📰 Dev.to · Daniel R. Foster
Articles from Dev.to · Daniel R. Foster · 10 articles · Updated every 3 hours · View all reads
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⚡ AI Lessons (9097)
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Dev.to · Daniel R. Foster
1w ago
Did We Get Baited? ChatGPT Was Only ‘Full Power’ at Launch
Lately, using ChatGPT feels like talking to a downgraded version of itself. It rambles, makes dumb...

Dev.to · Daniel R. Foster
1w ago
Where LangChain Starts to Bend: The Signals That Tell You It’s Time for LangGraph
Where LangChain Starts to Bend: The Signals That Tell You It’s Time for LangGraph Most...

Dev.to · Daniel R. Foster
1w ago
When LangChain Is Enough: How to Build Useful AI Apps Without Overengineering
When LangChain Is Enough: How to Build Useful AI Apps Without Overengineering Most AI apps...

Dev.to · Daniel R. Foster
1w ago
Stop Confusing LangChain, LangGraph, and Deep Agents: A Practical Playbook for Building Real AI Systems
Stop Confusing LangChain, LangGraph, and Deep Agents: A Practical Playbook for Building Real...

Dev.to · Daniel R. Foster
2w ago
A Small Rollout Plan for Prompt and Model Changes
A practical rollout plan for prompt, model, and retrieval changes using cohorts, canaries, monitoring, and rollback triggers.

Dev.to · Daniel R. Foster
2w ago
The AI Incident Report Template I Actually Use for Wrong Answers and Tool Failures
A lightweight incident report template for production AI systems covering wrong answers, tool failures, latency spikes, and cost regressions.

Dev.to · Daniel R. Foster
1mo ago
How to Reduce OpenAI Bill Without Hurting Quality: A Practical Audit Framework
Most teams try to reduce an OpenAI bill by cutting prompts, lowering max_tokens, or swapping to a...

Dev.to · Daniel R. Foster
1mo ago
We Built a Production-Ready Auto-Reply Chatbot (FastAPI + OpenAI + Hybrid Retrieval)
We Built a Production-Ready Auto-Reply Chatbot (FastAPI + OpenAI + Hybrid Retrieval) Most...

Dev.to · Daniel R. Foster
1mo ago
OpenAI Bill Audit in 45 Minutes: Token Spend Decomposition (Retries, Tool Loops, Context Bloat)
🧠 Key Idea Stop thinking in terms of cost per request. Instead, measure cost per...

Dev.to · Daniel R. Foster
1mo ago
RAG Recall vs Precision: A Practical Diagnostic Guide for Reliable Retrieval
Understand the real difference between recall and precision in RAG systems and learn a practical diagnostic framework to fix retrieval failures effectively.
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