Run: 2026-05-29-01KSSK7XBA8D4WXZ3ER63GAE9D

Run Details

Model:
Claude Opus 4.8 (Reasoning)
Test:
Voice/dialogue sheets
Scenario:
Simple
Duration:
2.7s
Cost:
$0.003405
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
Pass Matches Regex (details)

Model input

System
You are an editor for novels. Whenever given text, you will extract the contained dialogue as a voice sheet in the following format: Speaker: "Dialogue"
User/Human
“What a curious feeling!” said Alice; “I must be shutting up like a telescope.” “Not like cats!” cried the Mouse, in a shrill, passionate voice. “Would you like cats if you were me?” “Come, there’s no use in crying like that!” said Alice to herself, rather sharply; “I advise you to leave off this minute!”

Model response

AI
Alice: "What a curious feeling! I must be shutting up like a telescope." Mouse: "Not like cats! Would you like cats if you were me?" Alice: "Come, there's no use in crying like that! I advise you to leave off this minute!"
created_at"2026-05-29T10:07:25.557Z" 5/29/2026, 10:07:25 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2444
moderation_latency(null)
generation_time2673
tokens_prompt132
tokens_completion85
native_tokens_prompt176
native_tokens_completion101
native_tokens_completion_images(null)
native_tokens_reasoning26
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"
usage0.003405
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_013ZC8r2zugmAdpfR4eiyQbB"
is_byokfalse
latency1242
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-1780049245-v9dosmeY4ui2Ni58HEld"
session_id(null)
api_type"completions"
id"gen-1780049245-8AVqg1xfryUnjksoV9dM"
upstream_id"msg_013ZC8r2zugmAdpfR4eiyQbB"
total_cost0.003405
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Pass Matches Regex
/Alice: ["“”]What a curious feeling! I must be shutting up like a telescope\.["“”]\s+Mouse: ["“”]Not like cats! Would you like cats if you were me\?["“”]\s+Alice: ["“”]Come, there['‘’]s no use in crying like that! I advise you to leave off this minute!["“”]/
 n/a