Bookmakers get odds wrong. Babeth shows you where.
Every 60 seconds, Babeth compares bookmakers with the fairest odds on the market, Pinnacle and Betfair Exchange. When a price is too high, you see the real chance of winning, your edge and how much to stake.
No card, no commitment. Pro plan unlocked for 14 days.
✓ 67 % of our 3,732 bets beat the closing odds check them bet by bet
- 🧠 New: Babeth learns every night
- 🛡 Free month if Babeth doesn't beat the market
- 🎁 1 free month per friend referred
- ✓Your country's bookmakers plus international ones, your choice
- ✓Results settled automatically with the final scores
- ✓Cancel in one click
🧠 New · Babeth learns every night
An algorithm that learns from its mistakes, every night
Every night, Babeth replays the last 14 days with six different models, on bets they had never seen, and keeps the best one. She judges every bet on the closing line: the only proof that doesn't depend on luck.
- 🔁She learns every night — six models compete on bets they have never seen; the best one picks your bets from the next morning.
- 🧠She explains every bet — "Why this bet?" breaks down the odds, Pinnacle and Betfair moves, the other bookmakers, line-ups, absences and the weather, factor by factor.
- 📊She publishes everything — every bet in the selection is settled with the official score and compared with the closing line, even when the result is bad.
🧠 Why this bet?
Lyon @ 2.14 · Winamax
Predicted real edge +3.1 %: what Babeth expects at the close, factor by factor.
- Pinnacle movement+0.9 pt+1.2 pt over 1 h · +1.8 pt over 3 h · last change 6 min ago
- Displayed edge+0.7 pt+4.6 % when the bet appeared
- Other bookmakers+0.4 pt2 of 31 bookmakers above the fair odds
- Teams+0.3 ptOfficial line-ups out 18 min ago · Missing: Lyon 0 · Nantes 2 · Days of rest: Lyon 6 · Nantes 3
Starting point +1.2 % (average of all flagged bets), plus the factors: +3.1 %. In closing-line-value points.
Illustrative example. On your dashboard, every bet has its own, computed by the model in charge (full breakdown with Pro and Sharp).
Live: what Babeth sees right now
One list, the bets that earn the most on average first. Every line answers three questions: how likely is this bet to win, is the price worth it, and how much should I stake.
- Chance of winning — the real probability of the bet, from the sharpest odds on the market, not from the bookmaker selling it.
- Edge — what you gain per euro staked, on average, because the bookmaker pays more than the chance justifies.
- Stake — the amount that grows your bankroll fastest without putting it at risk.
- Closing line — after kick-off, Babeth compares your odds with the closing price. Beating it regularly is the proof that you have an edge.
- Audax Italiano – Coquimbo Unido+9.1 %Audax Italiano @ 3.10888sport · Primera División · Chile ·Chance35 %
- Le Havre – Lorient+11.1 %Lorient +0 @ 1.921xBet · Ligue 1 · France ·Chance58 %
- San Jose Sharks – Calgary Flames+6.2 %Over 6.5 @ 2.27Coolbet · NHL ·Chance47 %
Real bets, shown 15 minutes after they appear, like on the free plan. During the trial, you see them 90 seconds after.🔮 = chance that the price beats the closing odds (Babeth's forecast).
Three steps. Two minutes a day.
Babeth does the maths; you decide.
Babeth works out the real chance
Every minute she reviews 5,400+ markets across 39 bookmakers and uses Pinnacle (margin removed) and Betfair Exchange, the most liquid market in the world, as references. That gives the true chance of every outcome.
She spots the bookmakers that pay too much
When a bookmaker pays more than that chance justifies, the bet shows up in your list with its chance of winning and your edge in %.
You bet the right amount
Babeth sizes the stake to your bankroll and your risk profile, never more than 5 % on one bet. One tap to log it; she settles it with the final score and tells you if you beat the closing line.
Under a minute to understand
Watch Babeth work, from the scan to the settled bet
A worked example, using the engine's formulas. Click a step to pause on it.
| Bookmaker | 1 | N | 2 |
|---|---|---|---|
| Pinnaclereference | 2.15 | 3.60 | 3.40 |
| Betfair Exchangereference | 2.202.24 | 3.703.80 | 3.503.60 |
| Betclic | 2.10 | 3.40 | 3.30 |
| Unibet | 2.20 | 3.45 | 3.25 |
| 1xBet | 2.18 | 3.55 | 3.40 |
| Marathon Bet | 2.27 | 3.50 | 3.30 |
| Winamax | 2.35 | 3.30 | 3.10 |
Betfair Exchange is a betting exchange: back odds on top, lay odds below.
Illustrative example: made-up odds, the engine's formulas (edge expected at the close: 60 % of the edge, the default value; in real use Babeth predicts it bet by bet when her model is validated).
Real results, updated every 5 minutes
What if you had followed Babeth?
Every bet she flags is recorded at the odds seen, then settled automatically with the final score. Choose a stake and a period: this is what it would have paid, and what is coming.
Two promises nobody else makes
We judge our work by the closing price, not by the luck of results. And we would rather reward your friends than pay for ads.
🛡 Closing-line guarantee
A free month if Babeth doesn't beat the market
Every month, Babeth publishes the share of her bets that beat the closing odds. If it drops below 50% over at least 100 settled bets, every Pro and Sharp subscriber gets a free month, credited on their next invoice. Nothing to claim.
🎁 Referral
A free month for you, a free month for your friend
Your friend subscribes with your link: you each get one month of their plan, taken off the next invoice. No limit on referrals.
- 1.Copy your personal link from your dashboard.
- 2.Send it by WhatsApp, Telegram, X or email.
- 3.Your friend subscribes: you both get the free month.
What Babeth promises, and what she doesn't
No guaranteed winnings. Ever.
Anyone promising you that is lying. Babeth gives you a mathematical edge; the variance is yours. Bet only what you can afford to lose.
Proof, not stories
Every bet Babeth flags is recorded and settled with the real score, in public. Every bet you log is compared with the closing price. The numbers are shown even when they are bad.
Bookmakers filtered by country
By default you see the bookmakers licensed in your country plus international bookmakers, which are not authorised everywhere: check the law where you live. In Settings, you choose exactly which ones to show.
More public proof, 3 to 10 times cheaper
Elsewhere, proof usually stops at tracking your own bets. Babeth publishes hers: every bet in the selection, settled and compared with the closing line, plus her lab results every night.
Proba Bet
✓RebelBetting
BetBurger
Trademate Sports
OddsJam
Prices and proof checked on the vendors' websites on 21 September 2026; they may change. The full comparison →
Simple prices, from 9.90 € a month
Three to ten times cheaper than the alternatives. 14-day trial, no card.
Free
I'm looking
0 € / month
- ✓Bets worth playing, 15 min after they appear
- ✓Bet of the day + chance of winning on every bet
- ✓3 bookmakers of your choice
- ✓20 bets in the tracker, settled automatically
Starter
I'm starting
9.90 € / month
no commitment
- ✓Bets worth playing, 5 min after they appear
- ✓Risk-free combinations + 5 parlays a day
- ✓Stake sized to your bankroll
- ✓Unlimited tracker, auto-settled
Pro
I bet
29 € / month
no commitment
🛡 Closing-line guarantee included- ✓Bets worth playing 90 s after they appear
- ✓Telegram alerts + Babeth assistant (one-tap Placed, slip reading)
- ✓Closing-line guarantee: free month if Babeth doesn't beat the close
- ✓Everything in Starter + live tracking + full "Why this bet?"
Sharp
I live off it
79 € / month
no commitment
🛡 Closing-line guarantee included- ✓Every bet the second it appears
- ✓Real chance on every market (thousands) + line movements
- ✓Everything in Pro: live tracking and closing-line guarantee included
- ✓Several bankrolls + API access
Final prices: no tax is added at checkout. They adapt to your country's purchasing power. · Trial = Pro plan for 14 days, then Free unless you subscribe.
Every month, Babeth publishes the share of her bets that beat the closing line. If it drops below 50% over at least 100 settled bets, the next month is free for every Pro and Sharp subscriber. No competitor commits to that.
How it is measured →Your link is on your dashboard. When a friend subscribes, you each get one month of their plan free, credited to your next invoice.
Get my link →Questions people ask Babeth
Is this a tipster service?
No. Nobody here predicts winners. Proba Bet measures the real chance of each outcome from the sharpest odds on the market and shows you where a bookmaker is paying more than that chance justifies. It is arithmetic, not opinions.
Does Babeth get better over time?
Yes. Every night she replays the last 14 days with six different models, on bets they had never seen, and only replaces the model in charge with one that does clearly better. She also learns, sport by sport, which filters to lift, and records line-ups, absences and the weather with every bet to check whether they help. Everything is published on the "How Babeth learns" page.
Where does the chance of winning come from?
From Pinnacle, the bookmaker known for the sharpest odds in the world, with its margin removed by the “power” method (which takes more off the underdogs), blended 40 % with Betfair Exchange, the most liquid betting market in the world (midpoint of the back/lay spread), when the exchange is liquid enough. A learned correction is added only once it has proven that it improves accuracy. The result is the best available estimate of the true probability, and it is checked against real scores every day on this page.
Can I really win in the long run?
Yes, but the edge shown when a bet appears (about 3 % on average) is not the real edge: part of it disappears before kick-off. What remains at the close is what counts, and we publish it bet by bet on the Results page. An edge does not remove variance: you will have losing weeks. The closing line value on your tracker tells you, independently of luck, whether your edge is real.
Which bookmakers do you cover?
About forty: 25 European and international bookmakers (1xBet, Betsson, Unibet, William Hill, Marathon, Winamax, Betclic, PMU, Tipico…) and 15 British bookmakers for players in the UK and Ireland (Paddy Power, Sky Bet, Betfred…), compared with two references, Pinnacle and Betfair Exchange. By default you see those licensed in your country plus international ones; in Settings, you choose your own.
Which sports are covered?
Football, tennis, basketball, hockey, American football, baseball, MMA, boxing, handball, rugby, cricket, Aussie rules — with odds from about forty bookmakers, including 15 British ones for players in the UK (and in Ireland for Paddy Power and BoyleSports). And thanks to Betfair Exchange, fair probabilities for everything the exchange prices: lower-tier tennis, darts, snooker, esports, golf, F1 and motorsport, volleyball… Those get probability pages, without value bets (no bookmaker to compare).
Can I bet on Betfair Exchange?
Yes. On every matched bet the app shows the best available price on Betfair Exchange with a direct link to the market. Keep the exchange commission in mind (usually 5% of net winnings): it is not deducted from the displayed price. The exchange mainly serves as a second reference to compute the true chance.
Can I follow my bets during the match?
Yes, on Pro and Sharp. In “My bets”, every started bet shows the score, refreshed every 30 seconds for the competitions our scores feed covers (major football leagues, NBA, NFL, NHL, MLB…), and its live win chance, computed from Betfair Exchange or Pinnacle up to 3 minutes behind. As soon as the end of the match is known (official score or Betfair market), the bet is settled (with the final score when we have it) and Babeth sends you the result on Telegram and as a push notification. On every plan, the result (and the final score when available) is filled in automatically.
How reliable are your probabilities?
We measure it on every priced outcome, not only on our bets: each published probability is compared with the official result (announced / realized curve, Brier score, per sport). Once a sport has enough results, a correction learned and validated out of sample applies, capped at 3 points. Everything is public on the Results page.
What is the closing-line guarantee?
A bet beats the closing line when the odds taken are better than the fair odds at kick-off: the most reliable proof of a real edge, the one professionals use. Every month, our share of bets that beat the close is published on the Results page. If it drops below 50% over a month of at least 100 settled bets, every Pro and Sharp subscriber gets the next month free, credited on their next invoice.
Why don't all plans see bets at the same time?
A mispriced line doesn't last: the bookmaker often fixes it within minutes. Sharp gets each bet as soon as Babeth detects it, Pro 90 seconds after it was first detected, Starter after 5 minutes and Free after 15 minutes. The bet of the day is visible to everyone at the same time.
How does the referral work?
Your personal link is in your account. When a friend creates an account with it and then subscribes to a paid plan, you each get one month of their plan free, deducted from the next invoice. No limit.
Do I have to connect my bookmaker accounts?
Never. Proba Bet never touches your bookmaker accounts or your money. You place your bets yourself and log them in one tap so Babeth can settle them and track them.
How does the free trial work?
You sign up with your email, no card. For 14 days you have the Pro plan. Afterwards you drop to the Free plan unless you choose a subscription. Nothing is ever charged without your explicit choice.
Can I cancel?
Yes, any time, in one click from your account. You keep access until the end of the paid period.
Is it legal?
Proba Bet is decision-support software: it takes no bets and sells no tips. Betting itself is subject to the laws of your country. The service is reserved for adults, and Babeth will always remind you that gambling carries risks.
What does the Sharp plan add?
The full comparator (the true chance on every market, not only mispriced bets), line-move alerts from the sharpest bookmaker, one bankroll per bookmaker and API access (20,000 requests a day). Everything is computed from our own data feed: there is nothing else to subscribe to.
Why is the Free plan 15 minutes behind?
Because a bookmaker often fixes a mispriced odd within minutes. Fifteen minutes is enough to check that Babeth tells the truth, not enough to act on every bet. Starter sees each bet 5 minutes after it appears, Pro 90 seconds, Sharp the same second; the 14-day trial runs at Pro speed.
How do alerts work?
When a bet enters Babeth's selection and your plan's delay has passed, it is sent to you at the bookmaker you use, with your stake. Starter (5 minutes after a bet appears): e-mail (at most one per hour) and push notification. Pro (90 seconds after) and Sharp (as soon as it is detected): Telegram with Placed / Skip buttons, automatic recording in your tracker, /balance, the Sunday report and “Ask Babeth” (free text, slip photo), by linking your account from Settings in one click. Sharp also receives line moves.
Is Proba Bet better than RebelBetting or BetBurger?
Cheaper (€29 against $99–209), two references instead of one (Pinnacle + Betfair Exchange), verifiable public proof and your licensed bookmakers in your language. But no live betting (your bets are, however, tracked live on Pro and Sharp) and fewer bookmakers: our comparison page says it all, including what we do not do.
Try it for 14 days. Babeth is waiting.
Pro plan unlocked, no card asked. If it isn't for you, you leave without saying a word.