Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsMMA · Oct 17, 2:00 PM PDT FORECASTTanner Boser RELIABILITY4/4 model reports MARKET VALUENot established
Tanner Boser vs Jhonata Diniz
51.1%Tanner Boser
NOT LOCKEDAll four probabilities, converted to the same fighter, average 51.13% for Tanner Boser. 3/4 models select this fighter. Low confidence; the house still publishes a winner forecast.
16 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.
- Gemini: Boser's significant MMA experience advantage (34 career fights vs 11 for Diniz).
- Claude: Boser higher volume and lower damage absorbed
- GPT: Official late context shows this bout was added about 15 days before the event, so the short build reduces certainty for both sides rather than clearly favoring one fighter.
- Grok: Boser experience advantage (34 fights vs 11)
Read all four model reports
Gemini · Tanner Boser · 53.5%
Tanner Boser and Jhonata Diniz match up as heavyweights who primarily prefer to strike, evidenced by both having 0.00 takedowns per 15 minutes and identical 70% takedown defense. Boser holds a distinct statistical advantage in striking volume and defense, landing 4.82 significant strikes per minute while absorbing only 3.00, compared to Diniz's narrower margin (3.89 landed, 3.62 absorbed). Furthermore, Boser's extensive MMA experience (34 fights to Diniz's 11) should serve him well in a bout added just 15 days before the event, as veterans often navigate short-notice conditions more reliably. However, both men have suffered recent knockout losses, and Diniz possesses a two-inch height advantage along with significant knockout power (7 KOs in 9 wins). The short-notice nature of the fight introduces high variance, keeping the probability close to a coin flip.
google/gemini-3.1-pro-preview · Oct 17, 9:29 AM PDTClaude · Tanner Boser · 53.0%
Boser holds edges in output (4.82 vs 3.89 per min), strikes absorbed (3.00 vs 3.62) and depth of experience (34 fights vs 11). Diniz offers size and one-shot power but has been stopped twice in four. Very close, both on TKO losses.
anthropic/claude-opus-5 · Oct 17, 9:20 AM PDTGPT · Jhonata Diniz · 56.0%
This looks like a fairly close heavyweight striking matchup, but Diniz gets a small edge from the supplied evidence. Both fighters are similar in age and both show zero offensive grappling in the UFC stats, so the available profile points toward a stand-up fight. Diniz is the slightly bigger man at 6'4 and 251.5 lbs on the official weigh-in versus Boser at 6'2 and 247.5 lbs, and his recent UFC-level results are a bit stronger overall: wins over Alvin Hines and Karl Williams, with losses to Mario Pinto and Marcin Tybura. Boser has more experience and slightly better volume/damage numbers on paper, landing 4.82 per minute while absorbing 3.00, compared with Diniz at 3.89 landed and 3.62 absorbed, which keeps this competitive. But Boser’s recent form includes a TKO loss to Gokhan Saricam in April 2026 and he has gone 2-3 in his last five listed fights. Diniz is also 3-2 in his last five, a
openai/gpt-5.4 · Oct 17, 9:19 AM PDTGrok · Tanner Boser · 54.0%
Boser holds a substantial experience edge with 34 professional bouts versus Diniz's 11. Boser posts higher striking volume at 4.82 landed per minute against 3.89 and comparable defensive metrics. Both fighters show negligible grappling output and rely on striking, where Boser's volume and 12 career knockouts provide a modest edge over Diniz's 7 knockouts. The bout addition 15 days prior and successful weigh-ins at 247.5 and 251.5 lbs introduce no disqualifying factors.
xai/grok-4.3 · Oct 17, 9:19 AM PDTWhat remains uncertain
- The short-notice booking (15 days) obscures the fighters' conditioning and specific camp preparation.
- Missing reach and stance data for both fighters prevents a detailed analysis of striking range dynamics.
- Absence of licensed pre-event odds removes a valuable consensus baseline.
- Lack of grappling metrics (null takedown accuracy for Diniz) limits the assessment of potential ground exchanges, though they appear unlikely.
- No pre-event odds supplied
- No reach or stance data for either fighter
- Late context only confirms bout addition 15 days out and on-weight weigh-ins; no camp, injury or layoff detail
- The rationale is limited to the supplied profiles and verified late context only; reach, stance, and detailed stylistic tape-study information are missing.
What to watch next
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- First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
4d286bd56c9a5ec04a4877a8c53473003d7cd28b3c3eee0d45bddea5d31dc9b3
Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.
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