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RSP v2.1 states a CBRN-4 Capability Threshold: the ability to substantially uplift the CBRN development capabilities of moderately resourced state programs with relevant expert teams, such as by novel weapons design, substantially accelerating existing processes, or dramatically reducing technical barriers. Copy claim link
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Supporting evidence: primary · 1 source
Provision Threshold or trigger · provision ID rsp-cbrn-4-threshold Subject version v2.1 · Publication date unknown · Effective 2025-03-31 Date 2025-03-31 · effective Scope and limits The record states the threshold as the edition words it, at the generality of its own entry. It is not a finding about any model and names no state, programme or agent.
The evidence 01 primary source Supports the claim
Responsible Scaling Policy — v2.1 ↗ Anthropic · Publication date unknown
Archived copy, captured 2025-04-02: Responsible Scaling Policy — v2.1 ↗
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Source excerpt “The ability to substantially uplift CBRN development capabilities of moderately resourced state programs (with relevant expert teams), such as by novel weapons design, substantially accelerating existing processes, or dramatic reduction in technical barriers.” Location in source PDF p. 8 (printed p. 4), §2 Capability Thresholds and Required Safeguards, table row “Chemical, Biological, Radiological, and Nuclear (CBRN) weapons”, entry “CBRN-4”, Capability Thresholds column
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Machine-checked · 2026-10-30
Source details and check notes Authors Anthropic Version Responsible Scaling Policy v2.1; effective date 2025-03-31. Version date 2025-03-31 Canonical address Open the canonical source ↗ Accessed 2026-09-18 Language English (en) Archive copy Open archived copy, captured 2025-04-02: Responsible Scaling Policy — v2.1 ↗ . Captured 2 days after the recorded version date. An archive copy shows only what the archive retrieved on 2025-04-02. It does not prove what the page said earlier, and it can differ from the copy checked on 2026-09-18.Attribution Anthropic, Responsible Scaling Policy — v2.1. Reuse No open redistribution licence asserted. Selekoa practice: metadata, attributed paraphrases and short attributed quotations under the editorial policy (at most 50 words each; at most 400 quoted words per document across the dataset, and about 10% of a document under about 2,000 words). Documents are linked externally, not redistributed. Publisher terms that forbid quotation override this practice. Check notes Candidate pack passage, AI and biosecurity (research/ai-bio). The quotation (33 words) matched the text retrieved for the candidate pack on 2026-10-28 and again at admission on 2026-10-30, in a fresh retrieval whose SHA-256 equals the pack’s. Matching ignored differences of whitespace, case, quotation marks, dashes and Unicode compatibility forms, so the source’s typography can differ. No human editorial review. Status and meaning Editorial status. Not reviewed by an editor . An exploratory record that no editor has accepted. This status does not say whether a person has read any linked passage. Each evidence record above shows how it was checked.
Relation. An exact framework edition, or another document with an exact expression, states one provision: a capability threshold or risk level and its trigger, a required safeguard or action, a decision authority (who decides, recommends, can overrule or is informed), a stated exception, or another statement of its content, such as a licence term or a prospectus statement. The passage records what the document says, not implementation, compliance or effectiveness. Provisions with the same key align across editions of one family.
Date. Provision as stated in this edition, dated by the edition’s effective date.
Record ID ab-fw-rsp-v2-1-cbrn-4-threshold