Build Stories
8 min read
RAG vs Fine-Tuning: When to Use Which (And When Neither)
Two of the most common LLM customisation approaches — and most teams choose the wrong one. A decision framework based on 15+ real implementations.
February 2026Read
The 42 Works BlogAI Implementation
AI Implementation
Insights
Practical AI implementation insights from a team that ships. Real lessons from B2B, HealthTech, FinTech, and Consumer industries. Builder-to-builder, no hype.
Implementation
6 min read
March 2026Why 80% of AI Pilots Never Make It to Production
Most AI pilot programmes stall before they ship. After implementing AI across dozens of businesses, we've identified the 5 root causes — and how to avoid them from day one.
Read articleStrategy
5 min read
7 Red Flags When Hiring an AI Consulting Firm
Not all AI consultants are equal. These are the signs that tell you an agency is selling slides, not building solutions — before you sign a contract.
January 2026Read
Tools
7 min read
Cutting LLM Costs by 60% Without Losing Quality
Token costs compound fast in production. 8 techniques we use across every AI product build to keep inference costs under control.
January 2026Read
Implementation
6 min read
How AI Is Reshaping Restaurant Marketing in 2026
Direct ordering, AI SEO, review automation, influencer management — restaurants implementing these 4 AI systems are pulling ahead. Here's what's working.
December 2025Read
Build Stories
9 min read
Prompt Engineering for Production: What Actually Matters
Most prompt engineering advice is for demos. Production is different. What we've learned building LLM systems handling thousands of requests per day.
November 2025Read
The 42 Works blog is written by the 42 Works team — Toronto, Canada AI implementation specialists with 15+ years of SaaS experience. Content covers AI consulting, AI product development, and team training. Last updated: March 2026.
Ready to Implement AI That Ships?
Stop reading about AI and start building it. Book a free 30-minute strategy call with our team.