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Public story · 2026-03-19 · source-backed
Anthropic confirmed general availability of 1M context for Opus 4.6 and Sonnet 4.6 at standard pricing — a 900K-token request billed at the same rate as 9K. Opus scores 78.3% on MRCR v2 (highest among frontier models at that length). Media handling expanded 6x to 600 images or pages per request. Claude CoWork also received the upgrade. Anthropic
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Opus built by Anthropic / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Opus built by Anthropic); both cover Anthropic, Media, Opus, Sonnet; overlapping topics (anthropic, availability, context, request).
Anthropic released Claude / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Anthropic released Claude); both cover Anthropic, Claude, Opus, Sonnet; overlapping topics (anthropic, claude).
Opus built by Anthropic / Shared entities / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (Opus built by Anthropic); both cover Anthropic, Opus, Sonnet; reported by the same outlet (claude.com).
Anthropic released Claude / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic released Claude); both cover Anthropic, CLAUDE, Opus, Sonnet; overlapping topics (anthropic, claude, context).
Anthropic released Claude / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Anthropic released Claude); both cover Anthropic, CLAUDE, Opus; reported by the same outlet (claude.com).
Linked by a graph relationship (Anthropic released Claude); both cover Anthropic, CLAUDE, Opus; reported by the same outlet (claude.com).
Anthropic released Claude / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Anthropic released Claude); both cover Claude, Opus, Sonnet; overlapping topics (anthropic, claude, context, opus).
Anthropic released Claude / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Anthropic released Claude); both cover Anthropic, CLAUDE, Opus, Sonnet; overlapping topics (anthropic, claude).