Relative sizing (e.g., Fibonacci) based on complexity rather than hours. Active Agile Teams
Budgeting 3–5% of infra for trace storage (e.g., Langfuse). Model Drift: Recalibration time for evolving AI APIs. Software Estimation Best Practices, Tools & Tec...
Invest 5–10% of the total project budget in a 2–4 week discovery period to remove the single largest source of cost overruns. Relative sizing (e
Tools in 2026 are prioritized by their ability to integrate planning with live delivery data. Relative sizing (e.g.