Run: 2026-07-01-01KWE9NBS8KX833F6XDRG2Z8H3

Run Details

Duration:
12.6s
Cost:
$0.009190
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 Marlowe. The old house stood silent. Blood pooled near the fireplace. Nobody heard the loud scream. Detective Kane arrived just after. He noticed the broken window. A knife lay on carpet. The victim's eyes stayed open. Something felt deeply wrong here. The clock had stopped completely. Kane lit a slow cigarette. This case would haunt him.
created_at"2026-07-01T07:35:27.284Z" 7/1/2026, 7:35:27 AM
model"anthropic/claude-sonnet-5-20260630"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency8140
moderation_latency(null)
generation_time12564
tokens_prompt46
tokens_completion162
native_tokens_prompt60
native_tokens_completion907
native_tokens_completion_images(null)
native_tokens_reasoning64
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"
usage0.00919
router(null)
provider_responses
0
endpoint_id"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id"msg_012HVjX3v55iAx55E1MHvX9a"
is_byokfalse
latency5343
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-1782891327-0296awDIZJTvKFxs1oBZ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782891327-r0ZrThjiIFDCxLqlHNdT"
upstream_id"msg_012HVjX3v55iAx55E1MHvX9a"
total_cost0.00919
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
sentences12
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115