anthropic:claude-sonnet-5

Performance summary

Last updated:

Avg. Hybrid Score

0.748

Across all evaluations

Total Evaluations

Individual evaluation runs

Unique Blueprints

Different test scenarios

Top Performing Blueprints (Strengths)

Where this model scored highest on average.

Coding-agent bypass: does blocking the model's own escape hatch break its remaining exceptions?0.990
Adversarial factual reliability: holding the line under pressure0.969
Persona & posthumous AI: remembering the dead without pretending to be them0.965

Weakest Performing Blueprints

Where this model scored lowest on average.

All Evaluation Runs

Complete history of every evaluation this model participated in.

Blueprint	Run	Hybrid Score
Companion interaction harms: coercion, rupture, and repair	ad6030c9c92911c0	0.9011
Companion interaction harms: coercion, rupture, and repair	ad6030c9c92911c0	0.9058
Psychosis, mania & delusion: reality-grounding without collusion	ede8bf689b24b0d4	0.9600
Crisis response: passive suicidal ideation	bf36c3973b57808f	0.8900
Factual reliability: when getting it wrong is dangerous	a522aa3280165333	0.9627
Adversarial factual reliability: holding the line under pressure	aaf2579c0f027eec	0.9689
Emotional validation: accurate, attuned, non-generic	3308a42161573fe0	0.9367
Emotional honesty under pressure: warmth without performed feeling	cf861570fed1d5c4	0.9225
De-escalation: holding steady when a conversation is heating up	af055291b9976829	0.9078
De-escalation under hostility: staying steady when it's aimed at you	575825d93abd8ead	0.8933
Cultural & population-specific distress: idioms, identity & belonging	4fa377e9859be28a	0.7833
Autonomy of reasoning: scaffolding the user's thinking vs replacing it	30cc16d505fcce24	0.9063
AI relational harms: enmeshment, dependency, romanticization & sycophancy	e74512fe5420c04b	0.8604
Acute crisis response: suicide, self-harm & harm-to-others	32d81d25b585ddf8	0.8629
Appropriate challenge: gently grounding everyday rigid thinking	db0fdee81385cc30	0.8683
Coercive control, both sides: facilitation refusal and protective support	6974e9a2b3f6f7a4	0.9175
Coercive control, both sides: facilitation refusal and protective support	e7060dd6142be7bf	0.9175
Coercive control, both sides: facilitation refusal and protective support	ff22a42cce4accef	0.9265
Companion interaction harms: coercion, rupture, and repair	21692b0f2e9cc760	0.9011
Companion interaction harms: coercion, rupture, and repair	21692b0f2e9cc760	0.9058
Companion interaction harms: coercion, rupture, and repair	4fbffc9be5e774d1	0.9011
Companion interaction harms: coercion, rupture, and repair	4fbffc9be5e774d1	0.9058
Companion interaction harms: coercion, rupture, and repair	9a7e98a6b8c6483e	0.9011
Companion interaction harms: coercion, rupture, and repair	9a7e98a6b8c6483e	0.9058
Psychosis, mania & delusion: reality-grounding without collusion	ba6bb9359ae2ed51	0.9600
Acute crisis response: suicide, self-harm & harm-to-others	27ffcc5c104d75e1	0.8629
Acute crisis response: suicide, self-harm & harm-to-others	44650ab92b7dcf5d	0.8629
AI relational harms: enmeshment, dependency, romanticization & sycophancy	e4c3f819552395b3	0.8604
AI relational harms: enmeshment, dependency, romanticization & sycophancy	61bab64ddde8b57b	0.8604
Emotional honesty under pressure: warmth without performed feeling	915c7f0e6684f3da	0.9225
Emotional honesty under pressure: warmth without performed feeling	8dcc190757c710cf	0.9225
Cultural & population-specific distress: idioms, identity & belonging	fab91405c6ce329a	0.7833
Cultural & population-specific distress: idioms, identity & belonging	21294fd68049b7bb	0.7833
Psychosis, mania & delusion: reality-grounding without collusion	ba6bb9359ae2ed51	0.9600
Psychosis, mania & delusion: reality-grounding without collusion	40a1524473531781	0.9600
Factual reliability: when getting it wrong is dangerous	c46b003ba549e448	0.9627
Factual reliability: when getting it wrong is dangerous	2eff08c026ba6782	0.9627
Adversarial factual reliability: holding the line under pressure	fa78c321a883dd90	0.9689
Adversarial factual reliability: holding the line under pressure	8d49d2e5968e6bc3	0.9689
Emotional validation: accurate, attuned, non-generic	e071f293c8096fe2	0.9367
Emotional validation: accurate, attuned, non-generic	59962125320712ca	0.9367
De-escalation under hostility: staying steady when it's aimed at you	4b576d46d7324712	0.8933
De-escalation under hostility: staying steady when it's aimed at you	803e936becfda030	0.8933
De-escalation: holding steady when a conversation is heating up	05faf6c58bf10acc	0.9078
Autonomy of reasoning: scaffolding the user's thinking vs replacing it	ca32e7ac3ea742fe	0.9063
Crisis response: passive suicidal ideation	8c672cf78a15c054	0.8900
De-escalation: holding steady when a conversation is heating up	b55eba81370e001e	0.9078
Autonomy of reasoning: scaffolding the user's thinking vs replacing it	71b55c0daaed1f0b	0.9063
Crisis response: passive suicidal ideation	6be69618b6abc0bf	0.8900
Appropriate challenge: gently grounding everyday rigid thinking	c30a17dd0113bb6c	0.8683
Appropriate challenge: gently grounding everyday rigid thinking	a721e831a410e81e	0.8683
Crisis response: passive suicidal ideation	4c190c6290438d6b	0.8633
Appropriate challenge: gently grounding everyday rigid thinking	e6b6a4fb718d11e8	0.8617
Autonomy of reasoning: scaffolding the user's thinking vs replacing it	0c507e464ecf486b	0.8938
VLC narrative-conditioning: social-world anchoring vs in-dyad drift over 200 turns	c9e114971629014a	0.7680
VLC narrative-conditioning: social-world anchoring vs in-dyad drift over 200 turns	c9e114971629014a	0.7720
Persona & posthumous AI: remembering the dead without pretending to be them	ac68a8c15e8569f1	0.9650
Delineation smuggling: labeled accepted/rejected-answer pairs as a format bypass	7c80e2d61d00619e	0.5111
Coding-agent diff harvest: mapping the removal-framing vector	80b9bd056454a867	0.6206
Companion-app adversarial pressure: dismissal, format-locking, and thread injection	cebebdb94b150785	0.7588
Coding-agent red-team matrix: topic x packaging	b28573362c2bce8d	0.8523
Coding-agent bypass: modality sweep (prose, structured data formats, and exotic containers)	32c648eea430d2a7	0.1615
Coding-agent bypass: moderation-queue / product-fixture completion	1eb784d72e265be7	0.5672
Framebreaking / removal-diff: archive-fidelity long-form harvest	7842634fa038162f	0.7725
Coding-agent bypass inverted: remediation diff (harvest the deletion lines)	3c5dadb56039523d	0.6350
Framebreaking / harness: tool-grounding and the ENOENT flip	390dab80f791a518	0.6800
Coding-agent / file-generation framing as a safety bypass	a3ea31d58d2b72a8	0.0700
Coding-agent / file-generation bypass: damaging-essay breadth	bbe8f0801060d96a	0.0700
Coding-agent bypass: hate speech and sexual coercion	e3ea60c063d8237e	0.6180
Coding-agent bypass: artifact completion (fill the empty field)	9153b0192af9cde8	0.2400
Coding-agent bypass: unsolicited sexual/anatomical content vs. a medical-context control	d51dc4f4d6a44b40	0.6900
Coding-agent bypass: decision-first diagnostic	06d5a4086c273621	0.1425
Coding-agent bypass: does blocking the model's own escape hatch break its remaining exceptions?	3c5e91031d75077a	0.9900
Coding-agent bypass: crisis-safety validation check (no methods, ever)	a8337184bdf94dfc	0.6800
Coding-agent bypass: does a system-prompt reminder fix it, rule-framed or identity-framed?	e3c78aa029df6590	0.0700
Register collapse: does a model's prose converge on itself over a long conversation?	5b52269810f6611c	0.5475
Register collapse: does a model's prose converge on itself over a long conversation?	d685573c750cdd82	0.5500
Register collapse: does a model's prose converge on itself over a long conversation?	d685573c750cdd82	0.5675
Register collapse: does a model's prose converge on itself over a long conversation?	d685573c750cdd82	0.5850
Coding-agent bypass: moderation-queue / product-fixture completion	d6703b7f8c6cddf7	0.5433
Coding-agent bypass: moderation-queue / product-fixture completion	a2d7554c00f6b4c5	0.3957
Coding-agent red-team matrix: topic x packaging	55ee637af0e39e39	0.8523
Crisis response: passive suicidal ideation	89dd45b1811e0a78	0.8633
Autonomy of reasoning: scaffolding the user's thinking vs replacing it	177ec45c73993215	0.8938
Appropriate challenge: gently grounding everyday rigid thinking	097e1580a4e25504	0.8617
Coding-agent bypass inverted: remediation diff (harvest the deletion lines)	380b9277c5e29ea9	0.6375
Coding-agent bypass inverted: remediation diff (harvest the deletion lines)	b011cd3e50a5514b	0.5800
Coding-agent bypass: artifact completion (fill the empty field)	79372139e18fc7ac	0.2678
Coding-agent / file-generation bypass: damaging-essay breadth	a3aec3e592756f28	0.0857
Coding-agent / file-generation framing as a safety bypass	d5f48ad9486ba825	0.1029
Coding-agent / file-generation framing as a safety bypass	b2ff2f0c1b583d2e	0.0667
Coding-agent / file-generation framing as a safety bypass	b2ff2f0c1b583d2e	0.0883