{"slug": "xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs", "title": "Xiaomi’s MiMo-V3 to adopt new architecture as HySparse2 cuts long-context costs", "summary": "Xiaomi MiMo lead Fuli Luo said the upcoming MiMo-V3 model will adopt a new architecture built on HySparse2, a technique that at a context length of 1 million tokens reduces prefill computation by 5.02 times and cuts the KV cache by 4.5 times. Xiaomi reported higher MRCRv2 and RULER-v2 scores along with lower AgentPPL and LongPPL results, positioning HySparse2 as a way to lower long-context inference costs and improve retrieval for agentic workloads.", "body_md": "Xiaomi MiMo lead Fuli Luo said MiMo-V3 will adopt a new architecture. Its core technology, HySparse2, is designed to reduce the cost of long-context inference and improve retrieval for agentic workloads.\n\nAt a context length of 1 million tokens, HySparse2 reduces prefill computation by 5.02 times and cuts the KV cache by 4.5 times. Xiaomi also reported higher MRCRv2 and RULER-v2 scores, along with lower AgentPPL and LongPPL results. [[arXiv](https://arxiv.org/abs/2609.26368)]", "url": "https://wpnews.pro/news/xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs", "canonical_source": "https://technode.com/2026/09/24/xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs/", "published_at": "2026-09-24 05:57:38+00:00", "updated_at": "2026-09-24 06:01:05.931326+00:00", "lang": "en", "topics": ["large-language-models", "ai-research", "ai-agents", "ai-infrastructure", "artificial-intelligence"], "entities": ["Xiaomi", "MiMo-V3", "HySparse2", "Fuli Luo", "MRCRv2", "RULER-v2", "AgentPPL", "LongPPL"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs", "markdown": "https://wpnews.pro/news/xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs.md", "text": "https://wpnews.pro/news/xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs.txt", "jsonld": "https://wpnews.pro/news/xiaomis-mimo-v3-to-adopt-new-architecture-as-hysparse2-cuts-long-context-costs.jsonld"}}