Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsMMA · Oct 31, 2:00 PM PDT YOUR RESEARCH TASK FORECASTRandy Brown RELIABILITY4/4 model reports MARKET VALUENot established
Randy Brown vs Carlos Leal
52.4%Randy Brown
NOT LOCKEDAll four probabilities, converted to the same fighter, average 52.38% for Randy Brown. 3/4 models select this fighter. Low confidence; the house still publishes a winner forecast.
Check the evidence
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- Read the model reasons and reported limits.
- Inspect available source context; record missing sources.
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14 reported evidence limits. Agreement alone does not establish accuracy.
A probability difference alone does not account for forecast error, fees, spread, or available liquidity.
Why the models lean this way
These are reasons recorded by the models. They are not independently verified facts or measured causes of a probability change.
- Claude: Brown size and range plus better striking defense
- Gemini: Leal's exceptionally high striking volume at 8.75 significant strikes landed per minute
- Grok: Brown height advantage (6'3" vs 5'10")
- GPT: Brown has a clear listed height advantage at welterweight: 6'3" vs 5'10".
Read all four model reports
Claude · Randy Brown · 54.0%
Brown's five-inch height edge, longer-range striking and far better defensive metrics (54 pct defense, 3.35 absorbed) slightly outweigh Leal's volume-heavy but leaky brawling style (49 pct defense, 7.78 absorbed). Form and durability concerns on both sides keep this near a toss-up.
anthropic/claude-opus-5 · Oct 16, 5:06 PM PDTGemini · Carlos Leal · 53.5%
Carlos Leal brings an extremely high-volume striking approach, landing 8.75 significant strikes per minute, which could overwhelm Randy Brown, especially given the short-notice nature of this bout which was added roughly 15 days before the event. While Brown possesses a significant five-inch height advantage and a more measured striking differential, his recent form is concerning, having lost three of his last four bouts. Leal's exceptional 91 percent takedown defense will likely force a stand-up battle where his pressure and output can dictate the pace. Leal's recent victory over another tall striker in Chidi Njokuani suggests he can effectively navigate significant height disadvantages.
google/gemini-3.1-pro-preview · Oct 16, 5:06 PM PDTGrok · Randy Brown · 52.0%
Randy Brown holds a modest edge from greater height, UFC experience, and a more balanced recent record against higher-level opposition. Carlos Leal posts superior striking volume but absorbs far more damage and has suffered a first-round knockout loss. The bout addition 15 days prior introduces preparation uncertainty for both. Sparse verified data on reach, camp status, and direct stylistic matchup limits calibration, keeping the probability near 50.
xai/grok-4.3 · Oct 16, 5:06 PM PDTGPT · Randy Brown · 57.0%
Brown gets the lean on a combination of proven UFC sample, meaningful size advantage, and the stylistic shape suggested by the supplied stats. Brown is 6'3" to Leal’s 5'10" at the same listed weight, and his UFC striking numbers are much cleaner defensively: 4.39 landed per minute while absorbing 3.35, versus Leal’s very high-output but much leakier 8.75 landed and 7.78 absorbed. That points to Brown being the more sustainable minute-winner if he can keep range and avoid extended brawls. Brown also shows more submission activity and a respectable 75% takedown defense, while Leal’s own wrestling volume is low. Recent form is mixed for both. Brown is 2-3 in his last five and coming off two losses, but those came against established UFC opposition. Leal is also 3-2 in his last five, with strong wins over Morono and Chidi Njokuani but a quick KO loss to Salikhov and a decision loss to Fakhre
openai/gpt-5.4 · Oct 16, 5:06 PM PDTWhat remains uncertain
- No pre-event odds, reach or stance data supplied
- Bout added about 15 days out; camp length unverified for both
- Layoffs and any injury or weight issues not verified
- Reach and stance metrics are missing for both fighters, which are crucial for evaluating a matchup with a significant height disparity
- The short-notice bout addition introduces uncertainty regarding both fighters' conditioning and specific game planning
- Licensed pre-event odds are not connected, removing a valuable consensus baseline
- No reach or stance data for either fighter
- No verified late weight, injury, or camp details
What to watch next
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- First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
7a0e20a4a4a627b3a44798bb6e0f1badf92bc533c8a56bfebd485f9afea178d9
Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.
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