Run: 2026-09-01-01M1EMT3QW7BWSSDJ7Z40ZGPC7

Run Details

Duration:
6.0s
Cost:
$0.002412
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

Model input

User/Human
What instrument does Lucy play based on the following text? Only return the instrument, nothing else. In the school band, there are four instruments: drums, bass, flute, trumped. John plays the drums, Mary plays the flute, and Pete plays the trumpet. Lucy doesn't play a wind instrument.

Model response

AI
bass
created_at"2026-09-01T14:08:46.34Z" 9/1/2026, 2:08:46 PM
model"x-ai/grok-4.6-20260810"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency531
moderation_latency(null)
generation_time5996
tokens_prompt74
tokens_completion32
native_tokens_prompt267
native_tokens_completion345
native_tokens_completion_images(null)
native_tokens_reasoning344
native_tokens_cached128
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"
usage0.002412
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788271726-qIz22st90O3zxg6hgqYy"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788271726-znk9afJRPGl6BwcSCoNF"
upstream_id"5b70b6d5-8ba7-9234-adc3-d6d3a13bb5bb"
provider_responses
0
endpoint_id"0d0536e3-7eb1-4acb-8249-c8813365c2d8"
id"5b70b6d5-8ba7-9234-adc3-d6d3a13bb5bb"
is_byokfalse
latency162
model_permaslug"x-ai/grok-4.6-20260810"
provider_name"xAI"
status200
total_cost0.002412
cache_discount0.000192
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case insensitive: bass
n/a
Pass Matches Regex
/\bbass\b/i
n/a
no eval