leanctx
Drop-in prompt compression for production LLM apps. Cut your token bill 40-60% without changing your code. Python SDK, LLMLingua-2, MIT.
Reduce your input costs by 40-60% when using language models without changing your existing code.
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Free · no card · unsubscribe anytimeDrop-in prompt compression for production LLM apps. Cut your token bill 40-60% without changing your code. Python SDK, LLMLingua-2, MIT.
leanctx has 316 stars on GitHub. It has been forked 3 times. leanctx is written mainly in Python. It has been in active development since 2026. leanctx is available under the MIT license. Its main topics are anthropic, cost-optimization, gemini, langchain.
What is leanctx?
Drop-in prompt compression for production LLM apps. Cut your token bill 40-60% without changing your code. Python SDK, LLMLingua-2, MIT.
Is leanctx open source?
leanctx is an open-source project. It is released under the MIT license.
Is leanctx free?
Yes. leanctx is free and open source — you can use, modify and self-host it.
What license does leanctx use?
leanctx is available under the MIT license.
What language is leanctx written in?
leanctx is written mainly in Python.
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