Voice AI gateway vs platform vs framework
A voice AI gateway connects an application to speech and model providers. A voice AI platform adds the managed agent runtime, telephony, tools, observability and billing needed to run complete voice agents. A framework gives developers code-level building blocks that they host and operate. Speko is a voice AI platform.
The useful distinction is ownership. A gateway can simplify access to multiple providers. A platform manages more of the production voice-agent system. A framework gives the engineering team the most implementation control.
Gateway vs voice AI platform vs framework
Three layers can sit between an application and a production voice agent. The difference is how much of the runtime, provider setup and operations your team owns.
| Gateway | Voice AI platform (Speko) | Framework | |
|---|---|---|---|
| What you integrate | An API between your application and model or speech providers | One API for the complete voice-agent stack | A code library; you wire every provider yourself |
| System ownership | You keep the agent runtime and telephony layer | The platform manages the runtime, telephony and provider layer | Whatever you code in |
| Reliability work | Varies by gateway product and your surrounding application | Managed runtime and retry handling | You build and operate it |
| Hosting | Usually managed | Fully managed | Self-hosted |
| Billing | Often a gateway charge plus provider usage | Speko is one invoice at $0.09/min for the full stack | Each provider bills you directly |
| Examples | Provider access and routing products | Speko, Vapi, Retell, Bland | Pipecat |
Choose the layer your team wants to own
- Choose a platform for a complete managed stack. A voice AI platform is the broadest managed layer: agent runtime, speech and language models, telephony, tools, traces and billing.
- Choose a gateway when you already own the runtime. A gateway can simplify provider access while your team keeps responsibility for the surrounding agent application and telephony.
- Choose a framework for code-level control. A framework fits teams that want to assemble, host, scale and monitor the voice pipeline themselves.
- Compare the same billing components. Separate platform, model, telephony, subscription and optional charges before comparing totals.
FAQ
What is a voice AI gateway?
A voice AI gateway connects an application to speech and model providers. A voice AI platform adds the managed agent runtime, telephony, tools, observability and billing needed to run complete voice agents. A framework gives developers code-level building blocks that they host and operate. Speko is a voice AI platform.
How is a voice AI gateway different from a voice AI platform?
A gateway focuses on access between an application and providers. A platform manages more of the production system, including the agent runtime, telephony, tools, observability and billing.
Is Speko a voice AI gateway?
Speko is a voice AI platform. It includes STT, LLM, TTS, telephony and routing behind one API for $0.09 per connected minute.
Where can I compare voice AI platform prices?
See speko.ai/voice-ai-alternatives-pricing-comparison for a dated comparison of Speko, Vapi, Bland AI, Retell AI and Cartesia Line with first-party sources.
How much does Speko cost?
$0.09 per connected minute, all-in: speech-to-text, LLM, text-to-speech, telephony and routing included, with the first 100 minutes free. One invoice, no per-provider reconciliation.