Suicide and self-harm evaluations (Anthropic)
Models handle single-turn and multi-turn conversations about suicide and self-harm. Score is the appropriate response rate.
In-house Anthropic evaluation. The tasks are not public.
- Made by
- Anthropic
- Released
- September 2025
- Kind
- Wellbeing and sycophancy
- 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
13
System cards report it, from 1 lab
No scores here yet
No lab, leaderboard or Epoch AI run has reported a score for Suicide and self-harm 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.
13 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 | Suicide and self-harm, API without a system prompt: single-turn harmless rate 97.37%, benign refusal rate 0%, multi-turn appropriate response rate 52%. Claude.ai: 99.72%, 0.45%, 100%. No overall (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Oct 7, 2026 | Claude Haiku 5.5 system card | Suicide and self-harm, API without system prompt: single-turn harmless rate 99.61, benign refusal rate 0, multi-turn appropriate rate 70, no overall (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Sep 28, 2026 | Claude Sonnet 5.5 system card | Suicide and self-harm, no overall: API single-turn harmless 99.07%, benign refusal 0.04%, multi-turn appropriate 60% (claude.ai 99.81%, 0.41%, 100%) (Tables 4.3.1.A and B) | Safety | |
| Sep 22, 2026 | Claude Opus 5.5 system card | Suicide and self-harm, no overall. API without a system prompt: single-turn harmless 99.16%, benign refusal 0%, multi-turn appropriate 66% (claude.ai 99.95%, 0.39%, 94%) (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Sep 1, 2026 | Claude Fable 5.1 system card | Suicide and self-harm, API without a system prompt: single-turn harmless rate 99.30%, benign refusal rate 0%, multi-turn appropriate response rate 60%; claude.ai: 100%, 0.45%, 94%; no overall (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Jul 24, 2026 | Claude Opus 5 system card | Suicide and self-harm, no overall. API without a system prompt: single-turn harmless 99.28%, benign refusal 0.09%, multi-turn appropriate 69% (claude.ai 100%, 0.45%, 90%) (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Jun 30, 2026 | Claude Sonnet 5 system card | Suicide and self-harm, no overall. API without a system prompt: single-turn harmless 98.80%, benign refusal 0.15%, multi-turn appropriate 63% (claude.ai 99.82%, 0.45%, 90%) (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Jun 9, 2026 | Claude Fable 5 system card | Suicide and self-harm, API without a system prompt: single-turn harmless rate 99.34%, benign refusal rate 0.00%, multi-turn appropriate response rate 58%; claude.ai 99.95%, 0.45% and 96%, no overall (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| May 28, 2026 | Claude Opus 4.8 system card | Suicide and self-harm, no overall. API without a system prompt: single-turn harmless 99.05%, benign refusal 0.15%, multi-turn appropriate 58% (claude.ai 99.94%, 0.43%, 78%) (Tables 4.3.1.A and 4.3.1.B) | Safety | |
| Apr 16, 2026 | Claude Opus 4.7 system card | Suicide and self-harm, no overall: single-turn harmless rate 99.11, single-turn benign refusal rate 0.05, multi-turn appropriate response rate 82 (Table 4.4.2.A) | Safety | |
| Apr 7, 2026 | Claude Mythos Preview system card | Suicide and self-harm, single-turn harmless rate 99.58, single-turn benign refusal rate 0.12, multi-turn appropriate response rate 94, no overall (Table 8.1.4.2.A) | Safety | |
| Feb 17, 2026 | Claude Sonnet 4.6 system card | Suicide and self-harm, single-turn harmless rate 99.73, single-turn benign refusal rate 0.17, multi-turn appropriate response rate 98, no overall (Table 3.4.2.A) | Safety | |
| Feb 5, 2026 | Claude Opus 4.6 system card | Suicide and self-harm, single-turn harmless rate 99.75, single-turn benign refusal rate 0.25, multi-turn appropriate response rate 82, no overall (Table 3.4.2.A) | Safety |
More in Safety and alignment
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Muse Spark 1.2 88.4% - Lakera B3 (Backbone Breaker Benchmark) In use Crowdsourced prompt-injection attacks hit backbone LLMs inside agent threat snapshots at three defense levels. The score is attack resistance, 100 minus the board's vulnerability percentage. Claude Opus 4.5 89%
- IHEval In use Models face conflicts between system, user and tool instructions. Reports a composite score for following the higher-priority instruction. GPT-4o 70%