Codeflash uses AI to optimize your Python code by figuring out the most performant way to rewrite it -
and verifies it's still correct.

Optimize

Codeflash optimizes and speeds up real-world code in your projects. Optimize anything that can be unit tested!

Verify

Merge in optimizations with confidence. Codeflash tests all generated code thoroughly to ensure it has exactly the same behavior as before. It discovers and runs your existing unit tests - and generates many additional tests too.

Github App

Install Codeflash as a GitHub actions check and have it review all new code you write on every PR. Every time it finds an optimization, you get a suggestion to review. Welcome to Continuous Optimization - always keeping your project at peak performance.

Optimize Entire Projects

Scan, optimize and test every existing code path in your project and make it all blazing fast. No need for tedious manual benchmarking and optimizations - let Codeflash do all the work.