Enterprise AI, explained for builders and buyers. Page 4 of 29
Practical writing on governed agent orchestration, on-premise AI, compliance, and the infrastructure decisions that separate pilot projects from production platforms.
Best Local LLM for Agents and Tool Calling (2026)
Which open-weight model to run behind a local AI agent in October 2026, judged on what agent loops need: well-formed function calls, the right tool across many turns, structured output, a context budget that survives long tool loops, and a serving stack that parses the model's tool-call format. Vendor benchmarks with their caveats, memory sizing for parallel agent runs, and parser settings for vLLM, llama.cpp and Ollama.
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Best Local LLM for RAG (2026): Models That Stay Grounded
Which open-weight model to use as the generator in a private retrieval-augmented generation system, judged on what RAG needs: staying faithful to retrieved passages, reasoning across long contexts, following format instructions and citing sources. Hallucination and long-context scores from named sources, memory sizing for concurrent RAG prompts, and picks for each hardware tier.
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Best Local LLM for Mac: Mac mini, MacBook Pro and Mac Studio (2026)
Which open-weight model to run on each Mac Apple sells in October 2026, from a 16 GB MacBook Air or Mac mini to a 512 GB Mac Studio. Memory tiers checked against Apple's spec pages, MLX 4-bit file sizes from Hugging Face, the context each model leaves, and how MLX compares with llama.cpp, Ollama and LM Studio.
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Best Local Vision Models (2026): Open-Weight VLMs for Images, Charts and Screens
Open-weight vision language models you can run on your own GPUs, checked against their model cards in October 2026: sizes, licences including Llama 4's EU clause, memory for weights and image tokens, serving support in vLLM, llama.cpp and Ollama, and which model suits photos, charts, screens or video.
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Best RAG Frameworks (2026): LlamaIndex, LangChain, Haystack and More
Open-source RAG frameworks checked against their GitHub repositories and documentation in October 2026: LlamaIndex, LangChain with LangGraph, Haystack, RAGFlow, DSPy, txtai, Kotaemon and LightRAG, compared on ingestion, retrieval, evaluation, agentic RAG and deployment, with the projects that are archived or in maintenance mode flagged.
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Best Small Language Models (2026): SLMs Compared by Task
Eleven open-weight small language model families from 0.8B to 14B parameters, checked against their model cards in October 2026 and compared by task: tool calling, retrieval over long documents, image input and edge deployment, with licences, memory arithmetic and when a small model beats a large one.
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Best Vector Database for RAG (2026): Open-Source and Self-Hosted Options
Ten vector databases checked against their own documentation and GitHub repositories in October 2026: pgvector, Qdrant, Milvus, Weaviate, Chroma, OpenSearch, Elasticsearch, LanceDB, Redis and Vespa, plus Pinecone as the managed reference. Compared on licence, hybrid search, filtering, quantization, multitenancy and the work it takes to run each one yourself.
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Gemma 4 On-Premise: Local Requirements, Sizes and Setup (2026)
Google's Gemma 4 family runs from phone-sized E2B to a 31B dense model, all under Apache 2.0. This guide lists every size and variant, the memory each needs for weights and KV cache, Google's official quantization-aware builds, and the install steps for vLLM, llama.cpp, Ollama, LM Studio and MLX.
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gpt-oss Local Deployment Guide: Requirements and Setup (2026)
OpenAI's gpt-oss-20b and gpt-oss-120b are Apache 2.0 reasoning models that ship in MXFP4, so they fit one 16 GB or one 80 GB device. This guide covers the memory each size needs at real context lengths, the harmony format and reasoning effort, tool calling, and step-by-step setup with vLLM, Ollama and llama.cpp.
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