Ideogram has a real claim to fame: it's the AI image generator that finally got text rendering right. Logos, posters, signs, t-shirts — Ideogram handles them well. ZSky AI is positioned as the free unlimited general-purpose generator.

This post compares both, with extra focus on the text-rendering question because that's Ideogram's strongest pitch.

Quick Snapshot

ZSky AI Ideogram

Cost (free) Unlimited (with ads) Limited daily generations

Cost (paid) $19–$79/mo $8–$48/mo

Text-in-image Decent Best in class

General image quality Strong Strong

Photorealism Strong Strong

Stylization Strong Strong with brand-poster bias

Negative prompts Yes Yes

API Yes (paid tiers) Yes (paid tiers)

Aspect ratios Many Many

The Text Test

Let me lead with the headline question because most people show up to Ideogram for this.

Prompt: "A vintage diner sign that says 'OPEN 24 HOURS' in neon, photographed at night."

Ideogram renders the text cleanly on the first or second try.…