Claude Sonnet 5.5 (Claude Code, effort high) built 5 SaaS apps in React, Vue, Svelte, Angular and SolidJS from one shared prompt.
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updated Sep 28, 2026
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Claude Sonnet 5.5 builds 5 SaaS apps in 5 JavaScript frameworks
Claude Sonnet 5.5 (Claude Code, effort high) built five SaaS apps in React, Vue, Svelte, Angular and SolidJS from one shared prompt.
The model's code is published unedited; only node_modules and build output are left out.
Video: https://www.youtube.com/watch?v=ORUyWNgvboo
Projects
| Folder | Framework | Product | Round score | Build time |
|---|---|---|---|---|
pumpmark-ledger | React 19.3 | Fuel and fill-up tracking for small EU delivery and trade fleets | 49/50 | 4.2 min |
touchpad-tempo | Vue 3.5 | Race-time and split tracking for club swim coaches | 49/50 | 4.5 min |
shortlist-salon | Svelte 5 | Reading pace and countdown tracker for book clubs working through a prize shortlist | 48/50 | 4.3 min |
delay-dossier | Angular 22 | Flight disruption claim case files for frequent flyers and small travel agents | 49/50 | 5.9 min |
rowguard-almanac | SolidJS 1.9 | Spotted lanternfly watch for vineyard and orchard managers | 49/50 | 4.6 min |
Final total: Claude Sonnet 5.5 244/250.
For comparison: Claude Sonnet 5.5 scored 244/250 and GPT-6 Sol scored 206/250.
Prompts
The shared contract and the five site briefs the model received are in prompts/.
How to run
pumpmark-ledger:cd pumpmark-ledger,npm install, thennpm run devtouchpad-tempo:cd touchpad-tempo,npm install, thennpm run devshortlist-salon:cd shortlist-salon,npm install, thennpm run devdelay-dossier:cd delay-dossier,npm install, thennpm startrowguard-almanac:cd rowguard-almanac,npm install, thennpm run dev
The other model
GPT-6 Sol built the same five apps: https://github.com/marvijo-code/gpt-6-sol-saas-js-frameworks
Similar repos
Languages
TypeScript
54.0%
CSS
24.3%
Vue
12.0%
Svelte
9.0%
Claude Sonnet 5.5 (Claude Code, effort high) built 5 SaaS apps in React, Vue, Svelte, Angular and SolidJS from one shared prompt.
TypeScript
0
1 commits
updated Sep 28, 2026
See what people are saying
README
Claude Sonnet 5.5 builds 5 SaaS apps in 5 JavaScript frameworks
Claude Sonnet 5.5 (Claude Code, effort high) built five SaaS apps in React, Vue, Svelte, Angular and SolidJS from one shared prompt.
The model's code is published unedited; only node_modules and build output are left out.
Video: https://www.youtube.com/watch?v=ORUyWNgvboo
Projects
| Folder | Framework | Product | Round score | Build time |
|---|---|---|---|---|
pumpmark-ledger | React 19.3 | Fuel and fill-up tracking for small EU delivery and trade fleets | 49/50 | 4.2 min |
touchpad-tempo | Vue 3.5 | Race-time and split tracking for club swim coaches | 49/50 | 4.5 min |
shortlist-salon | Svelte 5 | Reading pace and countdown tracker for book clubs working through a prize shortlist | 48/50 | 4.3 min |
delay-dossier | Angular 22 | Flight disruption claim case files for frequent flyers and small travel agents | 49/50 | 5.9 min |
rowguard-almanac | SolidJS 1.9 | Spotted lanternfly watch for vineyard and orchard managers | 49/50 | 4.6 min |
Final total: Claude Sonnet 5.5 244/250.
For comparison: Claude Sonnet 5.5 scored 244/250 and GPT-6 Sol scored 206/250.
Prompts
The shared contract and the five site briefs the model received are in prompts/.
How to run
pumpmark-ledger:cd pumpmark-ledger,npm install, thennpm run devtouchpad-tempo:cd touchpad-tempo,npm install, thennpm run devshortlist-salon:cd shortlist-salon,npm install, thennpm run devdelay-dossier:cd delay-dossier,npm install, thennpm startrowguard-almanac:cd rowguard-almanac,npm install, thennpm run dev
The other model
GPT-6 Sol built the same five apps: https://github.com/marvijo-code/gpt-6-sol-saas-js-frameworks
Similar repos
Languages
TypeScript
54.0%
CSS
24.3%
Vue
12.0%
Svelte
9.0%