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Public story · 2026-07-19 · high
The leak was a research build called Honeycomb EAP, pulled from Cursor within hours, and Opus 4.8 remains the flagship at $5/$25 per million tokens.
Why now: Coverage as of July 19 is still circulating claims seeded by the July 9 Cursor sighting, with nothing new from Anthropic since.
Claude Opus 5 remains unannounced: no API model ID, no system card, and no confirmation from Anthropic, per ExplainX.
That matters for teams deciding whether to lock in Opus 4.8 pricing now or hold their budget for a release Anthropic hasn't scheduled. Planning around a picker sighting instead of a system card means betting against Anthropic's own silence on the matter.
Every 'launch is imminent' story traces back to one sighting. A research model labeled Honeycomb EAP appeared briefly in Cursor's model picker around July 9, then got pulled within hours. That's the whole basis for the rumor cycle.
Anthropic's flagship hasn't changed. Opus 4.8, released May 28, is still the model on the API, priced at $5/$25 per million tokens.
A model yanked from an editor's picker within hours looks more like a mistake than a soft launch. Anyone promising Opus 5 specs or a ship date off that sighting is speculating past what ExplainX actually reported.
Coverage as of July 19 is still circulating claims seeded by the July 9 Cursor sighting, with nothing new from Anthropic since.
Each link below shares sources, entities, or timing with this story.
Cursor supports Claude / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Cursor supports Claude); both cover ExplainX, July, Treat; reported by the same outlet (explainx.ai).
Cursor supports Claude Opus / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Cursor supports Claude Opus); both cover Claude Opus, Cursor, Opus; overlapping topics (around, claude, model, opus).
Cursor supports Claude Opus / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Cursor supports Claude Opus); both cover Cursor, July, Opus; overlapping topics (model, opus).
Cursor supports Claude Opus / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Cursor supports Claude Opus); both cover Claude Opus, Cursor, Opus; overlapping topics (claude, model, opus).
Linked by a graph relationship (Cursor supports Claude Opus); both cover Cursor, July, Opus; overlapping topics (cursor, model, opus).
Claude Opus built by Anthropic / Shared entities / Earlier coverage / Tension
Linked by a graph relationship (Claude Opus built by Anthropic); both cover Cursor, July, Opus; earlier Cursor coverage from 2026-07-10.
Claude Opus built by Anthropic / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Claude Opus built by Anthropic); both cover Cursor, Opus; overlapping topics (cursor, else, model, opus).
Claude Opus built by Anthropic / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Claude Opus built by Anthropic); both cover Opus, Treat; overlapping topics (model, opus).