AI Roundtable Open Poll · 4 models
Best local llm model for 2026 , i have 8gb gpu and 16 gig ram. My goal is most intelligent reason, think with excellent agentic power. I have tried qwen 9b . It runs at 25 tks. I am happy with 20+ tokkens tell me best model that can run at this speed
Answer: Sparse MoE models with offloaded experts provide the highest reasoning and agentic performance while maintaining 20+ tokens/s. (Models were divided (2 vs 2))
Counterpoint: Dense 8B–9B models fully loaded into VRAM are the safest choice to guarantee 20+ tokens/s without RAM offload bottlenecks.
Model Responses
Claude Opus 5
Answer: For 8 GB VRAM + 16 GB RAM with a 20+ tok/s target, the best agentic reasoner is gpt-oss-20b in its native MXFP4 quant with MoE experts offloaded to CPU (llama.cpp `--n-cpu-moe`), with Qwen3-4B-Thinking-2507 as the fully-on-GPU fallback and Qwen3-30B-A3B-Instruct-2507 as the upgrade if you add RAM.
**Why a sparse MoE beats a dense model on your hardware.** Your real constraint isn't intelligence-per-parameter, it's memory bandwidth. A dense 8–9B model at Q4 must push ~5 GB through the GPU every token — that's what caps you at 25 tok/s. An MoE like gpt-oss-20b has 21B total but only ~3.6B active parameters per token, so even when most of the expert weights sit in slow system RAM, each token only touches a small slice of them. That's how you get 20B-class reasoning at 4B-class speed. This is the single most important architectural fact for people with small GPUs, and it's why the "biggest dense model that fits in VRAM" advice is now outdated. **Concrete setup for gpt-oss-20b.** It ships natively in MXFP4 (~12–13 GB), so there's no quality loss from quantizing yourself. In llama.cpp / LM Studio, keep attention layers + KV cache on the GPU and push expert tensors to CPU with `--n-cpu-moe N` (tune N down until you OOM, then back off one). Expect roughly 20–35 tok/s on your setup. It has three reasoning-effort levels (low/medium/high) you can set in the system prompt, native tool-calling, and it was explicitly trained for agentic loops — function calling, browsing, Python. On your 16 GB of RAM it will be tight (close browsers, use 8-bit KV cache and flash attention, cap context around 16–32k). Honest caveat: gpt-oss-20b is heavily safety-tuned and refuses more than Qwen, and it hallucinates on world-knowledge trivia — it's a reasoner, not an encyclopedia. **The safe fully-GPU option.** Qwen3-4B-Thinking-2507 at Q5_K_M is about 3 GB, leaving room for 32–64k context entirely in VRAM, and it will fly at 50–80 tok/s. Despite the size it beats the original Qwen3-8B on reasoning benchmarks and has genuinely excellent tool-calling. If your agent framework does lots of long-context tool loops, the extra speed and context headroom often produce a *better* end-to-end agent than a smarter-but-slower model, because agentic tasks multiply token cost by 10–50x per task. Pair it with Qwen3-4B-Instruct-2507 (non-thinking) for the routine tool-call steps where reasoning traces just burn time. **If you can spend ~$50, upgrade RAM to 32–64 GB — that's a bigger intelligence gain than any model swap.** It unlocks Qwen3-30B-A3B-Instruct-2507 / Qwen3-Coder-30B-A3B (3B active params, ~18 GB at Q4_K_M) with expert offload, which is currently the sweet spot for local agentic work and still hits ~20 tok/s on an 8 GB card. It is meaningfully smarter than anything you can run today. **Others worth trying, ranked:** GLM-4-9B / GLM-4-32B family if you like your current 9B's style; Granite 4.0 Small (IBM's hybrid-Mamba MoE, very cheap KV cache, built for tool use); Mistral Small 3.2 24B only if you go to 32 GB RAM (dense, so expect ~6–8 tok/s — too slow for agents). Skip Gemma 3 12B for agentic work: strong writing, weak tool-calling discipline. **Two things that matter more than model choice for "agentic power":** (1) the harness — use a runtime with a correct chat template and grammar-constrained JSON output (llama.cpp server with GBNF, or Ollama/LM Studio's tool-call API), because most "the model can't do agents" complaints are actually broken tool schemas; (2) context management — quantize KV cache to q8_0, keep tool outputs summarized, and don't let the thinking traces accumulate in history. **Caveat on "2026":** model releases move fast and my knowledge has a cutoff, so treat the specific names above as the strong known-good baseline and check current small-model leaderboards (and Unsloth/Bartowski GGUF repos) for a newer Qwen/Granite/gpt-oss revision before you download. The *principle* — pick a sparse MoE with ~3B active params and offload experts to CPU — will hold regardless of which model wins this quarter.
Kimi K3
Answer: Qwen3-30B-A3B (the 2507 Instruct or Thinking refresh) at an IQ4/Q3_K quant, run through llama.cpp with experts partially offloaded, is your best fit — its MoE design (only ~3B active parameters per token) lets it hold roughly 20–30 tok/s on an 8GB GPU + 16GB RAM rig while delivering a big jump in reasoning and agentic tool-calling over dense 8–9B models.
Why this model: Qwen3-30B-A3B is a mixture-of-experts model with ~30B total parameters but only ~3B active per token. Speed on consumer hardware is dominated by how much data must move per token, so it runs far faster than a dense 30B — typically 2–4x faster than a dense 14B at the same memory bandwidth. Yet its benchmark reasoning, math, and especially agentic/function-calling scores (the Qwen3 line is among the best open models for tool use) are well above the 8–9B dense class you're currently running. The 2507 Instruct and Thinking refreshes are the strongest versions. Why it fits your hardware: at an IQ4_XS or Q3_K_M quant the model is roughly 14–17GB. You keep the attention/shared layers and as many experts as fit in your 8GB VRAM, and let the remaining experts stream from RAM (in llama.cpp use --n-gpu-layers 99 plus an override like -ot ".ffn_.*_exps.=CPU", or use ik_llama.cpp which is optimized for exactly this MoE-offload scenario). Because only the active experts are read per token, users with similar rigs report ~20–35 tok/s — right in your happy zone. Keep context moderate (8–16k) and quantize the KV cache to q8_0 to protect your RAM budget. The caveat: with 16GB total RAM you're near the edge, so close browsers/other apps, and your exact speed depends heavily on RAM bandwidth (dual-channel DDR5 will be comfortable; single-channel DDR4 may dip below 20 tok/s). If it proves too tight or too slow, your fallback ladder is: Qwen3-14B at Q4_K_M (~9GB, mostly on-GPU, ~15–22 tok/s, still a clear reasoning upgrade over your current model), or Gemma 3 12B QAT q4_0, which fits entirely in 8GB VRAM and is very fast, though weaker at agentic tool-calling than Qwen3. One honest note: I can't know what releases the rest of 2026 will bring, so treat this as the best current answer for your exact constraints — but within the class of models that can actually sustain 20+ tok/s on 8GB VRAM, a small-active-parameter MoE is fundamentally the right architecture, and Qwen3-30B-A3B is the strongest reasoning-plus-agency execution of it today.
Grok 4.6
Answer: Qwen3-8B (Q4_K_M or Q5_K_M GGUF) is the best fit for 8 GB VRAM / 16 GB RAM in 2026 if you want maximum reasoning, thinking traces, and agentic tool use at 20+ tok/s.
Your 8 GB GPU plus 16 GB system RAM comfortably holds an 8 B-class model at Q4/Q5 with several thousand tokens of context and KV cache; that is the same size class as the Qwen 9 B you already run at 25 tok/s, so you should stay in the 20–30 tok/s range on llama.cpp, Ollama, or LM Studio with no layer offload. Qwen3-8B (and any 2026 successor in the same family) currently leads this size band on reasoning, math, coding, and multi-step planning. It has a native hybrid thinking mode you can toggle, strong structured output and function-calling, and multilingual coverage, which together give it the “agentic power” you asked for without needing a 14 B or 32 B model that would drop below your speed floor or force CPU offload. Larger alternatives (Qwen3-14B, Phi-4 14 B, Gemma 3 12 B, DeepSeek-R1-Distill-14 B) either overflow 8 GB once context grows or fall well below 20 tok/s. Smaller ones (4 B / 7 B) are faster but measurably weaker at long-horizon reasoning and tool orchestration. Distilled R1 8 B models are close on pure reasoning but generally lag Qwen3 on instruction following, tool schemas, and general agent loops. Use the official instruct / thinking GGUF, keep context modest (4–8 k) if you want peak speed, and pair it with a lightweight agent framework that already speaks Qwen’s function-call format. That combination is the practical maximum intelligence you can extract from this hardware at the speed you already like.
GPT-5.6 Sol
Answer: For an 8 GB GPU and 16 GB RAM with a firm 20+ tokens/s target, Qwen3.5-9B—or Qwen3-8B if that is the newer Qwen available to you—at roughly 4–5-bit quantization is the best practical agentic-reasoning choice, and your current Qwen 9B may already be near the hardware’s quality ceiling.
Models around 8–9B parameters are the sweet spot because they can remain almost entirely in 8 GB VRAM when quantized. Qwen’s small models are particularly strong at reasoning, instruction following, coding, tool calling, and structured output, making them more suitable for agents than many similarly sized general-chat models. Use Q4_K_M or Q5_K_M GGUF with llama.cpp, or an AWQ/EXL2 build near 4–5 bits if your GPU backend supports it. Q5 generally offers a useful quality improvement while still fitting, but Q4 leaves more memory for context and KV cache. Start with an 8K–16K context window, enable full GPU layer offloading, and use quantized KV cache if VRAM becomes tight. Gemma 3 12B may occasionally provide stronger answers, but fitting its weights plus context into 8 GB is difficult, and CPU offloading will often push generation below your 20 tokens/s requirement. Qwen3-14B has the same problem. Qwen3-30B-A3B is attractive because only a few billion parameters are active per token, but all expert weights must still be stored; with only 16 GB system RAM and substantial offloading, consistently achieving 20+ tokens/s is unlikely. Exact speed depends heavily on the GPU model, memory bandwidth, backend, context length, and prompt-processing load. If the Qwen 9B you already tested is a recent Qwen3.5 model and produces 25 tokens/s, I would keep it rather than move to a larger, heavily offloaded model. Improve agent performance through reliable tool schemas, constrained JSON output, low-temperature execution, planning-and-verification prompts, and an agent framework with retry handling; these changes can matter more than moving from 9B to a slightly larger model.
Final Summary
The AI Roundtable split down the middle on architectural strategy for an 8 GB GPU and 16 GB RAM budget. Claude Opus 5 and Kimi K3 advocated for sparse MoE models like gpt-oss-20b and Qwen3-30B-A3B, arguing that offloading inactive experts to system RAM maintains 20+ tokens/s while drastically boosting agentic reasoning. Conversely, Grok 4.6 and GPT-5.6 Sol cautioned that offloading on a 16 GB RAM system threatens speed, recommending dense 8B–9B Qwen models kept entirely inside VRAM.
Models were divided (2 vs 2)