Thinking in pipelines

Engineering deep-dives, product updates, and lessons from building simulation infrastructure for AI systems.

April 12, 2026Architecture

Why we deprecated the Accuracy Engine

Claiming ground-truth dynamic accuracy for RAG pipelines without live testing is intellectually dishonest. Here is why we ripped out our accuracy scoring and replaced it with Configuration Intelligence.

8 min read
March 28, 2026Product

The hidden cost of redundant LLM calls

Most RAG pipelines make 2-3x more LLM calls than necessary. Across the 40+ teams in our private beta, we found that 40% of token spend goes to calls that could be eliminated with proper routing and caching.

6 min read
February 18, 2026Tutorial

Profiling a RAG pipeline from 14s to 2.1s

A step-by-step walkthrough of using PRISM's latency profiler to identify and fix a re-ranker bottleneck that was adding 11 seconds to every request in a production document QA system.

12 min read
February 3, 2026Engineering

Designing PRISM's simulation engine

How we built a deterministic cost calculator and a 10,000-iteration Monte Carlo latency profiler without needing actual API calls. The architecture decisions, trade-offs, and statistical models.

10 min read
January 15, 2026Product

Why existing observability tools fail AI systems

Datadog, Grafana, and New Relic were built for deterministic request-response services. AI pipelines are multi-stage, non-deterministic, and token-metered. Here's why they need purpose-built tooling.

7 min read
January 5, 2026Announcement

Announcing PRISM Private Beta

Today we're opening PRISM to 40 engineering teams. Build your pipeline visually, run statistical traffic distributions, and find cost and latency bottlenecks before they reach your users.

5 min read
Pipeline Intelligence Dispatch

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