---
title: "Jen Zawaski (@itcodegirl) | Hashnode"
description: "Jen Zawaski (@itcodegirl) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@itcodegirl"
---

@itcodegirl

# Jen Zawaski

@itcodegirl · Chicago, USA · Joined October 2026

## Comments

[Anthropic is outdated in the article. Anthropic now has JSON outputs and strict tool use that guarantee schema-compliant responses through constrained decoding. The parameter moved from output\_format to output\_config.format, and the old one is deprecated.](https://hashnode.com/posts/your-ai-feature-is-lying-to-you-stop-using-json-mode-and-use-schema-constrained-outputs/6ac1044a4835cefdf58bcc41/comment/6ac1e487851d3053dfa946e1)

Comment · Article · Oct 4 · 1 · [Your AI Feature Is Lying to You: Stop Using JSON Mode and Use Schema-Constrained Outputs](https://hashnode.com/posts/your-ai-feature-is-lying-to-you-stop-using-json-mode-and-use-schema-constrained-outputs/6ac1044a4835cefdf58bcc41)