Know your score
before you post.
The only AI tool that scores your tweets against the 19 real ranking signals in the X algorithm. Stop guessing what works. Start knowing.
Try an example:
Free: 3 scores/day • No signup required
Built from the actual X algorithm source code
How Chirpscore works
We reverse-engineered the X algorithm source code and turned it into a scoring rubric. Now you can see exactly how the algorithm will treat your content.
Paste your tweet
Drop your draft into Chirpscore. Works with any length, any style, any niche.
AI analyzes 7 signal categories
We score shareability (3x weight), reply magnetism (2x), dwell time (2x), visual engagement (1.5x), authority signal (1.5x), and flag negative risks (-2x penalty).
Get your score + suggestions
See your 0-100 score with a full breakdown of why. Get specific, actionable suggestions to boost your reach before you post.
The scoring formula
Weights derived from X's open-source algorithm (weighted_scorer.rs)
Simple pricing. Cancel anytime.
Start free. Upgrade when you're ready to take your content seriously.
Free
Try it out. See what you've been missing.
- ✓3 tweet scores per day
- ✓Overall score + grade
- ✓Top-level breakdown
- ✓Character count check
Creator
For creators serious about growth.
- ✓Unlimited tweet scores
- ✓Full 7-category breakdown
- ✓AI-powered suggestions
- ✓Score history & trends
- ✓Link & image detection
- ✓Export scores
Pro
For power users and professionals.
- ✓Everything in Creator
- ✓AI tweet generation
- ✓Voice training (paste your best tweets)
- ✓Thread scoring
- ✓Optimal posting time suggestions
- ✓Priority support
Stop guessing. Start knowing.
Every tweet you post without scoring is a gamble. Chirpscore tells you exactly how the algorithm will treat your content before you hit send.