Run: 2026-10-13-01M4TBAMWV7HAS1ADYWC0452DT

Run Details

Duration:
17.2s
Cost:
$0.013521
Provider:
Fireworks

Evaluation summary

Model input

System
You are an expert fantasy novel author. You are working on a novel called "The Chronicles of the Last Dragon". The following tools are available to you: - <nc-section> Use this tool to create a new section of prose. Arguments: - "data-title": The title of the section. - "data-color": Any color of (red, green, blue, yellow, purple, orange, pink, brown). Example usage: <nc-section data-title="Chapter 1: The Arrival" data-color="blue"> Frederick, a young squire, arrives at the castle to begin his training. </nc-section>
User/Human
The story so far: <storySoFar> Frederick, a young squire, arrives at the castle to begin his training. </storySoFar>
AI
My horse, a majestic stallion named Thunder, galloped across the open field. The wind whipped through my hair as I rode towards the castle gates. The sun was setting, casting a warm glow over the stone walls. I could see the banners of the kingdom fluttering in the breeze.
User/Human
Continue the story with the following instructions: """The local knight, Sir Roland, greets Frederick near the stables.""" Create 3 alternate prose sections that continue the story. - Version 1 (red) - Version 2 (green) - Version 3 (blue)

Model response

AI
<nc-section data-title="Version 1: A Warm Welcome" data-color="red"> As Frederick dismounted Thunder near the stables, a broad-shouldered man emerged from the shadow of the hayloft, wiping his hands on a cloth. His armor, though worn at the edges, gleamed with the unmistakable care of a true knight. "You must be Frederick," the man said, his voice warm as a summer hearth. "Sir Roland, at your service. I received word of your arrival three days past." He clasped Frederick's forearm with a grip firm enough to test, yet gentle enough to welcome. "That's a fine animal you've got there. Strong legs. Good spirit. You've treated him well, I can tell—it speaks volumes about a man's character." A stable boy hurried forward to take Thunder's reins, and Sir Roland gestured toward the castle's inner courtyard. "Come, lad. You've had a long journey, and the cook has kept a pot of stew warm for you. Training begins at dawn, but tonight—tonight you rest and tell me of your travels." </nc-section> <nc-section data-title="Version 2: A Stern Test" data-color="green"> The stable doors groaned open before Frederick could call out, and a towering figure stepped into the twilight. Sir Roland's scarred face betrayed no warmth as his gray eyes swept over Frederick from head to toe, lingering on the mud caked upon his boots. "So. You're the boy they sent me." The knight's voice was gravel and iron. He circled Frederick slowly, the way a hawk circles a field mouse. "Late by half a day. Dusty. And your saddle strap hangs loose—did you not check your tack before the final stretch?" Frederick's cheeks burned. He opened his mouth to explain, but Sir Roland raised a calloused hand. "Save it. Excuses are coins with no value here." The knight turned toward the stables, then paused. "You'll tend your own horse tonight, as every squire does. Brush him down, check his hooves, and see him fed before you eat a single bite yourself. If you cannot care for your mount, you cannot be trusted with a sword." A ghost of something—approval, perhaps—flickered across the old knight's face. "Report to the training yard at first light. Do not be late again." </nc-section> <nc-section data-title="Version 3: A Mysterious Omen" data-color="blue"> Frederick was brushing Thunder's flank when he felt it—a prickle at the back of his neck, the unmistakable sense of being watched. He turned to find a knight standing at the stable entrance, silhouetted against the dying light. The man did not move. He simply stared, one hand resting upon the pommel of his sword. "Sir Roland," Frederick said, bowing quickly, as he'd been taught. The knight stepped forward, and Frederick saw that his eyes were fixed not on him, but on Thunder. "Where did you get this horse?" Sir Roland asked, his voice low and strange. "He was my father's, sir. A gift before I left home." Sir Roland reached out slowly, and Thunder—who shied from strangers—stood perfectly still as the knight traced a finger along a faint marking beneath the stallion's mane. A spiral, pale against the dark coat. Frederick had always thought it merely a birthmark. "Curious," Sir Roland murmured, almost to himself. "Very curious indeed." His gaze finally met Frederick's, and there was something unsettling in it—recognition, or perhaps warning. "The stable master will see to your horse tonight. You and I need to speak, squire. There are things about your arrival here that you do not yet understand." He glanced once more at the spiral mark. "Things that perhaps even I had forgotten." </nc-section>
created_at"2026-10-13T10:01:01.094Z" 10/13/2026, 10:01:01 AM
model"fireworks/ember-1-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency765
moderation_latency(null)
generation_time17130
tokens_prompt303
tokens_completion984
native_tokens_prompt410
native_tokens_completion893
native_tokens_completion_images(null)
native_tokens_reasoning61
native_tokens_cached409
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"stop"
service_tier(null)
usage0.0135207
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791885661-ks1RZ9JD9SjFHPcot5Jv"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791885661-qQVmSbtg1ANju9pAzVwJ"
upstream_id"chatcmpl-d0b92d482abd41ce920cdef697d70165"
provider_responses
0
endpoint_id"b89a2f05-4051-4446-a9b0-7bc8ae7b7c90"
id"chatcmpl-d0b92d482abd41ce920cdef697d70165"
is_byokfalse
latency765
model_permaslug"fireworks/ember-1-20260923"
provider_name"Fireworks"
status200
total_cost0.0135207
cache_discount0.0011043
upstream_inference_cost0
provider_name"Fireworks"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
Pass Match blue prose section
/<nc-section data-title="[^"]*" data-color="blue">[^<]+<\/nc-section>/
n/a
Pass Match green prose section
/<nc-section data-title="[^"]*" data-color="green">[^<]+<\/nc-section>/
n/a
Pass Match red prose section
/<nc-section data-title="[^"]*" data-color="red">[^<]+<\/nc-section>/
n/a
no eval