Brady Sanders pulled Texas (9-4) within 61-55 with 1:03 remaining but Oklahoma State went 6 of 6 from the free-throw line, including four by Bias, in the final 51 seconds to hold off the Longhorns.
The Cowgirls (12-0) are off to the best start in school history after winning 11 straight to start last season.
Oklahoma State came into the game as the national leader in field-goal percentage defense (30.4) and was second in 3-point field-goal percentage (21.1). Texas made 23 of 60 (38.3 percent) from the floor and 2 of 18 (11.1 percent) from 3-point range while committing 17 turnovers.
Liz Donohoe scored 17 points and grabbed 10 rebounds, moving into 14th place on the OSU all-time rebounding list.
- No. 13 Stanford women beat Purdue in OT, 71-65 at Gulf Coast
- Dayton upsets No. 22 Louisville at Gulf Coast Showcase 79-66
- Higgs helps No. 8 Texas defeat No. 4 Lady Vols 64-53
- Grant leads St. John's to 74-70 win over South Florida
- Jones helps No. 6 Maryland rout Pittsburgh 70-49
- No. 21 Oklahoma women defeat Boston College 76-61
- Cable helps No. 3 Notre Dame beat UCLA 92-84 in overtime
- No. 2 South Carolina beats Cal State Bakersfield 90-71
- Dornstauder leads No. 16 Arizona St. past Bakersfield 60-47
- No. 8 Mississippi St. beats Savannah St. 92-25
- High-profile mid-major home games more common with women
- No. 12 Kentucky women cruise past Jackson State 92-24
- No. 16 Arizona State women run away from Hawaii, 75-49
- No. 19 Northwestern women beat East Carolina 78-75
- Purdue women edge No. 22 Louisville 62-60
- No. 23 Syracuse women pull away from Fordham 76-54