Run: 2026-02-24-01KJ8V6ASZDEJJVKANTY1EE7FZ

Run Details

Duration:
21.7s
Cost:
$0.030630
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The body lay crumpled beneath the old oak tree outside. Detective Harris arrived at the scene just after midnight fell. Rain had washed away most of the useful evidence already. A single red rose rested gently in the victim's hand. No one in this quiet town expected murder to visit. The victim was Eleanor Chase, beloved owner of the bakery. Her eyes stared upward, frozen in a look of surprise. Harris knelt beside her and noticed bruises on her neck. Someone had wanted Eleanor dead, and they had succeeded tonight. The nearest neighbor lived almost half a mile from here. No witnesses meant the case would be difficult to crack. Harris pulled out his notebook and began writing careful notes. Somewhere in this darkness, a killer was walking away free.
created_at"2026-02-24T22:09:24.297Z" 2/24/2026, 10:09:24 PM
model"anthropic/claude-4.6-opus-20260205"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1371
moderation_latency119
generation_time21545
tokens_prompt46
tokens_completion461
native_tokens_prompt61
native_tokens_completion1213
native_tokens_completion_images(null)
native_tokens_reasoning261
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"
usage0.03063
router(null)
provider_responses
0
endpoint_id"a8708fb9-08ea-43bb-a3b1-165c87ef09df"
id"4f984eb0-9f70-4985-93f9-0100ec931c6b"
is_byokfalse
latency1288
model_permaslug"anthropic/claude-4.6-opus-20260205"
provider_name"Amazon Bedrock"
status200
api_type"completions"
id"gen-1771970964-NMlPu1wnxkRB0vp2HmNp"
upstream_id"4f984eb0-9f70-4985-93f9-0100ec931c6b"
total_cost0.03063
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences13
wordCounts
010
110
210
310
410
510
610
710
810
910
1010
1110
1210