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Claude Sonnet 4 — Wikipedia: https://en.wikipedia.org/wiki/Claude_Sonnet_4

confirmed95% confidence

1 evidence check

Last checked: 3/31/2026

The source text from Wikidata Q134885150 explicitly lists under 'Sitelinks' that there is 1 Wikipedia entry for 'Claude Sonnet 4' (enwiki). This confirms that a Wikipedia article exists for Claude Sonnet 4. The claim states the Wikipedia URL is https://en.wikipedia.org/wiki/Claude_Sonnet_4, which follows the standard Wikipedia URL format for the article title 'Claude Sonnet 4'. While the source doesn't provide the full URL, it confirms the existence of the Wikipedia article, and the URL format claimed is consistent with standard Wikipedia conventions. The minor discrepancy is that the source doesn't explicitly state the full URL, but this is a standard format confirmation rather than a contradiction.

Evidence — 1 source, 1 check

confirmed95%primaryHaiku 4.5 · 3/31/2026
Found: Sitelinks Wikipedia (1 entry) edit enwiki Claude Sonnet 4

Note: The source text from Wikidata Q134885150 explicitly lists under 'Sitelinks' that there is 1 Wikipedia entry for 'Claude Sonnet 4' (enwiki). This confirms that a Wikipedia article exists for Claude Sonnet 4. The claim states the Wikipedia URL is https://en.wikipedia.org/wiki/Claude_Sonnet_4, which follows the standard Wikipedia URL format for the article title 'Claude Sonnet 4'. While the source doesn't provide the full URL, it confirms the existence of the Wikipedia article, and the URL format claimed is consistent with standard Wikipedia conventions. The minor discrepancy is that the source doesn't explicitly state the full URL, but this is a standard format confirmation rather than a contradiction.

Debug info

Record type: fact

Record ID: 86oH5OgmbA

Source Check: Fact 86oH5OgmbA | Longterm Wiki