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AI tool

Claude

Anthropic's conversational AI product for writing, analysis, research, coding, and document-supported work.

Editorially reviewedVerified 2026-08-112 official or primary sources

What it is

Claude is Anthropic's conversational AI product. Anthropic describes uses that include writing, analysis, research, coding, and work with uploaded material.

Treat those capabilities as a shortlist signal, not a conclusion. Validate the exact product surface, model, integrations, and controls you intend to use against representative tasks.

Worth evaluating for

  • Long-form review and structured writing pilots
  • Document analysis with explicit source checks
  • Coding or research workflows that retain a human approval step

What to measure

  • Instruction adherence on your real documents
  • Traceability of research claims to accessible sources
  • Administrative and data-handling controls for the selected plan

Decision cautions

  • Tool access and usage limits can vary by plan and location.
  • A fluent answer can still contain unsupported statements.
  • Integration permissions should be scoped to the minimum required data.

Sources checked

Open the original pages before relying on a time-sensitive product decision.

  1. Meet ClaudeAnthropic
  2. Anthropic company overviewAnthropic
Version · v4.3.4-indexnow-root-proof

Latest releases

IndexNow root-proof request compatibility

After v4.3.3, the exact root-level {key}.txt proof returned HTTP 200, but a full request carrying keyLocation still returned HTTP 403; a minimal homepage request with the same production key and no keyLocation returned HTTP 202. This release omits that field, while the automatic full run and idempotent rerun remain deployment checks.

IndexNow key-proof compatibility

Changed IndexNow verification to the official root-level {key}.txt convention after the first production notification returned HTTP 403; revalidation remains pending, while the website, sitemaps, and Bing sitemap processing are unaffected.

Bing sitemap discovery and IndexNow change notifications

Prepared canonical sitemap discovery for Bing and added automatic IndexNow change notifications while keeping segmented sitemaps authoritative and making no claim that a notified URL has been crawled or indexed.

View all releases