| What it does | A coding agent CLI for local and hosted models
| Desktop app that compresses Claude Code and ChatGPT Codex inputs locally to cut token costs by up to 50%
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| NL
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Pro: $4/month billed monthly or $3/month billed annually (for Claude Pro or ChatGPT Plus); Max x5: $20/month billed monthly or $15/month billed annually (for Claude Max x5 or ChatGPT Pro $100); Max x20: $40/month billed monthly or $30/month billed annually (for Claude Max x20 or ChatGPT Pro); Team &
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| Key features | - Context discipline with prompt cache preservation
- Loop breaking detection and prevention
- Code verification with TypeScript typechecking
- Multiple work modes: plan, test-and-review, window, chat
- Kernel sandbox for shell commands on macOS
- Works with local and hosted models
- No telemetry
| - Local input compression of tool output and boilerplate
- Reversible compression preserving retrieval of original content
- Real-time savings dashboard and activity tracking
- Eight optional add-ons for further optimization
- Support for Claude Code IDE extensions and agent runners
- Privacy-first architecture with all optimization on-device
- Compatibility with Claude Pro, Claude Max, ChatGPT Plus, and ChatGPT Pro
- Minimal latency overhead of approximately 52 milliseconds
- Support for Windows, macOS, and Linux operating systems
- Project learnings saved to agent instruction files
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| What makes it different | - Designed specifically for small local models to reduce context waste and work efficiently
- Fails gracefully and communicates when stuck instead of spiraling
- Completely free and open source with no commercial edition or license key required
- Transparent and measured approach with A/B testing and published results
| - Achieves 25-50% token reduction on typical Claude Code sessions without requiring model subscription upgrades
- All compression runs locally on your machine with no data sent to servers
- Reversible compression preserves output quality and allows retrieval of original content on demand
- Works transparently with existing IDE extensions and agent runners without workflow changes
- Built on open-source Headroom CLI engine available free on GitHub
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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 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ▼ −1 (down) since last check | 15 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 3 | 6 |
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| Citation Flow (Majestic) | 19 | 31 |
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| Referring domains (Majestic) | 14 | 135 |
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Reika
Headroom