Always ship performant code

Codeflash uses AI to automatically find the most performant version of your Python code through benchmarking—while verifying it's correct

pip install codeflash && codeflash init
pip install codeflash && codeflash init
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Optimize most Python code you write

Codeflash generates several ideas for optimization and finds the best one that is the fastest and correct.
Codeflash solves the problem, not just recommend "ai suggestions".

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We've used Codeflash in the Pydantic codebase (300M+ downloads / month) to help optimize logic including repeated attribute access patterns and recursive algorithms. We're particularly impressed by the thorough testing and explanations provided by Codeflash which give us confidence in merging the recommended changes.

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Sydney Runkle

Software Engineer, Pydantic

Write Highly Performant Code - While Shipping Features Fast

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Finding and optimizing slow code is time consuming in sprawling code bases

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Codeflash helps developers spend more time doing what they love: shipping

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Continuously Optimize your GitHub PRs

Install Codeflash as a GitHub action and never ship slow code again.

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Optimize entire projects

Run codeflash --all and codeflash acts as an expert performance engineer to profile, optimize and test every code path in your project to make it all blazing fast.

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Find Optimizations in 5 minutes

Discover how much faster your code can be by scanning it with Codeflash today.

pip install codeflash && codeflash init
pip install codeflash && codeflash init
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