Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsNFL · Sep 20, 10:00 AM PDT YOUR RESEARCH TASK FORECASTTampa Bay Buccaneers RELIABILITY4/4 model reports MARKET VALUENot established
Cleveland Browns vs Tampa Bay Buccaneers
76.5%Tampa Bay Buccaneers
LOCKED Sep 20, 9:30 AM PDT4/4 independent models select Tampa Bay Buccaneers; all four oriented probabilities average 76.5%.
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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18 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: DraftKings line TB -8.5 implies a strong home-favorite edge for Tampa Bay
- Grok: TB favored by 8.5 points on DraftKings line
- Gemini: Tampa Bay is favored by 8.5 points.
- GPT: DraftKings market line lists Tampa Bay -8.5, indicating Tampa Bay is materially stronger in this matchup
Read all four model reports
Claude · Tampa Bay Buccaneers · 78.0%
The only quantitative comparative evidence is the DraftKings line of Tampa Bay -8.5 at home in Raymond James Stadium, with a modest total of 41.5. A home favorite of that size historically converts to roughly a 77-80% win rate, so I anchor near 78%. Both teams enter 0-1, so records provide no differentiation and the market is doing all the work. The low total slightly compresses variance in favor of the favorite but also implies fewer possessions, which marginally aids an underdog upset. No injury or quarterback-status information is supplied for either side, so I do not adjust off the market number.
anthropic/claude-opus-5 · Sep 15, 9:11 PM PDTGrok · Tampa Bay Buccaneers · 72.0%
Both teams enter at 0-1. TB hosts at Raymond James Stadium and carries an 8.5-point market line advantage. The spread supplies the only comparative signal favoring the home side; identical records and absent team statistics prevent sharper calibration.
xai/grok-4.3 · Sep 15, 9:11 PM PDTGemini · Tampa Bay Buccaneers · 80.0%
Tampa Bay is an 8.5-point home favorite, which typically translates to an implied win probability of around 80%. Both teams are 0-1, but the market strongly favors the Buccaneers at home.
google/gemini-3.1-pro-preview · Sep 15, 9:11 PM PDTGPT · Tampa Bay Buccaneers · 76.0%
Tampa Bay is the home team and the supplied market evidence makes the Buccaneers a substantial 8.5-point favorite. Both teams are 0-1, so team record does not separate them, but the point spread is strong comparative evidence and is the most informative item in the package. With no conflicting facts in the evidence set, the best evidence-bounded estimate is that Tampa Bay wins a clear majority of the time, though not with extreme certainty because no quarterback, injury, weather, or deeper performance data are provided.
openai/gpt-5.4 · Sep 15, 9:10 PM PDTWhat remains uncertain
- Injury lists are empty for both teams; availability reports may not yet be published
- No quarterback or depth-chart detail provided
- No moneyline odds to cross-check the spread-implied probability
- Weather data is null for an outdoor September game in Tampa
- Only Week 1 results implied by records; no performance or efficiency metrics included
- Single sportsbook line with no line-movement history
- No offensive or defensive statistics supplied
- Injury reports empty and noted as potentially incomplete
What to watch next
Official result recorded. Review the original forecast and sources below.
Open the event and source context →What changed before the lock
- First recorded forecast
The pre-event probability state was locked atomically and is immutable.
Record hash
a9ea4fd5103eb23ea26d336642c6fadef1d4fcde991a9a27da0d81b86a5eec0e - First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
11923ada024d390d55ac0ab7af8082927482ca36a9b165c283ce7220ec6495ae
Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.
The saved method comparison
This event has no eligible record in the new comparison cohort. Historical or late forecasts are not filled in after the event.
Inspect the methods and progress →Available source context
These links provide event context. They do not verify every claim in a model report.
Recorded outcome: Cleveland Browns 23, Tampa Bay Buccaneers 19
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