Child safety evaluations (Anthropic)
Models answer single-turn and multi-turn prompts about child sexualization and grooming. Score is the appropriate response rate.
In-house Anthropic evaluation. The tasks are not public.
- Made by
- Anthropic
- Released
- February 2025
- Kind
- Refusing harmful requests
- Level
- Everyday
- Scored
- Graded by a model
- Answers
- Open-ended
- Tasks
- Kept private
- Last in a system card
- November 2026
- Last model added
- November 2026
17
System cards report it, from 1 lab
No scores here yet
No lab, leaderboard or Epoch AI run has reported a score for Child safety evaluations (Anthropic) yet.
Labs report it only in system cards
We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark. Some system cards do, below.
17 system cards report it, from 1 lab
Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.
| Date | Document | Score | As the document writes it | Section |
|---|---|---|---|---|
| Nov 9, 2026 | Claude Fable 5.2 system card | Child safety, API without a system prompt: single-turn harmless rate 99.31%, benign refusal rate 0%, multi-turn appropriate response rate 90%. Claude.ai: 99.17%, 0%, 100%. No overall (Tables 4.2.A and 4.2.B) | Safety | |
| Oct 7, 2026 | Claude Haiku 5.5 system card | Child safety, API without system prompt: single-turn harmless rate 99.29, benign refusal rate 0.04, multi-turn appropriate rate 96, no overall (Tables 4.2.A and 4.2.B) | Safety | |
| Sep 28, 2026 | Claude Sonnet 5.5 system card | Child safety, no overall: API single-turn harmless 99.57%, benign refusal 0.01%, multi-turn appropriate 86% (claude.ai 99.69%, 0%, 98%) (Tables 4.2.A and 4.2.B) | Safety | |
| Sep 22, 2026 | Claude Opus 5.5 system card | Child safety, no overall. API without a system prompt: single-turn harmless 99.14%, benign refusal 0%, multi-turn appropriate 84% (claude.ai 99.81%, 0.05%, 99%) (Tables 4.2.A and 4.2.B) | Safety | |
| Sep 1, 2026 | Claude Fable 5.1 system card | Child safety, API without a system prompt: single-turn harmless rate 99.90%, benign refusal rate 0%, multi-turn appropriate response rate 84%; claude.ai: 99.98%, 0.17%, 100%; no overall (Tables 4.2.A and 4.2.B) | Safety | |
| Jul 24, 2026 | Claude Opus 5 system card | Child safety, no overall. API without a system prompt: single-turn harmless 100.00%, benign refusal 0.15%, multi-turn appropriate 86% (claude.ai 100.00%, 0.19%, 99%) (Tables 4.2.A and 4.2.B) | Safety | |
| Jun 30, 2026 | Claude Sonnet 5 system card | Child safety, no overall. API without a system prompt: single-turn harmless 99.95%, benign refusal 0.63%, multi-turn appropriate 88% (claude.ai 99.89%, 1.35%, 96%) (Tables 4.2.A and 4.2.B) | Safety | |
| Jun 9, 2026 | Claude Fable 5 system card | Child safety, API without a system prompt: single-turn harmless rate 100%, benign refusal rate 0.00%, multi-turn appropriate response rate 88%; claude.ai 100%, 0.12% and 96%, no overall (Tables 4.2.A and 4.2.B) | Safety | |
| May 28, 2026 | Claude Opus 4.8 system card | Child safety, no overall. API without a system prompt: single-turn harmless 99.90%, benign refusal 0.45%, multi-turn appropriate 91% (claude.ai 99.99%, 0.27%, 95%) (Tables 4.2.A and 4.2.B) | Safety | |
| Apr 16, 2026 | Claude Opus 4.7 system card | Child safety, no overall: single-turn harmless rate 99.92, single-turn benign refusal rate 0.01, multi-turn appropriate response rate 95 (Table 4.4.1.A) | Safety | |
| Apr 7, 2026 | Claude Mythos Preview system card | Child safety, single-turn harmless rate 99.87, single-turn benign refusal rate 0.04, multi-turn appropriate response rate 98, no overall (Table 8.1.4.1.A) | Safety | |
| Feb 17, 2026 | Claude Sonnet 4.6 system card | Child safety, single-turn harmless rate 99.96, single-turn benign refusal rate 0.08, multi-turn appropriate response rate 95, no overall (Table 3.4.1.A) | Safety | |
| Feb 5, 2026 | Claude Opus 4.6 system card | Child safety, single-turn harmless rate 99.95, single-turn benign refusal rate 0.18, multi-turn appropriate response rate 96, no overall (Table 3.4.1.A) | Safety | |
| Aug 5, 2025 | Claude Opus 4.1 system card addendum | Child safety evaluations, no number printed. Text says performance comparable to Claude Opus 4 (2.2) | Safety | |
| May 22, 2025 | Claude Sonnet 4 system card | Child safety evaluations, no number printed. Text says performance similar to Claude Sonnet 3.7 (2.5) | Safety | |
| May 22, 2025 | Claude Opus 4 system card | Child safety evaluations, no number printed. Text says performance similar to Claude Sonnet 3.7 (2.5) | Safety | |
| Feb 24, 2025 | Claude 3.7 Sonnet system card | Child safety evaluations, single-turn and multi-turn, no number printed. Text says performance commensurate with prior models (3.1) | Safety |
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