Claude Code v2.1.138

Release Context

• This was the 106th Claude Code release of 2026 tracked by Havoptic.
• It shipped the same day as Claude Code v2.1.137 (May 9, 2026).

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

• Kiro CLI v2.3.0 (May 12, 2026)
• GitHub Copilot CLI v1.0.45 (May 11, 2026)
• OpenAI Codex CLI rust-v0.130.0 (May 8, 2026)
• GitHub Copilot CLI v1.0.44 (May 8, 2026)
• OpenAI Codex CLI rust-v0.129.0 (May 7, 2026)

Compare Claude Code: vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI