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AI Atlas
ModelActive

Opus 4.8

Open in Graph
data quality35

Updated 4 h ago · first seen 12 Sept 2026

model_01M29XD99ZPAVRVC26KB7PQ0XT

Overview

Identity

Identity block not returned by the API for this entity.

Openness

Openness not classified yet — no sourced evidence to place this model in the ontology.

Change history0

Temporal, append-only claims: a new observation closes the previous claim instead of overwriting it. Rewind the record with the as-of picker.

No claims recorded yet

Claims appear when a source states a fact; every later change is kept as a new claim.

Provenance

Attributed facts

0

Source tiers

Freshest observation

Conflicts

None

Source documents 1

Source documents
SourceDocumentTypeTierLast observedSnapshots
Claude Developer Platform docsanthropic.com/news/claude-opus-5 newsT1· Official11 h ago1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.

Data quality (35/100) measures how well AI Atlas knows this entity — completeness, primary-source ratio, freshness, conflicts — never how good the model is. Methodology →