---
title: "AI development articles - The Zeroic Journal"
description: "Field-tested writing on AI product architecture, LLM pipelines, RAG, agents, evals, and model choice - by senior engineers at Zeroic."
url: https://zeroic.in/blog/topic/ai-development
---

[The Zeroic Journal](https://zeroic.in/blog)

# The AI desk

AI development · 4 pieces

How we build AI products that hold up in production: text-to-SQL, vector search, voice agents and the architecture around them. Written from systems we run - FormulaBot / Better Analyst at 1.5M+ users, and voice, chat and data agents live with paying customers.

[ AI development

## [GPT vs Claude vs Llama in production: choose by task type](https://zeroic.in/blog/gpt-vs-claude-vs-llama-production)

Four kinds of LLM work, the model tier that wins each one, and the volume at which running open weights yourself starts to make sense.

Prashant Abbi Sep 29, 2026 · 8 min read

[ AI development

## [AI voice agent architecture: the four parts that decide if it ships](https://zeroic.in/blog/ai-voice-agent-architecture)

Where each layer of a production voice agent breaks on live phone calls, and the order we'd build them in, from voice agents we run in production.

Prashant Abbi Sep 27, 2026 · 10 min read

[ AI development

## [pgvector vs Pinecone: when Postgres stops being enough](https://zeroic.in/blog/pgvector-vs-pinecone)

The four signals that tell you pgvector has hit its limit, and the fixes to try inside Postgres before you pay for a second database.

Prashant Abbi Sep 23, 2026 · 8 min read

[ AI development

## [English-to-SQL at a million users: what breaks, in order](https://zeroic.in/blog/english-to-sql-at-1m-users)

The five things that broke as FormulaBot's English-to-SQL pipeline grew to 1.5M+ users, and the order we'd build the fixes in.

Prashant Abbi Sep 19, 2026 · 9 min read

## Hear from us within 24 hours.

**Prashant and Khushi** Partners @ Zeroic

Stuck on something we’ve written about? The people who wrote these are the people who’d build it. Tell us what you’re working on - one of us replies within 24 hours.

Rather talk it through? [Book a 30-minute call](https://zeroic.in/book)

Pages [Services](https://zeroic.in/services) [Work](https://zeroic.in/work) [Blog](https://zeroic.in/blog) [About](https://zeroic.in/about) [Book a call](https://zeroic.in/book)

Services [Audits](https://zeroic.in/services/ai-audit) [MVP Sprint](https://zeroic.in/services/mvp-development) [Retainer](https://zeroic.in/services/senior-developers) [Code Rescue](https://zeroic.in/services/code-rescue) [Bubble to code](https://zeroic.in/bubble-to-code) [AI development](https://zeroic.in/ai-development-company)

Contact [Email](mailto:zeroic.in@gmail.com) [WhatsApp](https://wa.me/919873927225) [LinkedIn](https://www.linkedin.com/company/zeroic/) [X (Twitter)](https://x.com/PrashantAbbi) [Guide for AI](https://zeroic.in/llms.txt)

© 2026 Zeroic [Privacy](https://zeroic.in/privacy) [Terms](https://zeroic.in/terms)

Built in India · Shipping globally

SINCE