.01/min flat, speech-to-text about $0.009/min, LLM at cost, text-to-speech about $0.09/min, or speech-to-speech); phone numbers $10/mo; HIPAA zero data retention add-on $1,000/mo; enterprise custom | |
| Tabbly | Pay as you go $0.05/min worldwide, billed by the second, no monthly minimum; enterprise committed volume $0.04/min; free account, no card | |
| Bolna | Pay as you go from $0.06/min, with speech-to-text, LLM and text-to-speech included when using the bundled models (telephony and platform fee added per minute); credit top-ups from $10 to $5,000, larger top-ups bring the rate to about 4.5¢/min; one-time Pilot packs $300 for 6,500 min or $500 for 12,000 min; $5 free credits for new accounts | |
| Retell AI | Pay as you go, $0.07–$0.31/min; $10 free credits | |
| Twilio Voice (ConversationRelay) | Pay as you go (US, as of Aug 2026): ConversationRelay voice AI orchestration $0.07/min on top of call minutes (local outbound $0.0140/min, inbound $0.0085/min; browser/app $0.0040/min); local numbers $1.15/mo, toll-free $2.15/mo; volume and committed-use discounts; free trial with $15 credit, no card | |
| Deepgram Voice Agent API | Voice Agent API, pay as you go: Standard $0.075/min ($0.068 on Growth), Standard with your own TTS $0.065/min ($0.051), your own LLM $0.059/min, your own LLM and TTS $0.050/min ($0.041), Advanced $0.163/min ($0.146); $200 free credit; Growth plans from $4K/year; Enterprise via sales | |
| AssemblyAI Voice Agent API | Voice Agent API $4.50/hr (about $0.075/min) all-in: real-time speech-to-text, turn detection, its Voice Agent LLM, text-to-speech and hosting, billed per second; speech-to-text from $0.15/hr; free tier (no card) includes up to 185 hours of pre-recorded and 333 hours of streaming transcription; volume pricing via sales | |
| Dasha | Growth from $0.08/min, all-inclusive except VoIP and LLM tokens, billed per second with no charge for unconnected call attempts; volume and committed-usage discounts via sales; 1,000 free minutes, no card | |
| Bland AI | $0.14/min with $0 platform fee; $0.12/min with $299/mo platform fee | |
| Vapi | Usage-based per minute, with transcriber, model and voice costs listed separately; $5 free credits; optional support packages: Core $29/mo, Pro $999/mo minimum |
Head-to-head with Telnyx Voice AI
- Telnyx Voice AI vs Vapi
- Telnyx Voice AI vs Retell AI
- Twilio Voice (ConversationRelay) vs Telnyx Voice AI
Free plans: AssemblyAI Voice Agent API, Brilo AI, Cartesia, ElevenLabs Agents, Famulor, Google Voice, LiveKit, Phonely
All 56 tools in the same category
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Cloud contact center and power dialer with unlimited calling and SMS, CRM integrations and an AI voice agent.
Voice AI & DialersSpeech-to-text API provider with an all-inclusive Voice Agent API for building AI phone agents.
Voice AI & DialersAI voice agents for inbound and outbound call campaigns, with agency and white-label plans.
Voice AI & DialersMulti-line predictive and power dialer, popular with real estate and outbound call teams, with voicemail drop and caller-ID tools.
Voice AI & DialersVoice AI agent platform for building outbound and inbound calling agents, priced per minute.
Voice AI & DialersAI phone agents that answer and make business calls, book appointments and run CSV call campaigns.
Voice AI & DialersInbound AI SDRCloud phone system with power and parallel dialers, call recording, CRM integrations and an AI voice agent add-on.
Voice AI & DialersCall tracking and attribution with an AI voice assistant that answers and qualifies inbound calls.
Voice AI & DialersInbound AI SDRLow-latency text-to-speech (Sonic) and speech-to-text models plus a platform for building voice agents.
Voice AI & DialersAI Agent BuildersCloud phone system for sales and support teams with power and parallel dialers and AI voice agents.
Voice AI & DialersVoice AI agent platform for high-volume outbound and inbound calls, billed per second.
Voice AI & DialersSpeech-to-text, text-to-speech and an all-in-one Voice Agent API for building AI phone agents.
Voice AI & DialersAI Agent BuildersAI-powered business phone, sales dialer with real-time AI coaching, and contact center.
Voice AI & DialersAI receptionist with inbound call answering plus outbound voice, SMS and website chat add-ons.
Voice AI & DialersInbound AI SDRConversational voice agent platform from ElevenLabs, with plan-based call minutes.
Voice AI & DialersAI Agent BuildersAI phone agent platform for inbound and outbound calls, with white-label for agencies.
Voice AI & DialersAI phone agent for small businesses that answers calls, books work and captures leads.
Voice AI & DialersInbound AI SDRBusiness phone numbers for calling and texting from phone, web and Google Workspace.
Voice AI & DialersVirtual business phone number with calling, texting and voicemail on your existing mobile.
Voice AI & DialersCalling and texting platform with CRM automation.
Voice AI & DialersSales EngagementAI parallel and power dialer platform for outbound sales teams.
Voice AI & DialersOpen-source framework and cloud for building, deploying and scaling real-time voice and video AI agents.
Voice AI & DialersAI Agent BuildersCloud phone system and call center with auto and predictive dialers.
Voice AI & DialersPower and triple-line dialer with a lead manager CRM and lead data, including real estate prospecting lists.
Voice AI & DialersAI receptionist (Frontdesk) that answers calls and chats, books appointments and logs leads in a built-in CRM.
Voice AI & DialersInbound AI SDRLightweight cold-calling CRM and power dialer for working through lead lists.
Voice AI & DialersCloud phone system and customer-experience platform with calling, messaging, contact center and an AI receptionist.
Voice AI & DialersAI sales engagement with parallel dialing and coaching.
Sales EngagementVoice AI & DialersNo-code AI voice agents for inbound and outbound calls, with workflows, calendar booking and an agency white-label plan.
Voice AI & DialersInbound AI SDRCloud business phone service with unlimited minutes for small businesses.
Voice AI & DialersAI phone agent that answers calls, qualifies leads, books appointments and transfers to humans.
Voice AI & DialersInbound AI SDRBusiness phone system for calling and texting with shared numbers, AI call summaries and HubSpot and Salesforce integrations.
Voice AI & DialersCloud predictive dialer and call center software for high-volume outbound teams.
Voice AI & DialersAI phone agents plus SMS, chat and email agents with a journey builder and telephony for consumer brands.
Voice AI & DialersCloud phone system with calling, SMS, meetings and an AI receptionist.
Voice AI & DialersCloud phone system with power dialer, AI call transcription and summaries, and CRM integrations.
Voice AI & DialersAI answering service for small businesses that takes messages, books appointments and transfers calls.
Voice AI & DialersInbound AI SDRAI parallel dialer with an AI assistant that builds lists, runs email and LinkedIn sequences and updates the CRM.
Voice AI & DialersSales EngagementDone-for-you AI phone agent that answers calls, books appointments and takes messages.
Voice AI & DialersInbound AI SDRVoice AI agent platform with its own speech models, priced per minute by model stack.
Voice AI & DialersNo-code AI voice agent builder billed per second at a flat per-minute rate.
Voice AI & DialersCloud contact center with voice, digital channels, AI agents and workforce management.
Voice AI & DialersVoice AI for inbound conversion with SMS, email and workflows.
Voice AI & DialersInbound AI SDREmbedded power and parallel sales dialer with live coaching.
Voice AI & DialersAI receptionist for small businesses and a white-label voice AI platform for agencies.
Voice AI & DialersInbound AI SDRCloud communications API; ConversationRelay connects your own LLM to live calls with speech handled by Twilio.
Voice AI & DialersSpeech-native voice AI model and platform for real-time voice agents, priced per minute.
Voice AI & DialersAI receptionist that answers calls 24/7, sends call summaries and connects to calendars and CRMs.
Voice AI & DialersInbound AI SDRBusiness phone system (VBC) with mobile and desktop apps, SMS, meetings and call recording.
Voice AI & DialersQuick answers
What does Telnyx Voice AI cost?
We have no USD entry price for Telnyx Voice AI. Voice engine $0.05/min (orchestration, speech-to-text and text-to-speech); LLM tokens billed separately (about $0.006/min on Telnyx-hosted models per its estimate) and telephony at carrier cost from $0.0032/min; Telnyx estimates a production agent at about $0.06/min; volume rates via sales; free sign-up (checked 2026-11-01).
What are the cheapest Telnyx Voice AI alternatives?
By lowest listed entry price among the closest Telnyx Voice AI alternatives: Cartesia from $5/mo, OpenMic.ai from $29/mo, Famulor from $29/mo. Billing basis (per user, monthly or annual) differs by vendor; each tool page shows the details and source.
Which Telnyx Voice AI alternatives have a free plan?
8 list a free plan on their pricing page: AssemblyAI Voice Agent API, Brilo AI, Cartesia, ElevenLabs Agents, Famulor, Google Voice, LiveKit and Phonely.