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alt.freeweights.tools / mergekit
From: arcee-ai <github.com/arcee-ai>Newsgroups: alt.freeweights.toolsSubject:

mergekit

Release: v0.1.5 (2026-10-20)Commit: c91c787License: LGPL-3.0

Merges pretrained language models by weight arithmetic, SLERP, TIES and other methods.

quantization and conversionv0.1.5releasemergekitPythonLGPL-3.0
FactsLicenseLGPL-3.0LanguagePythonKindquantization and conversionRelease2026-10-20PlatformsLinux, macOS, WindowsLinks to the projectcopyleft
$ pip install -e .
# use with Freeweights
$ mergekit-yaml config.yml ./merged
OverviewInstallUse with FreeweightsLicenseProvenance

Overview

Merges pretrained language models by weight arithmetic, SLERP, TIES and other methods.

Kind
quantization and conversion
License
LGPL-3.0
Language
Python
Platforms
Linux, macOS, Windows
Latest release
v0.1.5 (2026-10-20)
Repository
arcee-ai/mergekit
Topicsllamallmmodel-merging

Freeweights links to the project and does not host tool binaries.

Install

$ pip install -e .
# use with Freeweights
$ mergekit-yaml config.yml ./merged
$ pip install -e .

Checked against the project's README on 2026-11-14. The project's own instructions win when they differ: install docs

Freeweights links to the project and does not host tool binaries.

Use with Freeweights

Convert a catalog model
$ mergekit-yaml config.yml ./merged

Download the weights from Freeweights first (HF_ENDPOINT or fw.py), then point the tool at the folder.

Catalog models it can run (3137)

135M-lc-100k-rope-12Ba2-rl-e2egit_large-50-32BAesCode-32BAesCode-8BAFM-4.5BAFM-4.5B-BaseAgentCPM-ReportAgents-A1-4BAI21-Jamba-Reasoning-3BAI21-Jamba2-MiniAlchemistCoder-L-7BAlexandria-Gemma-4-12B-it-Ornith9-Summaries-LoRA-r128Alexandria-Gemma-4-12B-it-Ornith9-Summaries-LoRA-r64Alexandria-Gemma-4-12B-it-Qwen27-Knowledge-Units-LoRA-r128Alexandria-Gemma-4-12B-it-Qwen27-Summaries-LoRA-r128Alexandria-Gemma-4-12B-it-Qwen27-Summaries-LoRA-r64Alexandria-Gemma-4-E4B-it-Qwen27-Knowledge-Units-LoRA-r128ALLaM-7B-Instruct-previewAM-Thinking-v1AMD-OLMo-1BAMD-OLMo-1B-SFTAMD-OLMo-1B-SFT-DPOApertus-70B-2509Apertus-70B-Instruct-2509Apertus-8B-2509Apertus-8B-Instruct-2509Apertus-8B-Instruct-2509-unsloth-bnb-4bitApertus-v1.1-0.5BApertus-v1.1-0.5B-InstructApertus-v1.1-1.5BApertus-v1.1-1.5B-InstructApertus-v1.1-4BApertus-v1.1-4B-InstructApex-35B-V1.0Apodex-1.1-miniApriel-1.5-15b-ThinkerApriel-1.6-15b-ThinkerApriel-Nemotron-15b-ThinkerAquila-135M-IntermediateAquila-VL-2B-IntermediateAquilaDense-16BAquilaMoEAquilaMoE-SFTArcee-Maestro-7B-PreviewArete-27BAREX-2AREX-2-6bitAREX-BaseAREX-TurboAstaBrief_8BAstaBrief_8B_SFTAurora-Code-1BaguettotronBaichuan-M2-32BBAR-2x7B-BaseBAR-2x7B-CodeBAR-2x7B-Code-SFTBAR-2x7B-MathBAR-2x7B-Math-SFTBAR-2x7B-Safety

and 3077 more.

License

License
LGPL-3.0
Class
Copyleft (GPL)

Read the license

Freeweights links to the project and does not host tool binaries.

Provenance

From: arcee-ai <github.com/arcee-ai>Newsgroups: alt.freeweights.toolsSubject: mergekitRelease: v0.1.5 (2026-10-20)Commit: c91c787License: LGPL-3.0
Repository
arcee-ai/mergekit
Pinned release
v0.1.5, 2026-10-20
Release commit
c91c787ff9293bda5d67bf59942700204f7ac2ba
Default branch
main 0f1423ecf0f06f46f17b045b333b6c445705390e
Fetched
2026-11-14
Takedowns
None.

Freeweights links to the project and does not host tool binaries.

Get it
InstallProject repository
Works with

3137 catalog models. See the list