AsOf

Claude · featureplain text documents

valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.asserted

What the statuses mean

Valid from
2025-01-23
Valid until
still holds
Published
2025-01-23
Recorded by AsOf
2026-11-14
Checked
2026-11-15 · its source page states the value and the date, as read by an AI model
Confidence
0.70

Sources

“January 23, 2025 We’ve launched citations capability in the API, allowing Claude to provide source attribution for information. Learn more in Citations . We’ve added support for plain text documents and custom content documents in the Messages API.”— what the page says, read 2026-11-15

Cite this claim

Each form names the value, its as-of date (2025-01-23), the day you read it (2026-11-15), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "Claude feature added: plain text documents", as of 2025-01-23. Claim clm_CA3DDF605EB5, https://asof.is/claim/clm_CA3DDF605EB5, accessed 2026-11-15. Source: https://platform.claude.com/docs/en/release-notes/overview#2025-01-23.
APA
AsOf. (2025). Claude feature added: plain text documents (as of 2025-01-23) [Record clm_CA3DDF605EB5]. Retrieved November 15, 2026, from https://asof.is/claim/clm_CA3DDF605EB5 (source: https://platform.claude.com/docs/en/release-notes/overview#2025-01-23)
BibTeX
@misc{asof_clm_CA3DDF605EB5,
  author = {AsOf},
  title = {Claude feature added: plain text documents},
  year = {2025},
  howpublished = {\url{https://asof.is/claim/clm_CA3DDF605EB5}},
  note = {Claim clm\_CA3DDF605EB5, as of 2025-01-23; source: https://platform.claude.com/docs/en/release-notes/overview\#2025-01-23},
  urldate = {2026-11-15}
}

On the record

/claim/clm_CA3DDF605EB5.md/v1/claims/clm_CA3DDF605EB5submit a correction