| What it does | Multi-model desktop workspace with cost optimization through agent routing
| A fast, lean coding agent for your terminal
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| Pricing model | Freemium
| Open source
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| Pricing | Desktop app: Free and open source (Apache 2.0). Halv Cloud: US$10 per month.
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| Key features | - JEV agent routing for automatic model and reasoning selection
- Support for Claude Code, Codex, Kimi, and GLM models
- Synced savings dashboard
- History across machines
- Automatic account rotation
- Code navigation via Crux
- Command output filtering via RTK
- Model context processing via Headroom
- Cross-platform support for macOS, Windows, Linux
| - Starts in 13ms and uses only 17MB peak memory
- Works with any model: local or hosted APIs
- Reads Claude Code and Codex settings automatically
- Background runs on separate branches
- Verifies work by running project checks
- Undo function to revert changes
- Sandbox environment for safe command execution
- Spend limits and usage tracking
- MCP server support and plugins
- Scheduled runs
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| What makes it different | - 57.1% lower recorded model costs compared to vanilla Codex on benchmark runs
- Free and open source desktop app under Apache 2.0 license
- Agent routing included with Halv Cloud at no additional fee
- Single workspace for multiple AI coding models
- Matched vanilla Codex pass rates with lower cost
| - Fastest coding agent: 1.5ms CPU per turn vs 4.2-145ms for other agents
- Lowest memory footprint at 17MB peak vs up to 960MB for competitors
- Most efficient token usage on real tasks
- Single 20MB portable binary requiring no installation
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 18 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 3 | 0 |
| Citation Flow (Majestic) | 24 | 8 |
| Referring domains (Majestic) | 57 | 1 |