| What it does | 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
| Startup
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| Founded | Not given
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| Based in | NL
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| Pricing model | Freemium
| Paid
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| Pricing | 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 &
| $20 free credit to start. Per-review pricing: $0.20 per initial review when a PR opens (includes up to 1,000 lines changed), $0.08 per re-review on each update. Reviews over 1,000 lines cost an additional $0.30.
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| Key features | - 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
| - Reviews complete in about 30 seconds
- Automatic review on every pull request including drafts
- Single organization install with no per-user setup required
- Fresh review comment posted on each push with previous reviews collapsed
- Flags merge risks such as bugs, broken contracts, and security holes
- Private repository code not used to train foundation models
- Pay-per-review pricing model with no seat-based licensing
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| What makes it different | - 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
| - Independent review from a separate model, not the same session that wrote the code
- Consistent six-point checklist on every PR prevents wandering reviews
- Dramatically faster cost model than seat-based tools
- Single install for entire organization with no friction
- Keeps review time off the critical path of the software factory
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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) | 15 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 31 | 12 |
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| Referring domains (Majestic) | 135 | 1 |
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Headroom
Pacecar