head to head · open source
Orca vs Grok Build
Orca has 113,485 GitHub stars, 7,169 forks, 5,801 open issues and last shipped yesterday. Grok Build has 27,659 stars, 5,229 forks, 0 open issues and last shipped 1 months ago. Orca leads on adoption by 310% (113,485 vs 27,659 stars). Orca is written in TypeScript under MIT; Grok Build is written in Rust under Apache-2.0. Orca has attracted 6% as many forks as stars, Grok Build 19%. Orca was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Orca | Grok Build | |
|---|---|---|
| GitHub stars | ★ 113K | ★ 28K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Rust |
| Last push | 2026-11-02 | 2026-09-29 |
| Forks | ⑂ 7.2K | ⑂ 5.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Orca if
- You weight community size — 113K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Grok Build if
- You want the Grok Build feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and Grok Build fits your workflow better
About Orca
Orca 中文 · 日本語 · 한국어 · Español · Français · Português The AI Orchestrator for 100x builders. Run Codex, ClaudeCode, OpenCode or Pi side by side — each in its own worktree, tracked in one place. Download Orca Features Mobile Companion Monitor and steer your agents from your phone — get notified when an agent finishes and send follow ups from anywhere. iOS App Store · TestFlight · Android APK 0.0.48 · Docs → Parallel Worktrees Fan one prompt across five agents, each in its own isolated git worktree — compare the results and merge the winner. Docs → Terminal Splits Ghostty class terminals with WebGL rendering…
About Grok Build
Grok Build ( grok ) Grok Build is SpaceXAI's terminal based AI coding agent. It runs as a full screen TUI that understands your codebase, edits files, executes shell commands, searches the web, and manages long running tasks — interactively, headlessly for scripting/CI, or embedded in editors via the Agent Client Protocol (ACP). Installing the released binary · Building from source · Documentation · Repository layout · Development · Contributing · License Learn more about Grok Build at x.ai/cli This repository contains the Rust source for the grok CLI/TUI and its agent runtime. It is synced periodically from the…
read the full Grok Build overview →
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Frequently asked questions
Is Orca or Grok Build more popular?
Orca has 113,485 GitHub stars and Grok Build has 27,659. Orca has the larger community by that measure.
Are Orca and Grok Build free?
Both are open source. Orca is licensed under MIT and Grok Build under Apache-2.0. Neither carries a licence fee.
What is the difference between Orca and Grok Build?
Orca is written in TypeScript and Grok Build in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Orca or Grok Build?
Choose Orca if you want the larger community (113,485 stars) or its MIT licence terms. Choose Grok Build if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.