C AI Models 2026-07-28 7 分钟Claude Opus 5 Underrated, Kimi K3 1.56TB Open-Weight, GLM 5.2 Becomes Security Default: July 2026 Model Landscape ShiftJuly's triple hit: Anthropic's Opus 5 tops coding but benchmarks underrate it, Moonshot's 2.8T-param Kimi K3 …