Jared Zoneraich

How a SaaS Unicorn Uses PromptLayer to Send Millions of Hyper-Personalized Emails at $0.002 Each

Most companies are drowning in data but sending generic outreach that makes you want to hit unsubscribe. This SaaS unicorn with a 100+ person sales team figured out how to use PromptLayer to auto-craft millions of fully-personalized outbound emails at roughly $0.002 each, while keeping both engineers and marketers

Automating 100,000+ Hyper-Personalized Outreach Emails with PromptLayer

A growth marketing startup specializing in e-commerce faced a significant challenge: personalizing cold outreach at massive scale—covering over 30,000 domains and 90,000 contacts—without excessive copywriting costs. The challenge was compounded by fragmented data sources—including website scraping data, SMS messaging frequency, tech stack details, and funding

Swapping out Determinism for Assumption-Guided UX

The real innovation that separates post-ChatGPT UX from pre-ChatGPT UX isn't about chatbots. It's not about intelligence or even about AI thinking through and reasoning. It's about assumptions. In traditional software, users must explicitly provide every piece of information the system needs, but AI-powered

Lawyers in the Loop: How Midpage Uses PromptLayer to Evaluate and Fine-Tune Legal AI Models

For two years, Midpage has used PromptLayer to transform how they build legal AI, putting lawyers next to engineers to own prompt quality. Their approach has scaled from manual tracking in Notion to automated evaluation pipelines that catch regressions before they reach users. * 80 production prompts across 10 AI features

How NoRedInk Used PromptLayer Evals to Deliver 1M+ Trustworthy Student Grades

NoRedInk has been on a mission to unlock every writer's potential since 2012. Today, their adaptive writing platform serves 60% of U.S. school districts and millions of students worldwide. But when they decided to build an AI grading assistant, they faced a challenge that many EdTech companies

2025 State of AI Engineering Survey: Key Insights from the AI Engineer World Fair

The 2025 State of AI Engineering Survey by Barr Yaron from Amplify Partners offers a comprehensive snapshot of how engineering teams are building, managing, and scaling LLM-powered applications in production. With responses from 500 practitioners, the survey reveals critical insights about the rapid pace of model and prompt iteration, the

Production Traffic Is the Key to Prompt Engineering

Let's be honest—you can tinker with prompts in a sandbox all day, but prompt quality plateaus quickly when you're working in isolation. The uncomfortable truth is that only real users surface the edge cases that actually matter. And here's the kicker: the LLM

How Magid built enterprise-grade AI agents for content creation with PromptLayer

Executive Summary * AI at production scale: Magid's Collaborator suite now handles thousands of newsroom stories/day with all agents orchestrated on PromptLayer. * Efficiency gains: Early stations report 2–6 FTEs of capacity unlocked per newsroom; half of their top-read web stories become AI-assisted. * Rapid adoption: 8/10 journalists

AI Sales Engineering: How We Built Hyper-Personalized Email Campaigns at PromptLayer

TL;DR Our AI sales system automates hyper-personalized email campaigns by researching leads, scoring their fit, drafting tailored four-email sequences, and integrating seamlessly with HubSpot. With this approach, we achieve: * ~7% positive reply rate, resulting in way more meetings than we can handle * 50–60% email open rates The key

How a SaaS Unicorn Uses PromptLayer to Send Millions of Hyper-Personalized Emails at $0.002 Each

Automating 100,000+ Hyper-Personalized Outreach Emails with PromptLayer

Swapping out Determinism for Assumption-Guided UX

Lawyers in the Loop: How Midpage Uses PromptLayer to Evaluate and Fine-Tune Legal AI Models

How NoRedInk Used PromptLayer Evals to Deliver 1M+ Trustworthy Student Grades

2025 State of AI Engineering Survey: Key Insights from the AI Engineer World Fair

Production Traffic Is the Key to Prompt Engineering

How Magid built enterprise-grade AI agents for content creation with PromptLayer

AI Sales Engineering: How We Built Hyper-Personalized Email Campaigns at PromptLayer

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