KoboldCpp

Open Source Free Trial

Single-binary llama.cpp runtime with an OpenAI-compatible API, web UI, image generation and speech

KoboldCpp is a single-binary local runtime for GGUF models, built on llama.cpp. Prebuilt releases cover Windows, Linux and Apple Silicon macOS, with CUDA and Vulkan GPU backends; ROCm needs a source build.

It serves the KoboldAI Lite web UI and an API on port 5001, with OpenAI-compatible, Anthropic, Ollama and KoboldAI endpoints. The same process can also run image generation, Whisper speech-to-text and several TTS models. AGPL-3.0 licensed.

Pricing: Free

Hosting Self-hosted
Pricing Free, Free
License AGPL-3.0
Screenshot of KoboldCpp webpage

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