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jcode

Need Homebrew, source builds, provider setup, or want an agent to set it up for you? Jump to detailed installation. jcode is built to be as performant and resource efficient as possible. Every metric is optimized to the bone, which is important for scaling multi-session workflows. Here we sample a few metrics to show the difference: RAM usage and boot up. Tool Time to first frame Range Comparison ------:---:---: jcode 14.0 ms 10.1, 19.3 ms baseline Antigravity CLI 383.5 ms 363.1, 415.4 ms 27.4× slower pi 590.7 ms 369.6, 934.8 ms 42.2× slower Codex CLI 882.8 ms 742.3, 1640.9 ms 63.1× slower OpenCode 1035.9 ms 922.5, 1104.4 ms 74.0× slower GitHub Copilot CLI 1518.6 ms 1357.4, 1826.8 ms 108.5× slower Cursor Agent 1949.7 ms 1711.0, 2104.8 ms 139.3× slower Claude Code 3436.9 ms 2032.7, 8927.2 ms 245.5× slower

View jcode on GitHub
Navid Moazzezby Navid Moazzez·Updated Sept 30, 2026·1 min read
jcode

Need Homebrew, source builds, provider setup, or want an agent to set it up for you? Jump to detailed installation.

jcode is built to be as performant and resource efficient as possible. Every metric is optimized to the bone, which is important for scaling multi-session workflows. Here we sample a few metrics to show the difference: RAM usage and boot up.

Tool Time to first frame Range Comparison ------:---:---: jcode 14.0 ms 10.1, 19.3 ms baseline Antigravity CLI 383.5 ms 363.1, 415.4 ms 27.4× slower pi 590.7 ms 369.6, 934.8 ms 42.2× slower Codex CLI 882.8 ms 742.3, 1640.9 ms 63.1× slower OpenCode 1035.9 ms 922.5, 1104.4 ms 74.0× slower GitHub Copilot CLI 1518.6 ms 1357.4, 1826.8 ms 108.5× slower Cursor Agent 1949.7 ms 1711.0, 2104.8 ms 139.3× slower Claude Code 3436.9 ms 2032.7, 8927.2 ms 245.5× slower

jcode at a glance

Stars20k
Forks2.3k
LanguageRust
LicenseMIT
Last update2026-09-26
Contributors33

How to install jcode

bash brew tap 1jehuang/jcode 

Where jcode is listed

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