Caprock vs TestFlows Machine
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Caprock compared with TestFlows Machine
| Detail | 
Caprock | 
TestFlows Machine |
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| What it does | The ledger of every coding agent you run
| Run your programs deterministically. Record, replay, and branch your runs.
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| Stage | Startup
| Not given
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| Founded | 2026
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| Based in | US
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| Pricing model | Not given
| Freemium
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| Pricing | Free Community Edition with 83 features. Premium: $30 per year or $100 once. Teams in your VPC: $6,000 per year or $1,000 per month plus $500 setup.
| Free: €0 with ₡3 credits included each month (about 20 vCPU-hours). Starter: €10/month with ₡25 credits (about 166 vCPU-hours). Plus: €25/month with ₡65 credits (about 433 vCPU-hours). Pro: €50/month with ₡150 credits (about 1,000 vCPU-hours). Dedicated: contact sales. Usage credits: €1 a credit, pu
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| Key features | - Track who is waiting on you and who is stuck across agents
- Live plan limits for Claude and Codex
- Cost per pull request and repository at API list price
- Run Claude Code, Codex, OpenCode and Gemini CLI in terminal tabs
- Follow branches from agent to pull request, CI, merge and release
- Loop alerts when a session calls the same tool five times in three minutes
- Search session history after Claude Code deletes transcripts
- Pair phone by QR code for access from anywhere
- Auto-pause sessions at daily budget limit (Premium)
- Run tasks unattended with automatic verification
| - Record runs with non-deterministic inputs pinned down
- Replay runs instruction-by-instruction
- Checkpoint and fork from any point
- Fault injection for disk, network, clock, containers and system calls
- Built-in debugger for machine programs
- Machine client and Python SDK
- Cloud storage for runs and disk images
- Multiple simultaneous sessions with configurable vCPUs
- Configurable session disk up to 256G
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| What makes it different | - Works with multiple agents on the same machine in one unified ledger
- Prices agent work at API list price with cost per pull request and repository
- Team version runs in your VPC with one flat price for all machines
| - Deterministic replay of program runs with identical outcomes
- Fork and branch from any point without losing original timeline
- Comprehensive fault injection testing built-in
- Pay-as-you-go usage credits with free plan available
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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) | 12 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 4 |
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| Citation Flow (Majestic) | 21 | 21 |
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| Referring domains (Majestic) | 14 | 27 |
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4 details filled in for both companies.
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