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11 articles

📰 Dev.to · Daniel R. Foster

11 articles · Updated every 3 hours · View all reads

All Articles 85,873Blog Posts 107,335Tech Tutorials 21,159Research Papers 18,073News 14,227 ⚡ AI Lessons
Building AI Agents That Actually Execute Workflows, Not Just Answer Questions
Dev.to · Daniel R. Foster 1mo ago
Building AI Agents That Actually Execute Workflows, Not Just Answer Questions
Most AI agents can answer questions. The harder problem is building agents that safely execute real business workflows across tools, rules, approvals, and audit
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Did We Get Baited? ChatGPT Was Only ‘Full Power’ at Launch
Dev.to · Daniel R. Foster 2mo 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...
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Where LangChain Starts to Bend: The Signals That Tell You It’s Time for LangGraph
Dev.to · Daniel R. Foster 2mo 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...
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When LangChain Is Enough: How to Build Useful AI Apps Without Overengineering
Dev.to · Daniel R. Foster 2mo 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...
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Stop Confusing LangChain, LangGraph, and Deep Agents: A Practical Playbook for Building Real AI Systems
Dev.to · Daniel R. Foster 2mo 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...
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A Small Rollout Plan for Prompt and Model Changes
Dev.to · Daniel R. Foster 2mo 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.
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The AI Incident Report Template I Actually Use for Wrong Answers and Tool Failures
Dev.to · Daniel R. Foster 2mo 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.
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How to Reduce OpenAI Bill Without Hurting Quality: A Practical Audit Framework
Dev.to · Daniel R. Foster 3mo 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...
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We Built a Production-Ready Auto-Reply Chatbot (FastAPI + OpenAI + Hybrid Retrieval)
Dev.to · Daniel R. Foster 3mo 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...
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OpenAI Bill Audit in 45 Minutes: Token Spend Decomposition (Retries, Tool Loops, Context Bloat)
Dev.to · Daniel R. Foster 3mo 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...
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RAG Recall vs Precision: A Practical Diagnostic Guide for Reliable Retrieval
Dev.to · Daniel R. Foster 3mo 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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