Model v2.1Accuracy: 55.7% (472 live)Brier: 0.2468Live:55.7%472/500
Today: 15 picks 7 value playsAPI

API Access

Build with Diamond AI

The same statistical engine that powers our predictions — a logistic regression trained on 22,762 MLB games — available as a REST API.

99.9% Uptime Key-Based Auth JSON REST

Free

$0 /month

Get started with core prediction data

  • 100 API calls/day
  • Daily predictions (delayed 1hr after game time)
  • Team Elo rankings
  • Model accuracy stats
  • Community support
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Pro

$99 /month

Real-time data for serious analysts

  • 1,000 API calls/day
  • Real-time predictions (before first pitch)
  • Value bet alerts (model vs Vegas divergence)
  • Live win probability
  • Lineup-adjusted recalculations
  • Pitcher Power Index access
  • Email support
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Enterprise

Custom

Full platform access for organizations

  • Unlimited API calls
  • Raw model probabilities + confidence intervals
  • Historical backtest data (22,762 games)
  • Custom model training (team/league-specific)
  • Webhook alerts for value bets
  • Dedicated account manager
  • White-label options
  • SLA guarantee (99.9% uptime)
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Under the Hood

What You Get

Trained Statistical Model

Not an LLM guessing. A logistic regression trained on 22,762 MLB games, validated at 56.5% on a held-out season. Every coefficient has meaning.

Real-Time Elo Ratings

30 teams ranked by strength, updated after every game. Seeded from Pythagorean win expectation, with K-factor decay tuned across 10 seasons.

Live Win Probability

In-game probability updated by inning, built from 61,634 parsed historical games. Watch the odds shift in real time as the game unfolds.

Value Bet Detection

Automated divergence alerts when our model disagrees with Vegas by >5%. Edge quantified with expected value calculations.

Built for Scale

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FAQ

Common Questions

56.5% validated on 2,430 held-out games from the most recent complete season. The model was never trained on this data. Full calibration charts and Brier score breakdowns are available via the accuracy endpoint.

Retrosheet play-by-play (233,000+ games), Lahman historical database, Baseball Savant / Statcast metrics, MLB Stats API for real-time data, and Vegas consensus odds from multiple sportsbooks.

Diamond AI provides predictions for informational and analytical purposes only. We do not facilitate, encourage, or endorse gambling. Users are responsible for complying with all applicable laws in their jurisdiction.

Three times daily: 8am, 10am, and 12pm CT. The noon run includes lineup-adjusted recalculations once starting lineups are confirmed. During games, live win probability updates in real time.

Yes. Enterprise tier customers can white-label Diamond AI's predictions, Elo data, and win probability engine under their own brand. Contact sales to discuss integration options.

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