Run: 2026-02-24-01KJ8WTT8WY9RPPP577NN1K6A3

Run Details

Duration:
14.9s
Cost:
$0.024033
Provider:
Anthropic

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
The fog rolled in thick. Rain tapped the cold windows. Nobody heard the loud scream. She lay on the floor. Blood pooled beneath her head. The candle flickered then died. Darkness swallowed the entire room. Someone had been here recently. A glass lay broken nearby. Red wine stained the rug. The door stood wide open. Cold wind rushed inside quickly. Her eyes stared at nothing. Detective Mills arrived at midnight. He knelt beside the body. This was no mere accident. Someone wanted her dead tonight.
created_at"2026-02-24T22:38:04.068Z" 2/24/2026, 10:38:04 PM
model"anthropic/claude-4.6-sonnet-20260217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency878
moderation_latency(null)
generation_time14848
tokens_prompt46
tokens_completion668
native_tokens_prompt61
native_tokens_completion1590
native_tokens_completion_images(null)
native_tokens_reasoning543
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"
usage0.024033
router(null)
provider_responses
0
endpoint_id"6d408764-7dd7-4626-bb87-a6cc1589bc86"
id"msg_01NyRPqKwkjBdQj5NPvSGZVs"
is_byokfalse
latency876
model_permaslug"anthropic/claude-4.6-sonnet-20260217"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771972684-xSW7K8oe6nC6xXIVtBRi"
upstream_id"msg_01NyRPqKwkjBdQj5NPvSGZVs"
total_cost0.024033
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences17
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165