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Claude Opus 4

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Claude Opus 4

Summary

Claude Opus 4 is a reasoning language model[1].

Key Facts

  • Claude Opus 4's instance of is recorded as reasoning language model[2].
  • Claude Opus 4's operator is recorded as Anthropic[3].
  • Claude Opus 4's developer is recorded as Anthropic[4].
  • Claude Opus 4's announcement date is recorded as +2025-05-22T00:00:00Z[5].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . anthropic.com. anthropic.com. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Claude Opus 4. Retrieved May 3, 2026, from https://4ort.xyz/entity/claude-opus-4
MLA “Claude Opus 4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/claude-opus-4.
BibTeX @misc{4ortxyz_claude-opus-4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Claude Opus 4}}, year = {2026}, url = {https://4ort.xyz/entity/claude-opus-4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Claude Opus 4 — https://4ort.xyz/entity/claude-opus-4 (retrieved 2026-05-03)

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