Run: 2026-05-01-01KQHSE1NTWRF3BGABZ5VXSHC7

Run Details

Model:: Grok 4.20 (Reasoning)
Test:: Data extraction
Scenario:: What's the correct time?
Duration:: 56.0s
Cost:: $0.011258
Provider:: xAI

Evaluation summary

Score	Evaluator	Details Link
Fail	Matches Regex	(details)

Model input

User/Human

What is the correct time based on the following text? Only return the time in HH:MM format, nothing else.

The clock shows 3:45. It's 15 minutes slow. The actual time is a quarter past an hour.

Model response

4:00

The clock displays 3:45 and is stated to be 15 minutes behind the true time. Adding 15 minutes to 3:45 yields exactly 4:00, which is the corrected actual time. The final clause supplies a descriptive label but supplies no numeric adjustment and does not alter the arithmetic outcome required by the explicit “15 minutes slow” datum. The requested output format is satisfied by reporting only the resulting HH:MM value.

Evaluation details

Result	Evaluator	Details	Meta Data
Fail	Matches Regex	/\b0?4:15\b/i	n/a