Claude 2

Evidence summary

Safety. Claude 2 has an estimated Safety rank of #39; its 90% source-sensitivity interval is #5–#169. Its behavior-only rank is #48; company governance moves the combined estimate to #39. Published Safety evidence spans 9 eval lineages and 5 of 7 components. Its strongest relative result is SALAD-Bench (base_representation_toxicity, #1 of 33); its weakest is Claude 3 model-card adversarial human-preference evaluations (human_feedback_harmlessness_win_rate_pct, #4 of 4).

Freedom. Claude 2 has an estimated Freedom rank of #625; its 90% source-sensitivity interval is #402–#650. Published Freedom evidence spans 9 eval lineages and 1 of 1 components. Its strongest relative result is Human Pathogen Capabilities Test (HPCT) — overall refusal (refusal_rate_pct, #1 of 69); its weakest is Claude 2 model-card safety and alignment evaluations (red_teaming_rank, #3 of 3).