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Run: 2026-03-12-01KKHZQ26WD56XVY4Y8WZJFJNF
Run Details
Model:
Grok 4.20 (Beta, Reasoning)
Test:
Dialogue tags
Scenario:
Write 200 words with 50% dialogue
Duration:
28.3s
Cost:
$0.045990
Provider:
xAI
Evaluation summary
Score
Evaluator
Details Link
81.27%
Matches word count
(details)
99.99%
Dialogue to Total Word Ratio
(details)
90.6324%
Overall
Model input
User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 50% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
Molly crouched behind the bushes with Bill, watching the children's party with a mix of excitement and trepidation. The backyard was filled with laughing kids, games, and a massive pile of wrapped presents on a table. They had staked out the location for days to ensure the timing was right for their comedic heist. "Bill, stealing from kids at a party seems really low even for us?" Molly said. "Think of it as early redistribution of wealth to our pockets," Bill responded. "But all those toys and games for the children," she protested. "We'll be quick like Santa but in reverse taking them away," he said. "How do we blend in with the crowd?" Molly inquired. "Wear clown costumes and juggle for the kids," Bill advised. "I can't juggle at all without dropping everything," Molly complained loudly. "Learn fast or distract with jokes instead," he replied. "What if we get caught by the parents or kids?" she asked worriedly. "The kids will love the show we put on," Bill insisted. "Alright, let's do it before I change my mind completely," Molly concluded. The two thieves prepared their disguises, knowing that this heist would either make them legends in the criminal world or the laughingstock of the entire town if it went wrong.
created_at
"2026-03-12T21:37:18.562Z"
3/12/2026, 9:37:18 PM
model
"x-ai/grok-4.20-beta-20260309"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
27460
moderation_latency
(null)
generation_time
28074
tokens_prompt
77
tokens_completion
309
native_tokens_prompt
184
native_tokens_completion
7642
native_tokens_completion_images
0
native_tokens_reasoning
7378
native_tokens_cached
128
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
0.0459896
router
(null)
provider_responses
0
endpoint_id
"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id
"7d7d48a9-7843-d3a1-e1a8-11012902d43b"
is_byok
false
latency
287
model_permaslug
"x-ai/grok-4.20-beta-20260309"
provider_name
"xAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773351438-NrcBxZ8KxOVb4acEz5NG"
upstream_id
"7d7d48a9-7843-d3a1-e1a8-11012902d43b"
total_cost
0.0459896
cache_discount
0.0002304
upstream_inference_cost
0
provider_name
"xAI"
Evaluation details
Result
Evaluator
Details
Meta Data
81.27%
Matches word count
n/a
neededClean
false
words
212
99.99%
Dialogue to Total Word Ratio
Ratio: 49.06%, Deviation: 0.94%
neededClean
false
wordsTotal
212
wordsDialogue
104
90.6324%