This is an older version. The current version is 2.6.0. Claude Platform CLI 2.6.0 · Released:
Installer files 1.21.0
| Architecture | Type | Scope | File size | Download | SHA256 |
|---|---|---|---|---|---|
| 64-bit | ZIP → Portable | — | — | github.com | VirusTotal |
| ARM64 | ZIP → Portable | — | — | github.com | VirusTotal |
| 32-bit | ZIP → Portable | — | — | github.com | VirusTotal |
Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.
Release notes
1.21.0 (2026-07-24)
Full Changelog: v1.20.0...v1.21.0
Features
- api: add claude-opus-5 model (3e67b3d)
- api: add tool addition/removal blocks and tool_change events (3e67b3d)
- api: expand client-side fallback credit token types and add server-side fallbacks default option (3e67b3d)
Bug Fixes
- client: honor ANTHROPIC_BASE_URL in API requests (#43) (0dcaa4f)
Chores
- bump dependency (8358acd)
- ci: cap macOS notarize timeout at 40m; add notary-status debug workflow (#42) (3aa7a80)https://github.com/anthropics/anthropic-cli/releases/tag/v1.21.0
