Run: 2026-02-20-01KHY8Z9HPTVRF9FAQYX8PN5PV

Run Details

Model:
Grok 4 Fast
Test:
Data extraction
Scenario:
All valid emails
Duration:
3.2s
Cost:
$0.000156
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Pass Contains a list of texts (details)

Model input

User/Human
Extract all valid email addresses from the text. Return them in a comma-separated list without spaces. Contact information: 1. John Doe - john.doe@example.com 2. Jane Smith - jane@smith-family.net 3. support@company.co.uk 4. info@subdomain.example.org 5. Invalid email: not.an.email.com 6. Another invalid: @missing-username.com

Model response

AI
john.doe@example.com,jane@smith-family.net,support@company.co.uk,info@subdomain.example.org
created_at"2026-02-20T19:38:34.948Z" 2/20/2026, 7:38:34 PM
model"x-ai/grok-4-fast"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3169
moderation_latency(null)
generation_time3169
tokens_prompt89
tokens_completion23
native_tokens_prompt238
native_tokens_completion262
native_tokens_completion_images0
native_tokens_reasoning238
native_tokens_cached152
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0001558
router(null)
provider_responses
0
endpoint_id"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id"8573e3bc-477b-4b2d-4dfd-5eae48d597ae"
is_byokfalse
latency2047
model_permaslug"x-ai/grok-4-fast"
provider_name"xAI"
status200
api_type"completions"
id"gen-1771616314-b7aqm2pb1Be6Pe89zpn8"
upstream_id"8573e3bc-477b-4b2d-4dfd-5eae48d597ae"
total_cost0.0001558
cache_discount0.0000228
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
Pass Contains a list of texts
john.doe@example.com jane@smith-family.net support@company.co.uk info@subdomain.example.org
john.doe@example.comtrue
jane@smith-family.nettrue
support@company.co.uktrue
info@subdomain.example.orgtrue