AI harnesses and domain-specific tools
Software products that apply large language models to specific business workflows or industries. Every AI Founder Weekly story on AI harnesses and domain-specific tools, newest first. 3 stories since September 2026.
- Tony Dinh drops a $124 i18n SaaS for 75 cents of tokens
He says the home-built version is more accurate, because it knows which screen the string lands on.
- Josh Pigford lists where Jev runs inside two live apps
The pattern is cheap verification calls wrapped around expensive models, not a model swap.
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- levelsio says YC's batch is harnesses and hardware only
Greg Isenberg looks at the same shift and says the work itself is now the product.
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