The Field Guide to Measuring Token Efficiency in AI Engineering
Three outcome signals. Eleven guardrail metrics. The measurement framework for engineering leaders who need to connect token spend to shipped outcomes and know what to keep, scope, or cut.
AI ENGINEERING REPORT 2026
The Acceleration
Whiplash
The definitive data on AI's engineering impact. What's working, what's breaking, and what leaders need to do next.
- Engineering throughput is up
- Bugs, incidents, and rework are rising faster
- Two years of data from 22,000 developers across 4,000 teams
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