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Models2026-05-25 · source-backed
Moonshot AI's legacy K2 models (K2 0905, K2 Turbo, K2 Thinking, K2 0711) reach EOL May 25. Migrate to K2.5 (lower cost) or K2.6 (best quality, 56-59 SWE-Bench Pro at one-third Opus 4.7 cost). If you're running production traffic on K2, you're out of time.
Each link below shares sources, entities, or timing with this story.
Cursor uses Opus / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Cursor uses Opus); both cover Bench Pro, Opus, SWE; overlapping topics (cost, opus).
Anthropic criticizes Moonshot AI / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Anthropic criticizes Moonshot AI); both cover Bench Pro, Opus, SWE; overlapping topics (running, swe-bench).
Moonshot AI deprecates Kimi K2 / Shared entities / Shared topic
Linked by a graph relationship (Moonshot AI deprecates Kimi K2); both cover Bench Pro, Moonshot AI, Opus, SWE; overlapping topics (cost, opus).
Anthropic criticizes Moonshot AI / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Anthropic criticizes Moonshot AI); both cover Opus, SWE; overlapping topics (cost, running, swe-bench).
Anthropic criticizes Moonshot AI / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic criticizes Moonshot AI); both cover Bench Pro, Opus, SWE; overlapping topics (cost, opus).
Anthropic criticizes Moonshot AI / Shared entities / Earlier coverage / Tension
Linked by a graph relationship (Anthropic criticizes Moonshot AI); both cover Moonshot AI, Opus, SWE; earlier Moonshot AI coverage from 2026-04-20.
Claude Code uses Opus / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Claude Code uses Opus); both cover Opus, SWE; overlapping topics (cost, opus).
Anthropic criticizes Moonshot AI / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Anthropic criticizes Moonshot AI); both cover Opus, SWE; overlapping topics (cost, opus).