Multi-LLM Any AI Provider

Run agents on Anthropic, OpenAI, Gemini, Groq, or Mistral. Switch providers anytime without rewriting code.

Stop being tied to one AI provider. VoiceInfra lets you connect multiple LLMs, assign them to specific agents or workflows, and switch between them instantly. Whether you need faster responses, lower costs, or better reasoning, you control which model handles each call. No vendor lock-in. No rebuilds. Just better AI, on your terms.

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Key Highlights

What Makes This Feature Special

Discover the powerful capabilities that drive real business results

5 Leading AI Providers, One Platform

Connect Anthropic, OpenAI, Google Gemini, Groq, and Mistral AI in one place. Assign different models to different agents based on your goals. Swap providers anytime without touching your workflows.

Cut Costs Without Cutting Quality

Use fast, affordable models for simple FAQs and routing. Reserve premium reasoning models for complex support or sales calls. Pay only for the intelligence you actually need.

Zero Vendor Lock-In

Change providers, upgrade models, or run A/B tests without rebuilding your agents. Your configurations stay intact while you experiment with new AI capabilities.

Match Model Strength to Call Type

Speed matters for quick inquiries. Reasoning matters for troubleshooting. Let you route calls to the right model automatically based on intent, complexity, or your own rules.

How It Works

Get started with this feature in a few simple steps

Everything you need to transform your voice operations from start to finish

Multi-LLM Provider Dashboard
Step 01

Connect 5 Leading AI Providers

Add Anthropic, OpenAI, Google Gemini, Groq, and Mistral AI to your account. Each provider is configured once and available across all your agents and workflows.

  • Anthropic, OpenAI, Gemini, Groq, Mistral AI
  • Multiple models per provider
  • One-time API key setup
  • Available across all agents
Cost Optimization Dashboard
Step 02

Smart Cost Routing

Not every call needs a premium model. Route simple FAQs and status checks to fast, affordable models. Send complex troubleshooting or sales conversations to advanced reasoning models. Pay only for what you use.

  • Automatic model selection by call type
  • Reduce costs on simple conversations
  • Reserve premium models for complex calls
  • Transparent per-call cost tracking
Performance Routing System
Step 03

Performance-Based Model Matching

Match the model to the job. Use fast inference for quick responses, strong reasoning for detailed support, and conversational models for natural sales interactions. Switch anytime without rebuilding.

  • Speed-optimized models for quick queries
  • Advanced reasoning for complex issues
  • Natural conversation models for sales
  • Change models without rewriting workflows
Provider Flexibility & Fallback
Step 04

Zero Vendor Lock-In

Your agents stay intact while you swap providers. Test new models, switch to better pricing, or add fallback providers. Full flexibility, zero downtime, no rebuilds.

  • Switch providers instantly
  • Automatic fallback on downtime
  • Test models side-by-side
  • Access new AI releases immediately
Endless Possibilities
Scale your voice operations without limits
Benefits

Transform Your Business

Discover the measurable impact and advantages that drive real business growth

Reduce AI costs by routing simple calls to lighter models

Improve response quality on complex conversations with advanced reasoning models

Switch providers instantly without rebuilding agents or workflows

Test multiple models side-by-side to find what works best

Future-proof your setup as new AI models launch

Keep full control over costs, speed, and output quality

Run fallback models automatically if one provider has downtime

Scale efficiently across high-volume and high-stakes calls

Solutions

Industry Solutions

Discover how this feature powers tailored solutions across industries

AI-Powered Contact Center Automation Build Custom Voice AI Agents

Build a Voice AI agent for your contact center. Reduce costs by 40-60% while delivering superior customer experience.

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AI Phone System for Multilingual Call Centers 24/7 Global Customer Support

Build a Voice AI agent for your multilingual call center. Handle support in 30+ languages around the clock.

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AI BPO Automation 24/7 Support, Tech & Back Office

Build a Voice AI agent for your BPO operations. Handle customer support, technical troubleshooting, back-office tasks, and sales campaigns around the clock.

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Customer Success

See How Our Customers Use This

Real businesses getting real results with this feature. Read their stories.

How a Spanish Telecom Operator Runs 500+ Daily Outbound AI Calls on Yeastar with 5 Languages

A CNMC-registered Spanish telecom operator deployed 10 VoiceInfra AI agents on Yeastar PBX, running 500+ outbound calls daily with 30%+ transfer rate across Spanish, Arabic, English, French, and Portuguese

Read Success Story

How a Telecom MSP Replaced Their Customer Service Team with VoiceInfra AI Agents

A US-India telecom MSP replaced their human customer service with VoiceInfra AI agents that handle new leads, troubleshoot issues, report incidents, and transfer callers to the right extension

Read Success Story
Technical Excellence

Technical Specifications

Enterprise-grade infrastructure built for reliability and scale

5 Providers

Anthropic, OpenAI, Gemini, Groq, Mistral

Cost Control

Route by complexity & budget

Auto-Fallback

Provider redundancy built-in

No Lock-In

Switch models anytime

FAQ

Frequently Asked Questions

Find answers to common questions about this feature

You can connect Anthropic, OpenAI, Google Gemini, Groq, and Mistral AI. Each provider supports multiple models, so you can pick the exact version that fits your speed, cost, and quality needs.

No. Your agent configuration, prompts, and workflows stay exactly the same. You simply select a different model from the dropdown. Changes apply to new calls immediately.

Not every call needs a premium reasoning model. You can route simple FAQs, status checks, and basic routing to fast, low-cost models. Complex troubleshooting or sales conversations go to advanced models. You only pay for what you actually use.

Absolutely. Run test calls with different providers side-by-side. Compare transcripts, response quality, and latency directly in the dashboard. Switch your production model whenever you're ready.

You can configure automatic fallback models. If your primary provider is unreachable or returns errors, the system routes to your backup model instantly. Your calls keep running without interruption.

No. Workflows, node logic, and integrations remain unchanged. Only the underlying AI model changes. Your conversation flows, tool calls, and routing rules work exactly as designed.

Yes. As providers release new versions, you can select them immediately from the model picker. No platform updates or migrations required. You always have access to the latest AI capabilities.

Voice quality depends on the text-to-speech and transcription models you choose, not just the LLM. You can mix and match: use Anthropic for reasoning, OpenAI for transcription, and Groq for fast responses. Everything works together seamlessly.

The dashboard shows per-call costs, model usage breakdowns, and monthly spending. You can set alerts, compare provider pricing, and optimize routing to keep your AI budget under control.
Platform Features

Continue Exploring VoiceInfra

Discover more ways VoiceInfra can transform your voice AI experience

Batch Calling Campaigns

Create outbound calling campaigns in 3 simple steps. Define your campaign name and caller ID, choose when to start (immediately or scheduled), and add phone numbers manually or via CSV import. CSV uploads support per-call variables like name and company for personalized AI conversations. Maximum 100 numbers per batch.

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WhatsApp Chat & Messaging

Connect your WhatsApp Business number for automated text messaging. AI agents handle customer inquiries, qualify leads, and provide instant support through chat. Configure webhooks for real-time message delivery, manage multiple numbers, and use rich media to engage customers. Scale your WhatsApp chat support without adding staff.

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SIP Integration & Numbers

Manage your telephony infrastructure and AI routing in one place. Import existing numbers from Twilio or Telnyx, provision new SIP numbers directly, or configure custom SIP trunks for any provider. Set up inbound/outbound routing, secure authentication, transport protocols, and assign AI agents to handle calls automatically. No vendor lock-in, no rip-and-replace.

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Ready to transform your operations?

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