Best Local LLM for Long-Document Q&A: How to Chat with a Book
Which local LLM should you use to ask questions about a 500-page PDF without uploading it? A practical guide by context window and hardware tier.
Category
Local AI
MoE vs Dense Models for Local AI (September 2026)
What the 'A3B' and 'A22B' suffixes mean, when Mixture-of-Experts beats a dense model on your hardware, and how to read a model card to tell which is which.
Best Local Models by Context Window (October 2026)
Local LLMs ranked by maximum context length: 32K, 128K, 256K, and 1M+ tiers, with the model that fits each tier and the VRAM each one needs.
Best Local LLM for Everyday Tasks (Chat, Writing, Summarizing)
Which open-weight LLM should you actually run for everyday chat, writing, and summarizing? A tier-by-tier guide from 8 GB laptops to 32 GB desktops.
Rent a GPU for Local AI Workloads (September 2026)
Four cloud GPU vendors compared for self-hosted LLM inference: real per-hour rates for RTX 4090, A100, and H100, plus where renting beats owning hardware.
Local AI Inference Speed: What to Expect (September 2026)
Real tokens per second from local LLMs on consumer hardware: how quant and context change speed, why memory bandwidth is the limit, and what helps.
Best Local Coding Models by VRAM (September 2026)
Open-weight coding LLMs sized by VRAM: Qwen2.5-Coder, Qwen3-Coder, Devstral Small 2, KAT-Coder, GLM-4.7-Flash, and the trade-offs at each tier.
Local AI Power Draw and 24/7 Inference Cost (September 2026)
NVIDIA and Apple TDPs, the US residential cents-per-kWh average, and what 24/7 local inference actually adds to your electricity bill by card.
What Thinking Mode Actually Costs You (September 2026)
Reasoning tokens, latency, and KV cache cost of thinking mode in local LLMs. How to toggle it per runner and when it is the wrong choice.
How much context can a local LLM actually hold? (September 2026)
The advertised context window is one number. What your GPU can actually serve is smaller. The KV cache math, RoPE scaling, and the practical ceiling.
How to Safely Download and Verify Open-Source LLMs
Sourced steps to safely download and verify an open-source LLM: safetensors, GPG-signed commits, pinned revisions, and HF / Ollama integrity checks.
Local LLM Backends Compared: Ollama, LM Studio, llama.cpp, vLLM
How Ollama, LM Studio, llama.cpp, and vLLM differ on model format, OpenAI-compatible API, hardware support, and which to pick for a home server.
How to Choose an Open-Weight Model Family (September 2026)
Qwen, Llama, Mistral, Gemma, DeepSeek, Phi - which family to commit to, what each is good at, and the licence traps that send you back to negotiate.
How to Evaluate Local LLMs on Your Own Workload (September 2026)
Why general benchmarks like MMLU and GPQA don't predict your results, the index-rebase trap, and a recipe for picking a local model from your own prompts.
Serve a Local Model to Your Team (September 2026)
Auth, reverse proxy, HTTPS, concurrency and audit: how a small team shares one local model without exposing it to the public internet.
Best Local Reasoning Models by VRAM (October 2026)
Reasoning-capable open-weight models sized by VRAM. DeepSeek-R1, Qwen3 with thinking, QwQ, Phi-4 reasoning, gpt-oss, and the licence traps.
Local AI When One GPU Isn't Enough (September 2026)
Multi-GPU options for self-hosted AI when one card runs out of room: how Ollama, llama.cpp and vLLM split models, and what the interconnects actually cost.
Fine-Tune a Local LLM with LoRA and QLoRA (October 2026)
How to adapt an open-weight model on your own hardware. What LoRA rank and alpha mean, when QLoRA's 4-bit NF4 is worth it, and how to measure it.
Run an LLM Locally on a Raspberry Pi (October 2026)
Raspberry Pi 4 and Pi 5 can run small open-weight models on CPU alone. What fits on 2 GB, 4 GB, 8 GB, or 16 GB of RAM, and what speed is realistic.
Run LLMs in the Browser With WebGPU (October 2026)
What WebGPU-based in-browser inference actually runs today, which browsers support it, which models fit, and the catches that no demo mentions.
Ollama's New Pricing: What the Credit-Pool Change Actually Means
Ollama swapped GPU-hour billing for per-token credits across Pro, Max and Team plans. What the tiers cost, what's free, and how the no-logging promise holds up.
Best Used GPUs for Local AI in 2026 (September 2026)
The RTX 30 and 40 series cards that still clear current Ollama and llama.cpp floors, what VRAM tier each opens, and which variants are worth the used premium.
Serve a Local Model to Your Household (August 2026)
Practical patterns for letting two to six people in one home share one local model on one machine, with the right chat UI, bind address, and overlay network.
What Quantization Costs You in Quality (October 2026)
How much quality a smaller quant actually loses. Real MMLU and KL Divergence numbers across Q2_K through Q8_0, plus how to measure on your own workload.