Kiln
Kiln AI for building and optimizing AI systems.
Pricing: free — Free app + open-source · Visit website
Kiln AI is a comprehensive workbench designed for teams to build, evaluate, and optimize AI systems using tools like RAG, evals, fine-tuning, and prompt optimization. It offers a free app and open-source library.
Pros
- Comprehensive toolset
- Free app available
- Open-source library
Cons
- Limited features without subscription
- Steep learning curve for new users
- Not all models supported
FAQ
Is Kiln AI free?
Yes, it offers a free app and open-source library.
Does Kiln support all AI models?
No, not all models are currently supported.
Can I use Kiln without an internet connection?
Most features require an internet connection.
Top alternatives
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Last updated: 2026-07-30