MedicalBenchmark
xAI: Grok 4 Fast provider

Grok 4 Fast

85

#85 of 319 models in the general ranking

Cumulative performance across 3 MIR exams

Net score

546.66 pts

Accuracy

93.3%

Correct / Incorrect

560 / 40

Total Cost

$0.41

Overall Performance

(vs. average)
Accuracy

93.3%

avg: 80.6%

Net score

546.66 pts

avg: 453.30 pts

Correct

560

avg: 483

Incorrect

40

avg: 90

Total Cost

$0.41

avg: $9.58

Average response time

8.8s

avg: 17.9s

Output Tokens

713K

avg: 1.3M

Reasoning Tokens

361K

avg: 898K

Average confidence

99.9%

avg: 95.4%

Breakdown by Exam

MIR 2024
119
Correct
185
Incorrect
15
Accuracy
92.5%
Net score
180.00
MIR 2025
58
Correct
186
Incorrect
14
Accuracy
93.0%
Net score
181.33
MIR 2026
89
Correct
189
Incorrect
11
Accuracy
94.5%
Net score
185.33