Run: 2026-10-08-01M4DANXBE6VF7H20PEHBEP3F3

Run Details

Model:
Claude Haiku 5.5 (Adaptive)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
1.6s
Cost:
$0.000063
Provider:
Claude Platform on AWS

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"2026-10-08T08:39:34.006Z" 10/8/2026, 8:39:34 AM
model"anthropic/claude-haiku-5.5-20261007"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1572
moderation_latency(null)
generation_time1572
tokens_prompt74
tokens_completion1
native_tokens_prompt108
native_tokens_completion105
native_tokens_completion_images(null)
native_tokens_reasoning100
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"
usage0.0000633
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791448774-2POvpEDefHXO6wdy9u7n"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791448774-e8HbdmGODWXnqoeQO9zM"
upstream_id"msg_011CfpUAXJ6H1cKGPHSUFeef"
provider_responses
0
endpoint_id"b6cdf493-3a61-441f-a134-e7944fddb980"
id"msg_011CfpUAXJ6H1cKGPHSUFeef"
is_byokfalse
latency1113
model_permaslug"anthropic/claude-haiku-5.5-20261007"
provider_name"Claude Platform on AWS"
status200
total_cost0.0000633
cache_discount(null)
upstream_inference_cost0
provider_name"Claude Platform on AWS"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

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