# Anthropic Restructures Claude Code Review Into Five Effort Tiers, Topped by a Cloud Agent Fleet

The Ultra tier launches parallel specialized agents in a remote sandbox that independently verify each finding, taking five to ten minutes and costing an estimated $5 to $20 per review.

- Published: 2026-07-18T05:46:36.130Z
- Canonical: https://polylog.news/ai/2026-07-18/anthropic-restructures-claude-code-review-into-five-effort-t
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [Claude Code Docs](https://code.claude.com/docs/en/code-review)

Anthropic reworked the code-review feature in Claude Code into tiered effort levels, Low, Medium, High, X-high and Ultra, where each level runs a distinct process rather than the same prompt with more reasoning time, and the level is select…

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