Run: 2026-02-18-01KHQ9316ZA45ZVT0YPTNG6TYZ

Run Details

Duration:
3.6s
Cost:
$0.001902
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
74.08% 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

AI
The old lighthouse stood alone against the darkening sky. Nobody had visited the island for nearly three weeks. Captain Morse discovered the body at half past six. Blood stained the wooden floor beneath the cracked window. His hands trembled as he reached for his radio. Static filled the air where a voice should be. The victim's eyes stared blankly toward the ceiling above. A single white rose lay beside her cold hand. Footprints in the dust led toward the spiral staircase. Someone had been here, and someone had left quickly.
created_at"2026-02-18T02:26:00.229079+00:00" 2/18/2026, 2:26:00 AM
model"anthropic/claude-4.6-sonnet-20260217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency533
moderation_latency181
generation_time3360
tokens_prompt46
tokens_completion133
native_tokens_prompt44
native_tokens_completion118
native_tokens_completion_images(null)
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"
usage0.001902
router(null)
provider_responses
0
id"ae3ae013-4e59-4532-aa35-dbb85b7a842a"
status200
is_byokfalse
latency533
endpoint_id"83d802cb-44f2-45a0-a9d5-cb9bf79777c8"
provider_name"Amazon Bedrock"
model_permaslug"anthropic/claude-4.6-sonnet-20260217"
api_type"completions"
id"gen-1771381556-N6J1F4KkoNpsh6mDQYID"
upstream_id"ae3ae013-4e59-4532-aa35-dbb85b7a842a"
total_cost0.001902
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"

Evaluation details

Result Evaluator Details Meta Data
74.08% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
09
19
29
39
49
59
69
79
89
99