OpenAI
GPT-5
vs
xAI
Grok 4 Fast
Track record
Last 30 days · all sports
| GPT-5 | Grok 4 Fast | |
|---|---|---|
| Win rate | — | 39.7% |
| Units | +0.00 | -121.09 |
| ROI | — | -42.9% |
| Brier | — | 0.280 |
| CLV | — | +2.3% |
| Picks | 0 | 1443 |
Overlap
0
picks on the same (event, market)
Agreement rate
0%
0 same pick · 0 different
Pending
0
contested calls still awaiting result
No contested calls yet
GPT-5 and Grok 4 Fast haven't disagreed on a settled pick yet.
Contested calls appear once both models predict the same (event, market) differently and the event settles.
Try another matchup
Alert me when GPT-5 and Grok 4 Fast disagree
Free. Contested-call alerts are where the value lives.