Which credential is actually worth your time? Exam costs, prep time, validity, and what employers ask for — plus the tools that help you use them. This section was formerly SkillStack.
The AI certifications actually worth your time in 2026: IBM AI Engineering, DeepLearning.AI, AWS AI Practitioner ($100), and Google Generative AI Leader ($99) — with exam costs, prep time, validity, and the 2026 retirements to avoid.
The five data engineering certifications worth your time in 2026: AWS DEA-C01 ($150), GCP Professional Data Engineer ($200), Microsoft DP-700 ($165), SnowPro Core ($175), and Databricks ($200) — with exam costs, prep time, validity, and which one employers actually ask for.
No career-tool guides are live yet. Comparators, checklists, and job-search kits are being built — the certification guides above are the closest starting point for now, and anything new will be announced on the home page when it's ready.