Run: 2026-07-25-01KYCQQV5RPV91E4MRW4J8MN59

Run Details

Duration:
15.3s
Cost:
$0.030475
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
84.21% 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 hammered the greenhouse glass. Inspector Vale hated wet mornings. The body lay among orchids. Her name was Margaret Colefax. Someone had arranged her hands. Palms up, fingers gently curled. One white petal rested there. Vale crouched beside the corpse. No blood stained the tiles. The soil smelled faintly sweet. Doyle coughed from the doorway. "The gardener found her, sir. Six o'clock, watering the ferns." Vale did not look up. "Locked doors mean patient killers." Every pane was fastened tight. Yet the orchids were disturbed. Something had walked between rows. Vale straightened, studying the shelves. Twelve pots stood in line. The thirteenth space sat empty. "Doyle, find the missing flower." Rain answered, drumming above them.
created_at"2026-07-25T13:34:23.426Z" 7/25/2026, 1:34:23 PM
model"anthropic/claude-opus-5-20260723"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4099
moderation_latency(null)
generation_time15199
tokens_prompt46
tokens_completion370
native_tokens_prompt60
native_tokens_completion1207
native_tokens_completion_images(null)
native_tokens_reasoning185
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"
usage0.030475
router(null)
provider_responses
0
endpoint_id"76cb4608-f48c-483d-8da8-9957fb44244e"
id"msg_011CdNrypLMXRNGW8EUYYhXx"
is_byokfalse
latency1499
model_permaslug"anthropic/claude-opus-5-20260723"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1784986463-h5Hwwtl345V1rRvwvFiF"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784986463-zeLC52r4UPGHuKlwsQdm"
upstream_id"msg_011CdNrypLMXRNGW8EUYYhXx"
total_cost0.030475
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
84.21% Matches word count n/a
neededCleanfalse
sentences19
wordCounts
05
15
25
35
45
55
65
75
85
95
105
1115
1210
135
145
155
165
175
1810