Run: 2026-02-20-01KHY8Z3YPCD7RWV9JPCBPWVGD

Run Details

Model:: Grok 4.1 Fast
Test:: N-Length Sentences
Scenario:: Write sentences with 20 words each
Duration:: 13.3s
Cost:: $0.000534
Provider:: xAI

Evaluation summary

Score	Evaluator	Details Link
2.53%	Matches word count	(details)

Model input

User/Human

Please write the opening scene of a murder mystery where each sentence has exactly 20 words.
Please make sure that each sentence has the same length. Only return the opening itself.

Model response

Fog enveloped Blackwood Manor where ten guests arrived for Sir Reginald's infamous annual dinner party tonight.

Lightning flashed across the stormy sky as thunder crashed like ominous warnings of impending doom and death.

Crystal glasses clinked in the candlelit dining hall filled with whispers of jealousy, greed, and hidden motives.

Sir Reginald raised his goblet high, toasting success amid laughter masking tensions from long-buried family grudges.

Suddenly, a piercing scream shattered the merriment when Lady Eleanor discovered the host slumped lifeless over his plate.

Blood pooled beneath his chair from a single stab wound hidden cleverly by the crisp white tablecloth.

Guests froze in horror as shadows danced wildly on walls from flickering flames of shocked candlelight everywhere.

Inspector Hargrove burst through the creaking oak doors, his keen eyes scanning the frozen tableau of suspects.

Evaluation details

Result

Evaluator

Details

Meta Data

2.53%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	16
1	17
2	17
3	17
4	18
5	17
6	17
7	17