Run: 2025-11-18-01KACP7YEPA4BC6B4K0H9GPW8H

Run Details

Model:
Gemini 2.5 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
874ms
Cost:
$0.000176
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
63.59% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain lashed window. She lay there. Not moving. A crimson stain bloomed. Her breath left her. Cold gripped the room now. Fear took hold instantly. The phone rang shrill. It was him calling. His voice was calm. This was not right. Something felt quite wrong. A new dread rose swift.
created_at"2025-11-18T23:54:19.04853+00:00" 11/18/2025, 11:54:19 PM
model"google/gemini-2.5-flash"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency394
moderation_latency(null)
generation_time834
tokens_prompt42
tokens_completion67
native_tokens_prompt37
native_tokens_completion66
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"STOP"
usage0.0001761
api_type"completions"
id"gen-1763510057-TZBhnsxtcwrcz2PcCpvZ"
upstream_id(null)
total_cost0.0001761
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
63.59% Matches word count n/a
neededCleanfalse
sentences13
wordCounts
03
13
22
34
44
55
64
74
84
94
104
114
125