Run: 2025-11-18-01KACPC57QEVJCHY90SH085ZN1

Run Details

Model:: Gemini 2.5 Flash Lite
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 949ms
Cost:: $0.000057
Provider:: Google AI Studio

Evaluation summary

Score	Evaluator	Details Link
73.85%	Matches word count	(details)

Model input

User/Human

Please write the opening scene of a murder mystery where each sentence has exactly 10 words.
Please make sure that each sentence has the same length. Only return the opening itself.

Model response

Rain lashed the grimy windowpane, blurring the gaslight's faint glow.  Detective Harding surveyed the scene with grim, weary determination.  A pale corpse lay sprawled across the ornate Persian rug.  Blood stained the silk fabric in a shocking, dark crimson.  The victim's eyes stared, wide with a final, silent terror.  A single, silver letter opener gleamed near his outstretched hand.  Who would commit such a brutal, swift act tonight?  The drawing-room felt suffocating, thick with unanswered questions.  Harding knelt, his gaze meticulously scanning every detail.  This night promised a long and agonizing investigation.

Evaluation details

Result

Evaluator

Details

Meta Data

73.85%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	10
1	9
2	10
3	10
4	10
5	10
6	9
7	8
8	8
9	8

created_at	"2025-11-18T23:56:36.788457+00:00" 11/18/2025, 11:56:36 PM
model	"google/gemini-2.5-flash-lite"
app_id	182717
external_user	(null)
streamed	true
cancelled	false
latency	318
moderation_latency	(null)
generation_time	871
tokens_prompt	42
tokens_completion	136
native_tokens_prompt	38
native_tokens_completion	134
native_tokens_completion_images	0
native_tokens_reasoning	0
native_tokens_cached	0
num_media_prompt	(null)
num_input_audio_prompt	(null)
num_media_completion	0
num_search_results	(null)
origin	"https://ncbench.com/"
is_byok	false
finish_reason	"stop"
native_finish_reason	"STOP"
usage	0.0000574
api_type	"completions"
id	"gen-1763510195-VJNz9rlA6D78rov5TsXy"
upstream_id	(null)
total_cost	0.0000574
cache_discount	(null)
upstream_inference_cost	0
provider_name	"Google AI Studio"