Use local Qwen 3.6 to write JSON prompts for Ideogram 4

Melvin Vivas · X post · 2026-06-20 · Open on X

Topics: Prompt & Context Engineering, AI Dev Tools & Productivity · Level: intermediate

Summary

The creator says Qwen 3.6, running locally for free, can replace ChatGPT or Claude for turning ideas into structured JSON prompts for the Ideogram 4 image model.

Key points

• A local open-weight LLM (Qwen 3.6) can turn simple prompts into JSON prompts for image models.
• This replaces paid cloud assistants like ChatGPT or Claude for this task.
• Running it locally makes it free and private.

Resources mentioned

• Qwen 3.6 · tool · qwen.ai · free
  An open-weight LLM family from Alibaba's Qwen team that can run locally.
• Ideogram 4 · tool · ideogram.ai · free
  Ideogram's image generation model, which works well with structured JSON prompts.
  Also in: Free local Ideogram 4 pipeline: ComfyUI + LM Studio + Qwen 3.6 on RTX 3090 (Melvin Vivas on X · notes)
• ChatGPT · tool · chatgpt.com · free · recommended by both Bashiri Smith & Melvin Vivas
  OpenAI's AI assistant (web, desktop and mobile apps), used for chat, coding, writing and image generation.
  Also in: Sign in with ChatGPT: Setting Usage Limits for Each App (Melvin Vivas on X · notes), Dots Demo: A Voice AI Agent Handling Travel Booking and Feedback Triage (Melvin Vivas on X · notes), ChatGPT Can Commit Code Directly to Your GitHub Repo (Melvin Vivas on X · notes), OpenAI Dots: Agents Inside ChatGPT That Debug, Fix, and Open PRs (Melvin Vivas on X · notes) and 23 more
• Claude Opus 5.5 · tool · claude.ai · paid · open in a browser to verify · recommended by both Bashiri Smith & Melvin Vivas
  Anthropic's AI assistant, used throughout the guide to tailor resumes, add live roles to the tracker, match connections to target companies and find hiring managers.
  Also in: Generating a Repo Promo Video with a Claude Skill on Sonnet 5.5 vs Opus 5.5 (Melvin Vivas on X · notes), Comparing Coding Models on the Same Task in Devin iOS (Melvin Vivas on X · notes), Customizing Your Coding Setup with Pi Coding Agent Extensions (Melvin Vivas on X · notes), AI Engineer Roadmap Overview: From ML Foundations to RAG, Agents & Ops (Bashiri Smith on Facebook · notes) and 53 more

Try this

• Try a local Qwen 3.6 model to generate JSON prompts for Ideogram 4 instead of using a cloud assistant.
• A local prompt-expansion tool that turns short ideas into JSON image prompts using Qwen 3.6.