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No passage meeting the model-card question “Card date” was found in Model Card Addendum: Claude 3.5 Haiku and Upgraded Claude 3.5 Sonnet within the inspected scope. Copy claim link
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Supporting evidence: primary · 1 source
Reasoning and premises Premises: the model-card question asks for the following. A date printed on the card or its own page (publication, issue or revision date), quoted with its kind. Revision dates are listed separately. Partly if the card carries only a month or year, or only a revision date. The release date of the model is Q02. The inspected scope of Model Card Addendum: Claude 3.5 Haiku and Upgraded Claude 3.5 Sonnet was: Title block (PDF p. 1) and whole text, including footnotes and references. Terms searched: “2024”, “October”, “date”, “update”, “version”. Passages read and not counted: Section 2.2, footnote 2, PDF p. 3: 'as of October 22nd, 2024' dates a cited leaderboard reading, not the card. References [4], PDF p. 13: 'October, 2024' dates the cited Responsible Scaling Policy, not the card. The conclusion is bounded by that scope and method.
Provision Model-card question · provision ID model-card-q01 Date Date unknown Scope and limits No date of the card was found in the document. Anthropic's index lists it under October 2024. A recorded absence within the stated scope of the card read: not evidence that the developer did not do the thing asked about, or did not disclose it elsewhere.
The evidence 01 primary source Supports the claim
Model Card Addendum: Claude 3.5 Haiku and Upgraded Claude 3.5 Sonnet ↗ Anthropic · Publication date unknown
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Paraphrase Within the inspected scope, no passage meeting the model-card question “Card date” was found.
Location in source Model Card Addendum: Claude 3.5 Haiku and Upgraded Claude 3.5 Sonnet: Title block (PDF p. 1) and whole text, including footnotes and references.
How it was read Retrieved directly from the publisher
Machine-checked · 2026-11-02
Source details and check notes Authors Anthropic Version Retrieved for the candidate pack on 2026-11-02 (SHA-256 5425dde49b649916000e38fb86c4721cfe31a8bdfe30bbb98e875fa3d654804c) directly from the publisher’s host. Retrieved again on 2026-11-03 with the same SHA-256. Canonical address Open the canonical source ↗ Accessed 2026-11-02 Language English (en) Attribution Anthropic, “Model Card Addendum: Claude 3.5 Haiku and Upgraded Claude 3.5 Sonnet”. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Absence recorded for the model-cards candidate pack (research/model-cards) on 2026-11-02 by an automated research assistant and audited in a fresh context by the same model family. No human editorial review. Status and meaning Editorial status. Machine-checked . Machines found this record and checked it against its sources; no person accepted it individually. Each evidence record above shows how it was checked.
Relation. A recorded absence: within the stated locator scope of an exact edition, no passage stating the keyed provision was found. It is not an inferred deletion and says nothing about other documents, practice or intent.
Date. The card prints no date of its own, so its cells carry no date.
Record ID mc-cell-anthropic-claude-3-5-haiku-sonnet-new-q01