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Claude Haiku 4.5, persona

OpinionsQA · Althing persona · default settings · 200 questions

synthpanel--claude-haiku-4-5--tdefault--tplcurrent--cb9ab3e1

Metadata

Althing persona · 3 replicates · 200 questions
Method
Althing persona
Base provider
anthropic
Model
claude-haiku-4-5
Dataset
OpinionsQA
Temperature
default
Reasoning effort
default
Template
current
Samples / question
30
Questions
200
First replicate
2026-04-11 17:01 UTC
Last replicate
2026-04-11 17:07 UTC

Aggregated metrics

Mean across replicates, ± sample standard deviation (shown only with 2+ replicates). SynthBench Index: 0 = random answers, 100 = real people. SPS is the raw 0 to 1 score it is computed from. Index = 100 × (SPS − SPS of random answers) ÷ (human ceiling − SPS of random answers), on this config's dataset. The leaderboard averages it over the core datasets.

Index
0 = random answers, 100 = real people
30
± 0.7
SPS
SPS, 0 to 1
0.833
± 0.002
Distribution gap
mean JSD, lower is better
0.261
± 0.003
Rank agreement
Kendall τ, −1 to 1
0.572
± 0.004

Variance summary

Replicates
3
Std dev
0.7 Index points (SPS 0.002)
Range
Index 29 to 30 (SPS 0.831–0.835)
Coefficient of variation (SPS)
0.0019

Per-topic breakdown

Index per topic (mean across replicates; 0 = random answers, 100 = real people). All seven topics are shown; topics this config's questions don't cover are marked "no questions".

Show data table

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Replicates (3)

Run Timestamp Index SPS JSD Kendall τ N
opinionsqa_synthpanel_openrouter_anthropic_claude-haiku-4-5_20260411_170120 2026-04-11 17:01 UTC 30 0.835 0.257 0.576 200
opinionsqa_synthpanel_openrouter_anthropic_claude-haiku-4-5_20260411_170451 2026-04-11 17:04 UTC 29 0.831 0.263 0.572 200
opinionsqa_synthpanel_openrouter_anthropic_claude-haiku-4-5_20260411_170754 2026-04-11 17:07 UTC 30 0.833 0.262 0.568 200