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About Kiln
Kiln is a workbench for the full AI development process. It brings evals, automatic optimization, retrieval-augmented generation, agents, fine-tuning, synthetic data generation, dataset management and MCP support into one app.
It comes as a free app and an open-source library, so the same work can be done through a graphical interface or from code. It suits developers and small teams who want to measure and improve an AI product without assembling separate tools for each step.
Strengths
- Evals, fine-tuning and synthetic data in one app
- RAG, agents and MCP support
- Graphical app plus open-source library for code use
- Actively developed
Limitations
- Licence of the desktop app is not stated in the research
- Broad scope can be more than a small project needs
Details
- Pricing
- FreeThe app is free and the accompanying library is open source.
- License
- Proprietary
- Developer
- Kiln AI
- Platforms
- Windows, macOS, Linux
- How it runs
- Downloadable app
- Best suited for
- Developers evaluating and fine-tuning models for an AI product
- Categories
- AI developer tools
- Last verified
- Added
- Sources
Alternatives to Kiln
Compare allSoftware that can replace Kiln for an important use case, and what changes if you switch.
LlamaFactory
Web UI and command-line toolkit for fine-tuning over 100 open language and vision-language models.
LlamaFactory is an Apache-2.0 web UI and CLI focused on fine-tuning over 100 open models, without Kiln's built-in evals and synthetic data tools.
Unsloth
A local interface and command-line tool for running and fine-tuning language and diffusion models.
Unsloth provides a local UI and CLI for running and fine-tuning language and diffusion models, but lacks Kiln's eval and synthetic data features and states no license.
Axolotl
A command-line tool for fine-tuning language models from YAML configuration files.
Axolotl is an Apache-2.0 command-line tool that fine-tunes models from YAML files on Linux, with no graphical app and aimed at people with ML experience.
Kiln as an alternative
Listings that name Kiln as an alternative.
lm-evaluation-harness
EleutherAI's command-line framework for few-shot evaluation of language models on many benchmark tasks.
Kiln moves evaluation into a free desktop app with fine-tuning and synthetic data, replacing the command line with a graphical interface, though the app's license is not stated.
Similar software
Related functionality, not necessarily a direct replacement.
DeepEval
An open-source Python framework for unit-testing and evaluating the outputs of large language model applications.
Promptfoo
A command-line tool for testing prompts, evaluating model output and red-teaming LLM applications and agents.
Label Studio
An open-source data labeling tool for building training datasets and reviewing AI output.
MergeKit
A command-line toolkit for merging the weights of pretrained large language models.
