| What it does | See what every AI prompt costs and rewrite it in one click
| Independent verification for AI agent outcomes
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| Stage | Not given
| Startup
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| Founded | Not given
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| Based in | GB
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: $0 forever with 5 cloud optimizations per day, unlimited local rewrites, 100-prompt history with CSV export. Pro: $4.99/month or $39.99/year (save 33%) with 1,000 cloud optimizations per month, 500-prompt history with JSON export, Gemini 3 Flash Preview, custom focus presets, side panel worksp
| Hobbyist: free forever with 250 checks/month; Pro: $9/month with 2,500 checks/month, $0.01 per extra check
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| Key features | - Live token cost estimates across ChatGPT, Claude, Perplexity, Gemini, Grok, Poe, OpenRouter, ChatHub, TypingMind and You.com
- Side-by-side comparison of original vs optimized prompts with savings shown in tokens and credits
- Dashboard with savings statistics: today, 7-day, and total saved tracking
- Prompt history with export: 100-prompt history with CSV or JSON export
- Keyboard shortcuts (Alt+Shift+O) for hands-free optimization
- Privacy-first: prompts stay local unless you click Optimize
- Optional API monitoring to track spending across all AI tools you use
- Transparent cost calculation using official per-token rates from each AI provider
| - Independent outcome verification with VERIFIED, FAILED, or UNKNOWN status
- First-party adapters for Stripe, GitHub, Linear, Sentry, Resend, and HTTP endpoints
- MCP integration with Claude Code, Cursor, and any MCP host
- GitHub Actions required check that fails on unverified claims
- Audit trail storing claims, evidence, and verdicts separately
- Capability inspection before agents call tools
- Read-only credential access with AES-256-GCM encryption
- Continuous monitoring with watches every 5-10 minutes on Pro plan
- Evidence retention for 7 days on Hobbyist, 1 year on Pro
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| What makes it different | - No setup, API key, or third-party trackers required
- Transparent methodology with published formulas and per-model rates anyone can verify
- Works across 10 major AI platforms with a single extension
- Privacy by default: prompts never logged or stored
- Intentionally pessimistic estimates prevent bill surprises
| - Refuses to guess: returns UNKNOWN rather than false positives when evidence is unreachable
- Neutral gate between agent execution and success verification
- Runs the same way in production as in development
- Never needs write access, only reads authoritative state
- Structured audit trail for debugging and agent evaluation
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 1 |
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| Citation Flow (Majestic) | 10 | 23 |
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| Referring domains (Majestic) | 2 | 14 |
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Token Wise
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