Blog

From the team.

Our thinking on AI infrastructure, latency, and building the Inference Delivery Network.

Running Inference Across Multiple Colos Without a Central Brain
EngineeringApril 15, 2026·10 min read

Running Inference Across Multiple Colos Without a Central Brain

When we expanded from one node to three, we had to answer a question that dictates most of the architecture: how does a request end up on the right GPU without creating a single point of failure? Here's how we solved it.

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Building a Regionally-Aware Model Router
EngineeringMarch 10, 2026·9 min read

Building a Regionally-Aware Model Router

Most inference platforms make the same architectural mistake: every request transits a central load balancer before reaching a GPU. For voice agents operating on human conversational timing, that routing hop can consume 30-60% of your entire latency budget.

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Anatomy of a Sub-400ms STT→LLM→TTS Pipeline
EngineeringFebruary 23, 2026·8 min read

Anatomy of a Sub-400ms STT→LLM→TTS Pipeline

At the one-second mark, users begin to disengage. Human speech has a rhythm — and voice AI that can't match it is broken, regardless of how many parameters its model has. Here's exactly how we built our 364ms pipeline.

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Why Voice Agents Need a Different Inference Stack
EngineeringFebruary 9, 2026·8 min read

Why Voice Agents Need a Different Inference Stack

Chances are, your intelligent voice AI agent gives relevant responses. But every exchange has this half-second pause that makes the whole thing feel broken. That pause killed it. Here's why centralized inference fails voice — and what the right stack looks like.

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Latency Will Decide Who Wins in Real-Time AI
InfrastructureFebruary 6, 2026·6 min read

Latency Will Decide Who Wins in Real-Time AI

For the last decade, the internet trained us to expect immediacy. Now AI is the next major shift — and the infrastructure patterns that made the web feel instant weren't designed for what AI demands.

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The BetaKit Podcast: Real-Time AI Is Coming. But First, We Have to Solve Latency.
CompanyFebruary 3, 2026·Podcast · 45 min

The BetaKit Podcast: Real-Time AI Is Coming. But First, We Have to Solve Latency.

PolarGrid President Rade Kovacevic joined The BetaKit Podcast to talk about the challenge at the heart of generative AI: latency. From voice to video, the tech still stumbles — and it's not just about better models.

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The AI Development Workflow That Changed How We Build Software
CompanyFebruary 3, 2026·7 min read

The AI Development Workflow That Changed How We Build Software

We shipped our first production management console in just over a week. No design team. A single engineer. Here's the exact workflow that made it possible — and why we think it changes everything about software development.

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