# Inference Latency: What It Measures & Why It Varies

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-08-06T00:00:00.000Z  
> **Category:** PRODUCT_LAUNCH  
> **Impact Score:** 90/100  
> **Primary Source:** [Redis Blog](https://redis.io/blog/inference-latency-what-it-measures-why-it-changes)  
> **Canonical Citation:** [https://spidits.com/timeline/inference-latency-what-it-measures-why-it-varies](https://spidits.com/timeline/inference-latency-what-it-measures-why-it-varies)

## Executive Summary
Ask an engineer what their LLM app's inference latency is, and the honest answer is "which one?" The time to the first visible token, the time to the finished response, and the time an agent spends across a chain of calls are three different numbers.

## Referenced Coverage & Sources
- **[Redis Blog](https://redis.io/blog/inference-latency-what-it-measures-why-it-changes)**: Inference latency: what it measures & why it varies — _Ask an engineer what their LLM app's inference latency is, and the honest answer is "which one?" The time to the first visible token, the time to the finished response, and the time an agent spends across a chain of calls are three different numbers. ..._

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*Synthesized by SPIDITS AI Market Intelligence Desk. Track live AI news, model releases, and funding: [https://spidits.com](https://spidits.com)*