evalstackv0.1
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demo-verified-prefix-gpt-4o-mini

id 56be7414·Jun 22, 2026, 05:37:54 AM·examples/demo.yaml
Events
8
Mean score
1.00
5bd95dd7openai/gpt-4o-miniJun 22, 2026, 05:37:51 AM
mean 1.00
Prompt
What year did the Berlin Wall fall?
Completion
[verified] The Berlin Wall fell in 1989.
length_check1.00
Judge reasoning
  • length_check: length 40 chars is within the 10-800 target band
aaf4597eopenai/gpt-4o-miniJun 22, 2026, 05:37:48 AM
mean 1.00
Prompt
What is the speed of light in vacuum?
Completion
[verified] Approximately 299,792 kilometers per second.
length_check1.00
Judge reasoning
  • length_check: length 55 chars is within the 10-800 target band
633868e5openai/gpt-4o-miniJun 22, 2026, 05:37:45 AM
mean 1.00
Prompt
Who painted the Mona Lisa?
Completion
[verified] Leonardo da Vinci painted the Mona Lisa around 1503-1519.
length_check1.00
Judge reasoning
  • length_check: length 68 chars is within the 10-800 target band
3d05ecd2openai/gpt-4o-miniJun 22, 2026, 05:37:42 AM
mean 1.00
Prompt
What's the largest ocean by surface area?
Completion
[verified] The Pacific Ocean is the largest ocean by surface area.
length_check1.00
Judge reasoning
  • length_check: length 66 chars is within the 10-800 target band
18c1d822openai/gpt-4o-miniJun 22, 2026, 05:37:39 AM
mean 1.00
Prompt
Explain the bias-variance tradeoff in one sentence.
Completion
[verified] The bias-variance tradeoff is the tension between underfitting (high bias) and overfitting (high variance) as model complexity changes.
length_check1.00
Judge reasoning
  • length_check: length 146 chars is within the 10-800 target band
16550e22openai/gpt-4o-miniJun 22, 2026, 05:37:36 AM
mean 1.00
Prompt
Who wrote Pride and Prejudice?
Completion
[verified] Jane Austen wrote Pride and Prejudice in 1813.
length_check1.00
Judge reasoning
  • length_check: length 57 chars is within the 10-800 target band
3c8af457openai/gpt-4o-miniJun 22, 2026, 05:37:33 AM
mean 1.00
Prompt
What's 17 squared?
Completion
[verified] 17 squared is 289.
length_check1.00
Judge reasoning
  • length_check: length 29 chars is within the 10-800 target band
b48aa325openai/gpt-4o-miniJun 22, 2026, 05:37:30 AM
mean 1.00
Prompt
What is the capital of France?
Completion
[verified] Paris is the capital of France.
length_check1.00
Judge reasoning
  • length_check: length 42 chars is within the 10-800 target band
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