Run: 2026-05-01-01KQHSPH71MGC5A06S0HQY2E0P

Run Details

Duration:
7.9s
Cost:
$0.001773
Provider:
xAI

Evaluation summary

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

Model input

User/Human
What color is Sarah's car based on the following text? Only return the color, nothing else. John owns a blue car. Sarah's car is the same color as the sky on a clear day. Peter's car is red. The sky is not green on a clear day.

Model response

AI
blue The text states that Sarah's car matches the color of the sky on a clear day. It explicitly rules out green ("The sky is not green on a clear day") while separately noting that John owns a blue car. By standard real-world knowledge, the sky on a clear day is blue; the provided negative clause eliminates any potential alternative interpretation (such as green), allowing the direct inference that Sarah's car is therefore blue. No other color satisfies all clauses in the text.
created_at"2026-05-01T12:54:56.997Z" 5/1/2026, 12:54:56 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6575
moderation_latency(null)
generation_time7808
tokens_prompt59
tokens_completion222
native_tokens_prompt180
native_tokens_completion673
native_tokens_completion_images(null)
native_tokens_reasoning576
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"
usage0.0017731
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"8446c293-5c37-2835-92b0-0b879d416bbb"
is_byokfalse
latency74
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777640096-gxQzQ8Fq6X13u8jzKs0q"
session_id(null)
api_type"completions"
id"gen-1777640096-PmgPN01Zl4oojbN0J4Vi"
upstream_id"8446c293-5c37-2835-92b0-0b879d416bbb"
total_cost0.0017731
cache_discount0.0001344
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

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