Run: 2026-05-01-01KQHQD6TZRGVJ22YB5HNQ0K0C

Run Details

Model:: Grok 4.20 (Reasoning)
Test:: Data extraction
Scenario:: What's the correct time?
Duration:: 37.3s
Cost:: $0.008448
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

04:00

The clock displays 3:45 and is stated to be 15 minutes behind (slow). Adding 15 minutes to the displayed time yields 4:00, which is the actual time. The final clause in the query text is treated as descriptive confirmation that the offset equals one quarter of an hour (15 min), producing no change to the arithmetic result. The required output format is strictly HH:MM with no additional characters or explanations.

Evaluation details

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