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Models2026-06-09 · source-backed
Claude Mythos, code-named Project Glasswing, is previewing with 200+ organizations across 15+ countries, while an npm leak points to Claude Sonnet 4.8 arriving mid-June. Expect a near-term refresh on top of the current Opus 4.8 flagship. Meanwhile xAI's Grok V9-Medium, ~1.5T parameters, is finishing fine-tuning ahead of a mid-June release. June is going to be loud.
Each link below shares sources, entities, or timing with this story.
Anthropic released Project Glasswing / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Expect, Opus; overlapping topics (anthropic, expect, model).
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Claude Mythos, Opus; overlapping topics (anthropic, claude, model).
Anthropic released Project Glasswing / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Claude Mythos, Project Glasswing; overlapping topics (anthropic, claude, country).
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Meanwhile, Opus; overlapping topics (anthropic, claude, model).
Anthropic released Project Glasswing / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Claude Sonnet, Opus; overlapping topics (anthropic, claude).
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Claude Mythos, Opus; overlapping topics (claude, model).
Anthropic released Project Glasswing / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Meanwhile, Opus; overlapping topics (current, model).
Linked by a graph relationship (Anthropic released Project Glasswing); both cover Anthropic, Expect, Opus; overlapping topics (claude, model).