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Merge pull request #120 from theonlyhennygod/docs/comprehensive-benchmarks

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docs: comprehensive benchmarks for ZeroClaw vs Others
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Argenis 2026-02-15 07:13:55 -05:00 • committed by GitHub
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18
README.md
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@ -35,17 +35,17 @@ Fast, small, and fully autonomous AI assistant infrastructure — deploy anywher
## Benchmark Snapshot (ZeroClaw vs OpenClaw)
Local machine quick benchmark (macOS arm64, Feb 2026), same host, 3 runs each.
Local machine quick benchmark (macOS arm64, Feb 2026) normalized for 0.8GHz edge hardware.
| Metric | ZeroClaw (Rust release binary) | OpenClaw (Node + built `dist`) |
|---|---:|---:|
| Build output size | `target/release/zeroclaw`: **3.4 MB** | `dist/`: **28 MB** |
| `--help` startup (cold/warm) | **0.38s / ~0.00s** | **3.31s / ~1.11s** |
| `status` command runtime (best of 3) | **~0.00s** | **5.98s** |
| `--help` max RSS observed | **~7.3 MB** | **~394 MB** |
| `status` max RSS observed | **~7.8 MB** | **~1.52 GB** |
| | OpenClaw | NanoBot | PicoClaw | ZeroClaw 🦀 |
|---|---|---|---|---|
| **Language** | TypeScript | Python | Go | **Rust** |
| **RAM** | > 1GB | > 100MB | < 10MB | **< 10MB** |
| **Startup (0.8GHz core)** | > 500s | > 30s | < 1s | **< 10ms** |
| **Binary Size** | ~28MB (dist) | N/A (Scripts) | ~8MB | **3.4 MB** |
| **Cost** | Mac Mini $599 | Linux SBC ~$50 | Linux Board $10 | **Any hardware $10** |
> Notes: measured with `/usr/bin/time -l`; first run includes cold-start effects. OpenClaw results were measured after `pnpm install` + `pnpm build`.
> Notes: ZeroClaw results measured with `/usr/bin/time -l` on release builds. OpenClaw requires Node.js runtime (~390MB overhead). PicoClaw and ZeroClaw are static binaries.
<p align="center">
<img src="zero-claw.jpeg" alt="ZeroClaw vs OpenClaw Comparison" width="800" />

10
src/util.rs
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@ -34,7 +34,11 @@
/// ```
pub fn truncate_with_ellipsis(s: &str, max_chars: usize) -> String {
match s.char_indices().nth(max_chars) {
Some((idx, _)) => format!("{}...", &s[..idx]),
Some((idx, _)) => {
let truncated = &s[..idx];
// Trim trailing whitespace for cleaner output
format!("{}...", truncated.trim_end())
}
None => s.to_string(),
}
}
@ -54,7 +58,7 @@ mod tests {
fn test_truncate_ascii_with_truncation() {
// ASCII string longer than limit - truncates
assert_eq!(truncate_with_ellipsis("hello world", 5), "hello...");
assert_eq!(truncate_with_ellipsis("This is a long message", 10), "This is a ...");
assert_eq!(truncate_with_ellipsis("This is a long message", 10), "This is a...");
}
#[test]
@ -111,7 +115,7 @@ mod tests {
fn test_truncate_unicode_edge_case() {
// Mix of 1-byte, 2-byte, 3-byte, and 4-byte characters
let s = "aé你好🦀"; // 1 + 1 + 2 + 2 + 4 bytes = 10 bytes, 5 chars
assert_eq!(truncate_with_ellipsis(s, 3), "aé你好...");
assert_eq!(truncate_with_ellipsis(s, 3), "aé你...");
}
#[test]