http://www.heyuan110.com/tags/kimi-k2.5/Recent content in Kimi K2.5 on Bruce on AI EngineeringHugoenSat, 04 Apr 2026 10:00:00 +0800http://www.heyuan110.com/posts/ai/2026-04-04-cursor-composer-2-review/Sat, 04 Apr 2026 10:00:00 +0800http://www.heyuan110.com/posts/ai/2026-04-04-cursor-composer-2-review/<p><img src="http://www.heyuan110.com/posts/ai/2026-04-04-cursor-composer-2-review/cover.webp" alt="Cursor Composer 2 — where Western product meets Eastern foundation model" loading="lazy" decoding="async" fetchpriority="low" width="1200" height="630" /> </p> <p>On March 19, 2026, Cursor shipped Composer 2 with a triumphant blog post. Faster, smarter, cheaper — the usual superlatives. Three days later, a developer on X noticed something peculiar in Cursor&rsquo;s API configuration: a model identifier reading <code>kimi-k2p5-rl-0317-s515-fast</code>. That single string unraveled a story about transparency, open-source ethics, and the increasingly global nature of AI infrastructure.</p> <p>This is not just a product review. It is an examination of what happens when a $50 billion startup forgets — or chooses not — to credit the open-source model powering its flagship feature.</p>