CASE STUDIES
Case Studies
The reasoning behind the systems — constraints, architecture, tradeoffs, and the parts that did not work first time.
Next.jsFastAPILangGraph
Nexus AI
Six language models, one interface, zero infrastructure cost
A multi-modal AI platform that routes between six open-weight LLMs, grounds answers in uploaded documents and live web search, and orchestrates it all through a LangGraph node graph — running end to end on free tiers.
6
Models routed
$0
Infra cost / month
Text · Docs · Voice
Input modes