ยท Killed
GPT-4 makes thin wrappers fragile
Threat
Products built as light prompt wrappers lose differentiation when a stronger base model improves every generic workflow.
What changed
Better general reasoning lets one model cover many product categories that previously looked separate.
This historical wave explains why model improvements can erase whole classes of thin apps without any single platform integration.
Categories hit
- Prompt wrapper SaaS: If the product is mostly a prompt preset, better general models can absorb the value quickly.
Brands and services hit
- AI prompt marketplaces (promptbase.com)
- Writesonic (writesonic.com)