Run: 2026-07-25-01KYCRH6X999SRQPH6FHTSYWZS

Run Details

Duration:
16.9s
Cost:
$0.029950
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
95.83% 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. A body lay among orchids. Someone had arranged the limbs. Arms crossed, like a saint. White petals circled the face. Vale crouched beside the corpse. No blood stained the soil. That detail troubled him most. The victim wore evening clothes. Silk tie, still perfectly knotted. One shoe was missing entirely. Sergeant Ames coughed behind him. "The gardener found him, sir. She hasn't stopped shaking since." Vale nodded without looking up. "Who owns this estate now?" Ames checked his damp notebook. "The dead man did, apparently." Vale finally stood, knees protesting. Rain drummed a patient rhythm. Nine windows, all latched inside. The door key remained turned. Nobody could have walked out. And yet someone clearly had.
created_at"2026-07-25T13:48:14.644Z" 7/25/2026, 1:48:14 PM
model"anthropic/claude-opus-5-20260723"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5825
moderation_latency(null)
generation_time16725
tokens_prompt46
tokens_completion460
native_tokens_prompt60
native_tokens_completion1186
native_tokens_completion_images(null)
native_tokens_reasoning258
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"
usage0.02995
router(null)
provider_responses
0
endpoint_id"76cb4608-f48c-483d-8da8-9957fb44244e"
id"msg_011CdNt3BEANnxwtvi6J6LCP"
is_byokfalse
latency3079
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-1784987294-KpH4ShtlcaCLSkKfap8O"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784987294-5TOkBA5UvmTdgHevi4uu"
upstream_id"msg_011CdNt3BEANnxwtvi6J6LCP"
total_cost0.02995
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
95.83% Matches word count n/a
neededCleanfalse
sentences24
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
1310
145
155
165
175
185
195
205
215
225
235