AI Voice Agents for Telephony at the Lowest Price in the Market
Bypass per-minute API fees. Deploy voice AI agents on pay-as-you-go GPU clusters for high-volume outbound campaigns, or configure always-on inbound systems for 24/7 support engineered with sub-600ms response latencies.
<600ms
Response Latency
100+
Concurrent Calls
Up to 20x
Cost Savings at Scale
Engine.execute(HubspotCRM): Lead classification set to HOT. Scheduling call back.
Inbound established. Decoded native audio stream. Querying DB: ClinicSlotAvail.
SIP Trunk handoff. Overlapping audio synthesis initialized.
The Multi-Provider Cost Trap
Why Voice AI Becomes Unsustainable at Scale
Costs Scale Linearly
- •Per-minute pricing ($0.05–$0.15/min) means bills grow in direct proportion to call volume
- •Separate charges for STT, LLM, TTS, and platform fees stack on every minute
- •High-volume campaigns become unprofitable fast
High Response Latency
- •Audio routed sequentially through 3+ separate API services
- •Each API hop adds network round-trip delays
- •Total response time often exceeds 3,000ms
- •Conversations feel unnatural and robotic to the caller
No Runtime Control
- •Locked into third-party provider rate limits and quotas
- •Subject to unannounced model updates and API changes
- •Cannot swap or finetune individual pipeline components
- •External outages take your entire calling operation offline
Custom AI Voice Agents Running on Dedicated GPU Clusters
Instead of chaining separate third-party APIs (STT → LLM → TTS) and paying high per-minute variable markups, we built a fully integrated, end-to-end AI Voice Agent that runs entirely on GPU instances.
By combining finetuned open-source speech recognition, language understanding, and audio synthesis models into a single overlapping streaming pipeline, we eliminate network hops between providers — achieving sub-600ms latency while processing 100+ concurrent calls per GPU node at flat hourly rates.
- • Latency: ~3,000ms response lag
- • Cost: Per-minute fees ($0.05 – $0.15/min)
- • Stability: Subject to API rate limits & outages
- • Latency: Under 600ms response
- • Cost: Flat GPU billing (no per-minute fees)
- • Stability: Self-hosted, zero external API dependencies
Pluggable Voice AI Services
GPU Voice Execution Engine
Outbound PerformanceUtilizes GPU based AI Services optimize for handling high scale outbound calls while delievering low latency and high quality responses.
- • ~600ms response latency
- • 100+ concurrent calls per GPU Node
- • Pay for GPU, not per call minute
Speech Intelligence Engine
Inbound UptimeTailored for continuous 24/7 inbound availability. Supports native speech-to-speech models and standard pipelines depending on configuration.
- • 24/7 inbound availability
- • No GPU instance required
- • High quality Multilingual support
API-Based Voice Engine
Bring Your Own AILightweight runtime mapping to external providers (Deepgram, OpenAI, ElevenLabs). Plug in your own keys with zero local hardware requirements.
- • Flexible model selection per layer
- • No active GPU allocation needed
- • Designed for lightweight tasks
Two Core Use Cases
High-Volume Outbound Campaigns
GPU-Powered ExecutionDeploy hundreds of simultaneous dialing channels powered by GPU voice agents. Built for structured outbound campaign files with automated retries and real-time lead updates.
- Mass Outbound Dialing — Run 100+ parallel calls per GPU node for lead gen, sales, and collections
- Smart Retry Logic — Auto-reschedule busy lines, voicemails, and callback requests on configurable intervals
- CRM Integration — Sync call outcomes, recordings, and transcripts to HubSpot/Salesforce in real-time
- Campaign Analytics — Track conversion rates, call dispositions, and agent performance live
- Recruitment & Tele-outreach — Automate candidate screening, appointment setting, and survey campaigns
24/7 Inbound AI Receptionist
Always-On AvailabilityHandle every incoming call automatically. AI voice agents answer, book appointments, route calls, and resolve inquiries around the clock — no missed calls, no hold queues.
- Appointment Booking — Query live calendar availability and book slots during the call in real-time
- Intelligent Call Routing — Transfer to human operators based on caller intent or urgency level
- Customer Support — Handle FAQs, order status, account queries, and ticket creation automatically
- Healthcare & Clinics — Manage patient intake, prescription refill requests, and insurance verification
- After-Hours Coverage — Never miss a call — AI handles overflow and off-hours enquiries seamlessly
See How Much You Save
Adjust the sliders to compare calling costs across platforms
Valyrian Voice
GPU-Based AI ServicesCost Breakdown
• GPU Time: 12.50 hours
• Compute: (GPU hrs × $2.29) = $28.63
• Telephony: (75,000 min × $0.005) = $375.00
* Billed separately: Flat $99/mo Platform Fee
VAPI
Per-Minute API PricingCost Breakdown
• Platform fee: $0.05/min
• Telephony: $0.00/min
• STT (Deepgram): $0.01/min
• LLM (GPT-4o mini): $0.004/min
• TTS (ElevenLabs): $0.036/min
Bolna.ai
Volume-Based PricingCost Breakdown
• Platform fee: $0.02/min
• Telephony + STT/LLM/TTS: $0.03/min
Why Other Platforms Cost More
API-based voice platforms charge separate per-minute markups for speech recognition, language processing, and voice synthesis. These stacked fees grow linearly with every call minute — making costs unpredictable at scale.
How Valyrian Voice Cuts Costs
By running the full AI pipeline on dedicated GPU nodes, we process up to 100+ concurrent calls for a flat hourly rate. More calls on the same GPU = lower cost per call. No per-minute fees, no hidden markups.
Ready to Scale Your Calling Operations?
Launch high-volume outbound campaigns or deploy 24/7 inbound AI receptionists — at a fraction of what other platforms charge.