Run: 2026-02-08-01KGYYP4XPYMT1968VHKPBK7XM

Run Details

Model:
Claude Haiku 4.5
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
1.0s
Cost:
$0.000093
Provider:
Anthropic

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"2026-02-08T15:42:23.397561+00:00" 2/8/2026, 3:42:23 PM
model"anthropic/claude-4.5-haiku-20251001"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency841
moderation_latency(null)
generation_time898
tokens_prompt62
tokens_completion1
native_tokens_prompt73
native_tokens_completion4
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
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"stop"
usage0.000093
router(null)
provider_responses
0
id"msg_012gHbyzswrXGmQ7YZgKMm9S"
status200
is_byokfalse
latency837
endpoint_id"41d2915a-92e6-4993-b537-210b4e10cba8"
provider_name"Anthropic"
model_permaslug"anthropic/claude-4.5-haiku-20251001"
api_type"completions"
id"gen-1770565342-rtHSd9SvxeNgy8J81VDb"
upstream_id"msg_012gHbyzswrXGmQ7YZgKMm9S"
total_cost0.000093
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

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