KoboldCpp

KoboldCpp

KoboldCpp is a self-contained, easy-to-use AI inference platform built on llama.cpp. It runs GGUF models locally for text generation, and includes integrated Stable Diffusion for image creation, Whisper for speech-to-text, and TTS for narration. The software features a rich UI for interactive storytelling with tools for memory, world info, characters, and scenarios, all accessible through compatible API endpoints. It supports a wide range of GGUF models from various architectures, including text, image, and voice models. Targeted at developers, hobbyists, and writers, it provides a single-file distributable for offline AI use, with options for GPU acceleration and a flexible server for integration.

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Added on
Sep 22, 2026
Local LLMGGUF ModelsImage GenVoice I/OSingle File
Product information

Everything worth knowing about KoboldCpp

The complete picture — from everyday features to the technical detail builders and IT folks dig for.

Core features

What it actually does

AI Text Generation
Run local LLMs for text generation with a UI supporting stories, editing, memory, and character scenarios.
Multi-Modal AI
Supports image generation (Stable Diffusion), speech-to-text (Whisper), text-to-speech, and image recognition.
Easy Model Setup
Simple process to download and run GGUF models from Huggingface and CivitAI, with starter packs available.
Integrated Development UI
All-in-one application with persistent story saving, world info, author's note, and scenario tools.
Technical capabilities
Multiple API Endpoints
Provides multiple compatibility API endpoints for integration with other tools.
GGUF Architecture Support
Based on llama.cpp, supporting all up-to-date GGUF model architectures across text, image, audio, and video.
Must watch videos
Local Character.ai Alternative! - KoboldCpp & SillyTavern In 2025
8:55
Tutorial8:55
Local Character.ai Alternative! - KoboldCpp & SillyTavern In 2025
KoboldCpp used with the SillyTavern UI is currently one of the best ways to get into local AI character roleplaying. This combination gives you much more options than character.ai, is free and open-source as well as fully private (no conversation data ever leaves your PC), and it gives you many options to further improve the RP chat experience (like TTS & image generation WebUI integrations). If you'd prefer to see this exact same tutorial in written form with some additional info, you can check it out here, over on TechTactician: https://techtactician.com/sillytavern-and-koboldcpp-full-starter-guide-local-ai-rp/ The only thing you need is a GPU with at least 6GB of VRAM, and... that's it! In this quick tutorial/guide I'm going to show you exactly how to install the software from scratch on a Windows 11 machine, but this will work in the very same way on Windows 10. By the way, Kobold AI and Silly Tavern feature separate versions for Mac & Linux too! Links mentioned in the video: KoboldCpp GitHub repository: https://github.com/LostRuins/koboldcpp SillyTavern GitHub repository: https://github.com/SillyTavern/SillyTavern Unofficial ST website: https://sillytavernai.com/ Official Git installer download: https://git-scm.com/downloads Character Cards (hundreds of characters to pick from!): https://aicharactercards.com/ KoboldCpp versions are described in more detail in the Kobold AI GitHub repo, however the main rule of thumb here is: if you have a PC with a recent NVIDIA GPU (1xxx and higher) - pick the version ending with "cu", which stands for CUDA. With older NVIDIA systems, pick the "nocuda" version, and for systems without a GPU on board select either the base "koboldcpp" or the "oldcpu" version if the first one doesn't work. CUDA and noCUDA versions are also available for Linux systems, and the rules are pretty much the same. Please do leave a like or a comment if you found this quick tutorial helpful, and feel free to check out other videos about local AI software and various tech gizmos on my channel. Until next time!
How to setup KoboldCPP for Herika (ChatGPT AI Skyrim Companion)
8:20
Tutorial8:20
How to setup KoboldCPP for Herika (ChatGPT AI Skyrim Companion)
You may need to upgrade your PC. Seriously.... Links: KoboldCPP Download: https://github.com/LostRuins/koboldcpp MythoMax LLM Download: https://huggingface.co/TheBloke/MythoMax-L2-13B-GGML Download the mod here: https://www.nexusmods.com/skyrimspecialedition/mods/89931?tab=description Our Discord: https://discord.gg/NDn9qud2ug Patreon: https://patreon.com/DwemerDynamics Paypal Donation: https://www.paypal.com/donate/?hosted_button_id=AB43NNY3D2624 00:00 Intro 01:09 KoboldCPP Setup 06:08 Ingame Test 07:10 Outro
KoboldCpp: The Ollama Killer?
14:31
Tutorial14:31
KoboldCpp: The Ollama Killer?
KoboldCpp vs Ollama: both run llama.cpp, but one ships 606MB as a single file with 56 tunable parameters, while Ollama defaults your context to 4K tokens. KoboldCpp and Ollama both run on llama.cpp, the same inference engine, but they take opposite approaches to local AI. KoboldCpp packages everything, image generation, speech recognition, Whisper transcription, and a bundled chat interface, into a single 606MB executable that needs no installer. Ollama arrives as a 1.5GB setup program and serves as silent infrastructure behind other tools like Claude Code and VS Code. The real difference isn't speed: a October 2025 GitHub issue showed that performance gaps vanished after toggling flash attention and context offloading settings. Instead, the divide is control. Ollama's API exposes eight documented parameters and automatically picks your context length (4K tokens on GPUs under 24GB, scaling up with VRAM), defaulting you into small memory windows even though Ollama's own docs say web search and coding agents need 16 times more. KoboldCpp hands you 56 fields per generation request, samplers like top-a and mirostat, grammar enforcement, banned tokens, and crucially, the ability to reorder the entire sampling chain. Context shifting (auto-trimming old tokens to avoid cache rebuilds) was KoboldCpp's killer feature until Ollama shipped it too in their latest release. Both projects run the same engine and maintain roughly equivalent commit histories to llama.cpp. KoboldCpp even implements Ollama's API endpoints inside its own code, wearing multiple interfaces (ComfyUI, OpenAI) so existing tools talk to it without noticing. For most users, Ollama is the right choice, it's designed to vanish into your infrastructure. But if you want to sit inside the workshop and tune 56 parameters, choose the model order, and own every decision, KoboldCpp is your playground. This video is for builders evaluating local LLM runners and power users who want full control over their inference pipeline. Chapters: 0:00 One file that runs Ollama engine 0:31 KoboldCpp ships 606MB as one file 1:17 GitHub already settled the parentage 2:15 Ollama pins llama.cpp in one file 3:11 The argument everyone has, counted 4:11 Ollama's own spec lists 8 options 5:03 KoboldCpp request carries fifty-six fields 6:03 The order is a setting too 6:52 Two settings closed the speed complaint 8:14 What Ollama decided while you were not looking 9:11 The feature that stopped being a feature 10:14 Only one box ships a writing interface 11:07 KoboldCpp answers to Ollama name 12:17 Install Ollama, unless you want the workshop 13:34 One engine wearing two sets of defaults Tools & resources mentioned: - KoboldCpp: https://github.com/LostRuins/koboldcpp - Ollama: https://github.com/ollama/ollama - llama.cpp: https://github.com/ggml-org/llama.cpp About The Stack The Stack helps you build with AI. Each video takes one tool, model, or workflow and shows how it works in a few focused minutes, with the real benchmarks and real costs. We go deep on Claude Code and Cursor for AI coding, AI agents and MCP servers, the open-source AI tools and GitHub repos most people miss, RAG and vector search, fine-tuning, and running local LLMs on your own machine with Ollama and LM Studio. We compare models like ChatGPT and Claude, test AI automation with Zapier, Make, and n8n, and flag the tools that actually ship. Subscribe for new breakdowns: https://www.youtube.com/@the-stack-ai?sub_confirmation=1 #llama.cpp #local AI #ollama

Who uses it

Real use cases, no hype
Private AI Assistant
Run a fully offline, private chatbot on your own machine with no data leaving your network.
Creative Writing & Roleplay
Leverage the built-in story editor and specialized roleplay models for interactive fiction.
Multimodal Prototyping
Rapidly test text, image generation, and speech-to-text pipelines with a unified backend.
AI API Backend
Host a local OpenAI-compatible API server to power your own apps and IDE plugins.
Model Benchmarking
Compare the performance and output quality of different GGUF models on your specific hardware.
What's great
  • All-in-one local AI suite: text, image, speech, vision in one binary.
  • Massive GGUF model compatibility: works with thousands of community models.
  • Powerful built-in story/character UI with world info, memory, and author's note.
Technical strengths
  • Self-contained single executable, no external dependencies for basic use.
  • Exposes multiple API endpoints (OAI, Kobold, native) for maximum integration flexibility.
  • Cross-platform builds with optional GPU acceleration (CUDA, Vulkan, Metal, SYCL).
Where it falls short
  • Steep learning curve for non-technical users, requires model setup and configuration.
  • Performance is heavily dependent on your local hardware (CPU/RAM/GPU).
  • UI can feel cluttered and less polished compared to commercial AI services.
Technical limitations
  • Maintained by a solo developer, updates can lag behind upstream llama.cpp changes.
  • Lacks fine-tuning, RAG, or advanced agent pipelines found in enterprise platforms.
For technical folks

The deep-dive specs

FAQ

Includes technical Q&A
Generally all up-to-date GGUF format models. This includes thousands of text-generation, image-generation (Stable Diffusion), speech-to-text (Whisper), and text-to-speech models from Hugging Face and CivitAI.

Traffic Insights

Monthly Visits

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October 2026

Growth Rate

0%

vs last month

Dominance

0%

in Productivity

Top Country

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Top Countries Breakdown

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Growth Trend

Stable

Traffic has remained stable.

Pricing overview
Unknown Pricing

KoboldCpp Pricing

KoboldCpp uses a unknown pricing structure. Real-time rates, custom enterprise quotas, and plan details are managed directly on their official platform.

Check Pricing on KoboldCpp
Reviews

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