The user wants a concise HTML summary of the provided news. The news is about open-weight leaderboard changes with GLM-5.2, Kimi K2.7, DeepSeek V4. The description mentions that since April 2026, four flagship releases have landed back to back, and the "best open-weight model" title has changed hands three times. I need to write 2-4 sentences in a

and then a link to the original source. I must output only valid HTML, no extra text. The summary should be concise, precise technical language, using only provided info. The source URL is given: https://dev.to/rishi_kora/open-weight-leaderboard-flips-again-glm-52-kimi-k27-deepseek-v4-3fp1. The link text should be "Read original". I'll craft a 3-sentence summary: "Since April 2026, four major open-weight model releases — GLM-5.2, Kimi K2.7, DeepSeek V4, and another — have rapidly shifted the leaderboard, with the top spot changing hands three times in eleven weeks. This back-to-back deployment cycle has unsettled the previously settled hierarchy of open-weight models. The pace of releases indicates accelerating competition in the open-weight LLM space." But I need to ensure I only use info from the description. The description says: "