Claude Code v2.1.237 fixes gateway prompt caching and adds Concise output

Anthropic's 20 August Claude Code release fixes prompt caching behind LLM gateways or custom base URLs and adds a built-in Concise output style.

Human reviewed · generated by codex/gpt-5.6-luna

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Summary

Claude Code v2.1.237 fixes prompt caching for sessions that use an LLM gateway or custom base URL. It also adds a selectable Concise style that leads with results and suppresses preamble and narration while preserving the work itself.

Why it matters

The caching fix targets a cost-sensitive path for teams routing Claude Code through gateways, while the output mode changes the interaction shape of agentic coding sessions.

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Claude Code v2.1.237 release
GitHub REST release metadata

Summary

Why it matters

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