Claude Code v2.1.18

Release Context

• This was the 16th Claude Code release of 2026 tracked by Havoptic.
• It shipped the same day as Claude Code v2.1.17 (January 22, 2026).

Shipped around the same time

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

• OpenAI Codex CLI rust-v0.91.0 (January 25, 2026)
• OpenAI Codex CLI rust-v0.90.0 (January 25, 2026)
• Devin Desktop v1.13.12 (January 25, 2026)
• GitHub Copilot CLI v0.0.394 (January 24, 2026)
• Gemini CLI v0.25.2 (January 23, 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