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Uber burned its 2026 AI budget by April. Why? 73% redundant reads

Uber burned its 2026 AI budget by April. Why? 73% redundant reads

by CataDef·May 18, 2026·1 point·1 comment
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AI Analysis

●●SolidBig BrainSolve My Problem

Logs show 73% of Claude Code tokens are re-reading files you already paid to read.

Strengths
  • •Rigorous 30-day measurement across 47 sessions with 18k+ tool calls.
  • •Provides a replicable 80-line shell wrapper to audit your own sessions.
  • •Identifies structural inefficiency in long sessions that scales with usage.
Weaknesses
  • •No shipped tool to automatically block or cache these redundant reads yet.
  • •Findings confirm known context window limitations rather than solving them.
Category
AI/ML
Target Audience

Engineering leaders and developers using AI coding agents

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