Know which headline wins before you spend traffic on it.
Stage
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Founded
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Based in
PL
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Pricing model
Paid
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Pricing
Starter: $10/month for 100 replies per month. Pro: $29/month for 500 replies per month. Annual plans are temporarily unavailable for new purchases.
Free: $0/month with 5 rankings and 60 Claude-written options monthly. Creator: $19/month with 100 rankings and 2,500 options. Pro: $49/month with 600 rankings and 6,000 options. Agency: $149/month with 3,000 rankings and 20,000 options.
Key features
Draft LinkedIn replies from comments
Multi-language support
Text analysis
Personalization with saved context
Review and edit before insertion
Image analysis (Pro plan)
Chrome extension integration
Tone and style customization
Head-to-head comparison of up to 200 variants
Bradley-Terry model ranking with calibrated odds
Honest uncertainty verdicts: Clear, Lean, Too close to call
Brand profiles to calibrate accuracy on your audience
Works for YouTube titles, subject lines, ad headlines, and article headlines
Accuracy measured on 9,841 held-out A/B tests
What makes it different
You control every comment before it goes live with full review and edit capability
Drafts sound like you with personalization options and final editing control
Works across multiple languages for global audience engagement
Saves time on LinkedIn engagement and response drafting
Integrates directly into LinkedIn workflow without external tools
82% accuracy on clear calls, trained on thousands of real A/B tests never seen during tuning
Honest about uncertainty instead of always crowning a winner
56 times cheaper than Claude Sonnet while maintaining comparable accuracy
Custom calibration to your audience's behavior via brand profiles
Compare versions in both orders to cancel out model bias