Prompt engineering best practices in 2025
Chain-of-thought, few-shot, role prompting, RAG — a practical guide to getting consistent outputs.
Why I switched from LangChain to building my own AI orchestration layer
Abstraction has a cost. Here's when rolling your own is the right call.
Multi-modal AI: what GPT-4V taught us about vision + language
A deep dive into the capabilities and failure modes of vision-language models.
GPT-4o vs Claude 3.5 Sonnet: which should you use for code generation?
I ran both through 200 coding tasks across Python, TypeScript, and SQL. Here are the results.
The alignment problem explained for non-researchers
Why making AI do what we actually want is harder than it sounds — and why it matters.
The surprising economics of building AI products
Token costs, latency, error rates — the real numbers from a product serving 10k daily active users.
Fine-tuning myths busted: what it actually gets you (and doesn't)
Fine-tuning is not magic. Here's what the research actually shows about when it helps.
AI agents in 2025: what's hype and what's real
I've tested 12 different agent frameworks. Here's my honest take on the state of the ecosystem.
How to evaluate an LLM for your specific use case
Benchmarks lie. Here's how to build your own eval set that actually measures what matters.
Embeddings explained: the math behind semantic search
No PhD required. Here's how vector similarity search actually works.
The case for and against AI replacing junior developers
Both sides of the debate, backed by actual productivity data from engineering teams.
How I built an AI-powered customer support agent for under $50/month
Stack: OpenAI API + Supabase + a bit of Node. It now handles 70% of our tickets automatically.
Llama 3 vs Mistral: open-source model comparison for local deployment
If you're self-hosting, here's what the benchmarks look like on real hardware.
Welcome to b/ai — discuss artificial intelligence with the community
From LLMs to autonomous agents, from research papers to real-world applications. This is your space.

