📰 Dev.to · Chen Zhang

Articles from Dev.to · Chen Zhang · 4 articles · Updated every 3 hours · View all reads

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Vector Graph RAG: Multi-Hop RAG Without a Graph Database

Dev.to · Chen Zhang 1w ago

Vector Graph RAG: Multi-Hop RAG Without a Graph Database

Standard RAG falls apart when the answer isn't in one chunk. Ask "What side effects should I watch...

I Built an AI Agent That Watches the Market While I Sleep

Dev.to · Chen Zhang 1w ago

I Built an AI Agent That Watches the Market While I Sleep

I have a full-time job and no time to watch the stock market all day. But I still trade — mostly US...

Claude Code's Memory: 4 Layers of Complexity, Still Just Grep and a 200-Line Cap

Dev.to · Chen Zhang 1w ago

Claude Code's Memory: 4 Layers of Complexity, Still Just Grep and a 200-Line Cap

Claude Code's memory system? Grep search, a 200-line index cap, and zero cross-agent sharing. After...

Which Embedding Model Should You Actually Use in 2026? I Benchmarked 10 Models to Find Out

Dev.to · Chen Zhang 3w ago

Which Embedding Model Should You Actually Use in 2026? I Benchmarked 10 Models to Find Out

I tested 10 embedding models (Gemini, Qwen, Voyage, OpenAI, Jina, and more) across 4 real-world tasks that public benchmarks miss. Here's what I found.