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Run: 2026-03-18-01KM08PZ48K5PF86S7W7GTKHQZ
Run Details
Model:
GPT-5.4 Nano (Reasoning, Low)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
1.8s
Cost:
$0.000388
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
13.53%
Count dialogue tags
(details)
Model input
User/Human
You are an expert novel writer in the cozy mystery genre. Write a scene of about 200 words, with dialogue between two characters. The dialogue should be unattributed, meaning the speaker is not explicitly mentioned. The scene should be set in a small town bakery. Only return the story, nothing else.
Model response
Messages
Meta
AI
The bell over the door chimed as the last tray slid into the cooling rack. Warm cinnamon hung in the air like a promise, and flour dusted the counter in pale halos around the rolling pin. “Tell me you didn’t do it,”
Mara said
, tapping the order slip with her knuckle. “The cinnamon rolls were in the display case at nine. I watched you carry them in.” “I carried them,”
June replied
, tightening her apron strings. “Then I went to grab more raisins. By the time I came back, the case was empty—and Mr. Haskins was asking questions.” “Questions,” Mara echoed. She leaned closer, lowering her voice. “Like he always does when someone’s missed a meeting.” June’s eyes flicked to the back table where a dark smudge marked the edge of the pastry bag. “It wasn’t me. Besides, you think I’d swap chocolate for cinnamon? The man can’t even say the word ‘pecan’ without sounding angry.” Mara exhaled, turning the slip over. “Someone left that mark. Look—flour, sure, but also… grease.” June crouched by the counter, sniffing carefully. “Motor oil.” Mara straightened, fear mixing with anger. “That’s not baking. That’s sabotage.” She glanced at the front window, where the street glowed with late-afternoon sun. “Now we find who brought the trouble in.”
created_at
"2026-03-18T10:43:54.645Z"
3/18/2026, 10:43:54 AM
model
"openai/gpt-5.4-nano-20260317"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
479
moderation_latency
(null)
generation_time
1626
tokens_prompt
81
tokens_completion
350
native_tokens_prompt
67
native_tokens_completion
300
native_tokens_completion_images
0
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
usage
0.0003884
router
(null)
provider_responses
0
endpoint_id
"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id
"resp_0af4302b4178cb940169ba81eaba6c81938fad67730f74cd77"
is_byok
false
latency
220
model_permaslug
"openai/gpt-5.4-nano-20260317"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773830634-0118wNpDvTavHXOSnj1L"
upstream_id
"resp_0af4302b4178cb940169ba81eaba6c81938fad67730f74cd77"
total_cost
0.0003884
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
13.53%
Count dialogue tags
n/a
neededClean
false
dialogueTags
0
"Mara said"
1
"June replied"