RAM tier guide

Best local LLMs for 128GB RAM

A static guide to local AI models that fit in a 128GB RAM budget. Built from the LocalClaw model database and ranked by hardware fit, use case, quality and speed.

Recommendations updated September 8, 2026

Compatible models
202
Best match
Ornith-1.5-35B-A3B
RAM tier
128GB
Hardware fit
large-memory workstations and server-grade local AI machines

Quick answer

With 128GB RAM, prioritize models with minimum RAM at or below 128GB and avoid filling memory completely. For most users, start with Ornith-1.5-35B-A3B, then test a faster smaller model if latency matters.

Top models for 128GB RAM

#1 · Best match

Ornith-1.5-35B-A3B

35B (3B active, MoE) · 48GB min · Q4_K_M · 21.72GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Official MIT 35B MoE reasoning model from Ornith AI with about 3B active parameters, 262K context, strong agentic-coding positioning and official Q4_K_M GGUF plus MLX/Ollama/llama.cpp local paths for larger workstations.

chatcodereasoningagenticlong-context
#2 · Best match

Muse Glimmer 30B

29.8B multimodal · 24GB min · K-Quant 17GB Q4_K_M · 17GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Meta Superintelligence Lab local agent model with text+image input, 131K context, Apache 2.0 weights and official GGUF/ExecuTorch artifacts. The K-Quant 17GB build targets 24GB machines; 32GB is safer for vision and long-context sessions.

chatcodereasoningagenticvision
#3 · Best match

Qwen3.8-27B

27B · 32GB min · Q4_K_M · 16.8GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Official Qwen dense 27B vision-language release with Apache 2.0 weights, 262K native context, thinking controls and strong agentic coding benchmarks. Practical local path through Unsloth and LM Studio-compatible GGUF artifacts.

chatcodereasoningvisionagentic
#4 · Best match

Granite 4.2 (30B)

29.3B · 32GB min · Q4_K_M · 18GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: IBM Granite 4.2 30B brings the permissive Apache 2.0 Granite stack to workstation-class local reasoning, RAG, coding and tool-use workflows with GGUF and MLX community artifacts.

chatcodereasoningtool-callingpower
#5 · Best match

Ling-2.6-flash (104B MoE)

104B (7.4B active) · 80GB min · Q4_K_M · 65GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: InclusionAI's MIT-licensed instruct MoE optimized for fast agent workloads. 104B total parameters, only 7.4B active, hybrid linear attention, 262K context and strong tool-use / multi-step execution with high token efficiency.

chatcodereasoningspeedquality
#6 · Best match

Granite 4.2 (8B)

8.8B · 8GB min · Q4_K_M · 5.2GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: IBM Granite 4.2 8B instruct model with Apache 2.0 weights, 128K context, thinking-mode chat template, tool calling and practical GGUF plus MLX paths for everyday local machines.

chatcodereasoningtool-callingstandard
#7 · Best match

Qwen 3.6 35B-A3B

35B (3B active, MoE) · 32GB min · Q4_K_M · 19GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Qwen Team open-weight MoE for agentic coding and multimodal work. 35B total / 3B active, 262K native context, Apache 2.0, and strong GGUF availability through Unsloth and LM Studio-compatible artifacts.

chatcodereasoningvisionagentic
#8 · Best match

Qwen 3.5 MoE (122B/10B active)

122B (10B active) · 80GB min · Q4_K_M · 65GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Large MoE model with only 10B active params. 60% cheaper to run than Qwen3-Max. 256K context. Top-tier reasoning, coding and multilingual. Hybrid think/non-think. Apache 2.0.

chatcodereasoningqualitypower
#9 · Best match

Qwen 3 (32B)

32B · 32GB min · Q4_K_M · 20GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Qwen 3 dense 32B open-weight model with hybrid thinking and non-thinking modes, strong reasoning and coding support, and a practical Q4_K_M GGUF path for 32GB-class local machines.

chatcodereasoningpowerquality
#10 · Best match

Ornith-1.5-9B

9B · 16GB min · Q4_K_M · 5.63GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Official MIT reasoning model from Ornith AI with a 262K native context window, tool-calling focus, and official Q4_K_M GGUF, MLX and Ollama/llama.cpp paths for local coding-agent experiments on 16GB+ machines.

chatcodereasoningagenticlong-context
#11 · Best match

Nemotron 3.5 Lightning 30B-A3B

30B (3B active, MoE) · 48GB min · Q4_0 · 18.9GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: NVIDIA OpenMDW-1.1 hybrid Mamba/MoE/attention model for local agentic inference. The official GGUF path from ggml-org includes a 18.9GB Q4_0 build plus Ollama, llama.cpp and LM Studio recipes, with local contexts scaling from 4K to 256K+ depending on VRAM.

chatcodereasoningagentictool-calling
#12 · Best match

Qwen3-Coder-Next

80B (3B active, MoE) · 64GB min · Q4_K_M · 48.4GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Qwen Team Apache 2.0 coding-agent MoE with 80B total parameters, 3B active parameters, 262K native context and official Q4_K_M GGUF files. Practical local use fits best on 64GB+ workstations with recent llama.cpp or LM Studio-compatible runtimes.

chatcodereasoningagentpower
#13 · Best match

Qwen 3 Next (80B/3B MoE)

80B (3B active) · 64GB min · Q4_K_M · 48GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Alibaba's next-gen MoE with hybrid-gated DeltaNet attention. Only 3B active params , runs at dense 7B speed with 70B quality. 256K native context (extensible to 1M). Hybrid thinking mode. Apache 2.0.

chatcodereasoningpowerquality
#14 · Best match

Agents-A1

35B (3B active, MoE) · 32GB min · Q4_K_M · 21GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: InternScience Apache 2.0 agentic VLM. 35B-A3B MoE, 262K context, strong long-horizon search/tool-use benchmarks and official Q4_K_M GGUF artifacts for local workstations.

chatcodevisionagentreasoning
#15 · Best match

Qwen 3.6 (27B)

27B · 32GB min · Q4_K_M · 17GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Qwen 3.6 flagship dense model. Hybrid thinking mode with /think toggle for deep chain-of-thought reasoning. 128K context, 29+ languages. Significantly outperforms Qwen3.5-27B on reasoning, coding & math. Apache 2.0.

chatcodereasoningpowerquality
#16 · Best match

Gemma 4 26B A4B

26B (A4B active) · 24GB min · Q4_K_M · 16GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Gemma 4 MoE flagship-for-workstations: 26B total with ~4B active parameters. 256K context and excellent quality-per-watt for local inference. Apache 2.0.

chatcodereasoningpowermultimodal
#17 · Best match

GPT-OSS (120B)

117B (5.1B active) · 96GB min · MXFP4 · 63GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: OpenAI flagship open-weight reasoning model. 128K context, strong tool use and Apache 2.0 licensing, now practical for 96GB+ local workstations via GGUF MXFP4.

chatcodereasoningbeastgeneral
#18 · Best match

Qwen 2.5 (72B)

72B · 64GB min · Q4_K_M · 42GB

Why it fits: Comfortable memory headroom. General match. Catalogue summary: Alibaba's massive 72B. Among the best open models globally. Exceptional multilingual + coding + reasoning.

chatcodequalitygeneral

How to choose at 128GB

How this RAM-tier order works

This contextual order uses LocalClaw catalogue quality, reasoning, coding and speed fields plus freshness and RAM fit. It is not the homepage LocalClaw score, not a standardized third-party benchmark and never includes community stars. Catalogue summaries may repeat upstream claims; verify them at the linked model repository.