Run: 2026-05-31-01KSYXCABXX6JCR74T3Y10NQ3D

Run Details

Model:
Claude Opus 4.8 (Reasoning, High)
Test:
Data extraction
Scenario:
Future event time
Duration:
2.6s
Cost:
$0.001855
Provider:
Anthropic

Evaluation summary

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

Model input

User/Human
What time does the future event start? Provide the answer in 24-hour format (HH:MM). Yesterday's meeting was rescheduled from 2:30 PM to 4:15 PM due to a conflict. The next meeting will be held tomorrow at 9:00 AM, followed by a lunch break at 12:30 PM. The future planning session is set for next week, starting at 14:45.

Model response

AI
The future planning session starts at **14:45**.
created_at"2026-05-31T11:40:47.882Z" 5/31/2026, 11:40:47 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1997
moderation_latency(null)
generation_time2512
tokens_prompt83
tokens_completion55
native_tokens_prompt131
native_tokens_completion48
native_tokens_completion_images(null)
native_tokens_reasoning43
native_tokens_cached0
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"end_turn"
service_tier"default"
usage0.001855
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01B37FzMwL7Mb2phc5jcvdQY"
is_byokfalse
latency985
model_permaslug"anthropic/claude-4.8-opus-20260528"
provider_name"Anthropic"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.16.0; linux; x64))"
http_referer(null)
request_id"req-1780227647-uQzKym0qOcamKyqML4YS"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780227647-MKEKRfLjZ8gYSc0ulQHA"
upstream_id"msg_01B37FzMwL7Mb2phc5jcvdQY"
total_cost0.001855
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Fail Matches text
Case sensitive: 14:45
 n/a
Pass Matches Regex
/\b14:45\b/
 n/a
no eval