Run: 2026-07-09-01KX41FQCZ520PDA6T012XVHM1

Run Details

Duration:
1.9s
Cost:
$0.001378
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
78.40% 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
Rain hammered Blackthorn Manor as guests arrived for dinner. Detective Mara Vale noticed muddy footprints beneath the ballroom windows. At midnight, the lights failed, swallowing laughter and music. When candles flared, Lord Blackthorn lay dead beside champagne. A silver letter opener protruded neatly from his chest. Nobody moved except the clock, counting seconds toward accusation.
created_at"2026-07-09T18:15:51.463Z" 7/9/2026, 6:15:51 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency954
moderation_latency(null)
generation_time1785
tokens_prompt46
tokens_completion103
native_tokens_prompt41
native_tokens_completion85
native_tokens_completion_images0
native_tokens_reasoning0
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"completed"
service_tier"default"
usage0.0013775
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_0805558756a5af0b016a4fe5578ee48196869bcaebd94a12b4"
is_byokfalse
latency238
model_permaslug"openai/gpt-5.6-terra-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620951-QUtPRJxQ9BjXY3wiCT7h"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620951-rFRKWt9iaX1lPIqxgVw4"
upstream_id"resp_0805558756a5af0b016a4fe5578ee48196869bcaebd94a12b4"
total_cost0.0013775
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
78.40% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
09
110
29
39
49
59