Kimi K2.5 by Moonshot AI: The Open Chinese Model That Broke Into the Elite
9 min read
Can an open-source Chinese model compete with the closed flagships from OpenAI and Anthropic? Based on our independent testing – yes. On January 27, 2026, Beijing-based Moonshot AI released Kimi K2.5, and it immediately joined the elite group of the world’s best models – competing directly with GPT-5.4 and Claude Sonnet 4.5. And it’s completely free for basic use.
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