# Best Open-Weight LLM for Self-Hosting > Updated Oct 21, 2026 ยท evidence through Oct 21, 2026. Synthesized from cited community evidence and open benchmarks, not vendor marketing. Canonical page: https://modelmatchbook.com/best/budget-open Qwen3.8 27B ranks first for Best Open-Weight LLM for Self-Hosting as of October 21, 2026. It scores 72.66% on LiveBench Instruction Following (#15 of 59), including paraphrasing, simplifying, story generation, and summarization. DeepSeek V4.1 Flash is the next-ranked alternative. It scores 70.03% on LiveBench Instruction Following (#25 of 59), including paraphrasing, simplifying, story generation, and summarization. [1,2] ## 1. Qwen3.8 27B https://modelmatchbook.com/models/qwen/qwen3.8-27b-20260814 Qwen3.8 27B scores 72.66% on LiveBench Instruction Following (#15 of 59), including paraphrasing, simplifying, story generation, and summarization. **Best when:** Its strongest result for this task is on LiveBench Instruction Following, which measures following detailed instructions exactly. [1] ## 2. DeepSeek V4.1 Flash https://modelmatchbook.com/models/deepseek/deepseek-v4.1-flash-20260910 DeepSeek V4.1 Flash scores 70.03% on LiveBench Instruction Following (#25 of 59), including paraphrasing, simplifying, story generation, and summarization. **Best when:** Its strongest result for this task is on LiveBench Instruction Following, which measures following detailed instructions exactly. [2] ## 3. GLM 5.3 https://modelmatchbook.com/models/z-ai/glm-5.3-20260816 GLM 5.3 ranks #17 of 150 on LMArena's overall text arena (Elo 1481), based on blind human preference votes. **Best when:** Its strongest result for this task is on LMArena Text, which measures general reasoning and instruction following. [3] ## 4. GLM 5.2 https://modelmatchbook.com/models/z-ai/glm-5.2-20260616 GLM 5.2 ranks #24 of 150 on LMArena's overall text arena (Elo 1476), based on blind human preference votes. **Best when:** Its strongest result for this task is on LMArena Text, which measures general reasoning and instruction following. [4] ## 5. Kimi K3 https://modelmatchbook.com/models/moonshotai/kimi-k3-20260715 Kimi K3 ranks #14 of 150 on LMArena's overall text arena (Elo 1488), based on blind human preference votes. **Best when:** Its strongest result for this task is on LMArena Text, which measures general reasoning and instruction following. [5] ## 6. DeepSeek V4 Flash 0423 https://modelmatchbook.com/models/deepseek/deepseek-v4-flash-20260423 DeepSeek V4 Flash 0423 scores 63.14% on LiveBench Instruction Following (#44 of 59), including paraphrasing, simplifying, story generation, and summarization. **Best when:** Its strongest result for this task is on LiveBench Instruction Following, which measures following detailed instructions exactly. [6] ## 7. GLM 5.3 Flash https://modelmatchbook.com/models/z-ai/glm-5.3-flash-20260826 GLM 5.3 Flash ranks #26 of 150 on LMArena's overall text arena (Elo 1475), based on blind human preference votes. **Best when:** Its strongest result for this task is on LMArena Text, which measures general reasoning and instruction following. [7] ## 8. Inkling https://modelmatchbook.com/models/thinkingmachines/inkling-20260715 Inkling scores 70.1% on LiveBench Instruction Following (#24 of 59), including paraphrasing, simplifying, story generation, and summarization. **Best when:** Its strongest result for this task is on LiveBench Instruction Following, which measures following detailed instructions exactly. [8] ## FAQ **What is the best model for Best Open-Weight LLM for Self-Hosting?** Qwen3.8 27B ranks first as of October 21, 2026. Qwen3.8 27B scores 72.66% on LiveBench Instruction Following (#15 of 59), including paraphrasing, simplifying, story generation, and summarization. [1] **What is the best alternative to Qwen3.8 27B?** DeepSeek V4.1 Flash ranks second. DeepSeek V4.1 Flash scores 70.03% on LiveBench Instruction Following (#25 of 59), including paraphrasing, simplifying, story generation, and summarization. [2] **Can I self-host the top pick for Best Open-Weight LLM for Self-Hosting?** Yes. Qwen3.8 27B is open-weight, so it can run on your own hardware as well as through hosted routes. [1] ## Sources 1. "Within the 59 catalog models matched to this evaluation: Scores 72.66% on LiveBench Instruction Following (#15 of 59), including paraphrasing, simplifying, story generation, and summarization." (LiveBench Instruction Following, https://livebench.ai/) 2. "Within the 59 catalog models matched to this evaluation: Scores 70.03% on LiveBench Instruction Following (#25 of 59), including paraphrasing, simplifying, story generation, and summarization." (LiveBench Instruction Following, https://livebench.ai/) 3. "Within the 150 catalog models matched to this evaluation: Ranks #17 of 150 on LMArena's overall text arena (Elo 1481), based on blind human preference votes." (LMArena text arena, https://lmarena.ai/leaderboard) 4. "Within the 150 catalog models matched to this evaluation: Ranks #24 of 150 on LMArena's overall text arena (Elo 1476), based on blind human preference votes." (LMArena text arena, https://lmarena.ai/leaderboard) 5. "Within the 150 catalog models matched to this evaluation: Ranks #14 of 150 on LMArena's overall text arena (Elo 1488), based on blind human preference votes." (LMArena text arena, https://lmarena.ai/leaderboard) 6. "Within the 59 catalog models matched to this evaluation: Scores 63.14% on LiveBench Instruction Following (#44 of 59), including paraphrasing, simplifying, story generation, and summarization." (LiveBench Instruction Following, https://livebench.ai/) 7. "Within the 150 catalog models matched to this evaluation: Ranks #26 of 150 on LMArena's overall text arena (Elo 1475), based on blind human preference votes." (LMArena text arena, https://lmarena.ai/leaderboard) 8. "Within the 59 catalog models matched to this evaluation: Scores 70.1% on LiveBench Instruction Following (#24 of 59), including paraphrasing, simplifying, story generation, and summarization." (LiveBench Instruction Following, https://livebench.ai/)