Run: 2026-09-10-01M25DDCSM8Z5VWBP6W2AZFV6E

Run Details

Duration:
1.0s
Cost:
$0.000064
Provider:
DeepSeek

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"2026-09-10T10:22:01.53Z" 9/10/2026, 10:22:01 AM
model"deepseek/deepseek-v4.1-flash-20260910"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency658
moderation_latency(null)
generation_time985
tokens_prompt74
tokens_completion84
native_tokens_prompt92
native_tokens_completion83
native_tokens_completion_images(null)
native_tokens_reasoning80
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"stop"
service_tier(null)
usage0.0000636
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1789035721-5owiztr1M7BlE0T49yqJ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1789035721-1VPwEPRRky6v8WP32aqr"
upstream_id"67a811cf-6826-4063-bccf-41b582f5125c"
provider_responses
0
endpoint_id"fd104bc8-535a-4d31-a847-a8e402e86a02"
id"67a811cf-6826-4063-bccf-41b582f5125c"
is_byokfalse
latency338
model_permaslug"deepseek/deepseek-v4.1-flash-20260910"
provider_name"DeepSeek"
status200
total_cost0.0000636
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
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