# Anthropic Rebuilds Claude Code Review Into Five Distinct Effort Tiers

The levels run from a seconds-long basic check to an "Ultra" pass that uploads the repository to a group of cloud-based agents, each finding independently verified.

- Published: 2026-07-18T06:03:03.819Z
- Canonical: https://polylog.news/ai/2026-07-18/anthropic-rebuilds-claude-code-review-into-five-distinct-eff
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [Fastio](https://fast.io/resources/claude-code-review-guide/)

Anthropic has restructured code review inside Claude Code into five effort levels, low, medium, high, extra-high, and ultra, with each level running a distinct process rather than the same prompt given more time to think, as first noted on…

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