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KoboldCpp

Single-file local runner for GGUF models built on llama.cpp, with a web UI for story writing, chat and roleplay plus an API.

  • LostRuins (open-source project)
  • Local only
  • Free, open source

Official site · Source code

Where it ranks

  • A
    Writing
    Apps + Runtimes & gateways · Local · via Kimi K3

Tools without a benchmark of their own inherit the tier of the best model they offer.

Facts

Vendor
LostRuins (open-source project)
Approach
Apps, Runtimes & gateways
Where it runs
Runs only on your own hardware
Interface
Desktop app, Self-hosted web UI, API
Skill level
Intermediate: some setup or configuration
Price
Free, open source
Pricing notes
Free and open source (AGPL-3.0). uses_models = the general (non-coding) open families from the llama.cpp record, since KoboldCpp is built on llama.cpp and runs the same GGUF files.
Source code
Open source (AGPL-3.0)
GitHub stars
12k (18 Oct 2026)
Last verified
18 Oct 2026

Price from github.com, 18 Oct 2026.

Models it gives you

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