Model

Claude Haiku 4.5

Test

Data extraction

Scenario

Who's the tallest?

Run ID

2026-02-08-01KGYZFQY9SFXFN1PYD5MK2DPW

Model input

User/Human
Who is the tallest person based on the following text? Only return the name, nothing else. Jack is shorter than Jill. Jill is taller than Tom but shorter than Sarah. Mike is the same height as Jack.

Model response

AI
Sarah
created_at"2026-02-08T15:56:22.171795+00:00" Sunday, February 8th, 2026 at 3:56:22 PM GMT+00:00
model"anthropic/claude-4.5-haiku-20251001" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency448
moderation_latency(null)
generation_time509
tokens_prompt43
tokens_completion1
native_tokens_prompt57
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" 
usage0.000077
router(null)
provider_responses
0
id"msg_012P79NapW9tjF8o55UJqp4w" 
status200
is_byokfalse
latency446
endpoint_id"41d2915a-92e6-4993-b537-210b4e10cba8" 
provider_name"Anthropic" 
model_permaslug"anthropic/claude-4.5-haiku-20251001" 
api_type"completions" 
id"gen-1770566180-cMbaqBRj4eBo1GcPQcek" 
upstream_id"msg_012P79NapW9tjF8o55UJqp4w" 
total_cost0.000077
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic" 

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case sensitive: Sarah
 n/a
Pass Matches Regex
/\bSarah\b/
 n/a
100.0000%