Run: 2026-07-01-01KWE9EAFXD4K95NE59J9Z1H95

Run Details

Duration:
13.3s
Cost:
$0.014210
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
100.00% 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 fell hard on Cedarwood. The town slept, unaware still. Detective Hale walked the street. Something felt wrong that night. A scream broke the silence. Lights flickered inside the mansion. Hale quickened his tired pace. The door stood slightly open. Inside, shadows danced on walls. A body lay near fire. Blood pooled dark on marble. Hale knelt beside the victim. Her eyes stared into nothing. Someone had silenced her forever. The killer left no trace. Only questions filled the room. Hale exhaled, gripping his notebook. The investigation had just begun.
created_at"2026-07-01T07:31:36.585Z" 7/1/2026, 7:31:36 AM
model"anthropic/claude-sonnet-5-20260630"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4395
moderation_latency(null)
generation_time13249
tokens_prompt46
tokens_completion229
native_tokens_prompt60
native_tokens_completion1409
native_tokens_completion_images(null)
native_tokens_reasoning89
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
service_tier"default"
usage0.01421
router(null)
provider_responses
0
endpoint_id"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id"msg_01AuRadoez7KzUoKz8iTkX7F"
is_byokfalse
latency1932
model_permaslug"anthropic/claude-sonnet-5-20260630"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.17.0; linux; x64))"
http_referer(null)
request_id"req-1782891096-DaOIzulI4qyqOcJdZcKH"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782891096-QR4PYoGt84CZd4YsoWlx"
upstream_id"msg_01AuRadoez7KzUoKz8iTkX7F"
total_cost0.01421
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences18
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175