Codeflash
Make your Python code run up to 10x faster automatically
Codeflash launched on November 15, 2025 with 34 votes, #511 of 9,796 launches that month and more than 90% of that year's launches.
What it does
Codeflash optimizes all your Python code. It uses advanced AI and verification to automatically find the most optimized version of any Python code. Installing Codeflash as a GitHub Action or VS Code extension ensures that all new Python code your team and your agents write is always optimal and runs fast.
Codeflash uses AI to automatically find the most optimized version of your Python code through benchmarking — while verifying it's correct.
Codeflash delivers frontier performance-engineering results — cost, latency, memory, throughput. Our codeflash-agent finds the optimizations; our senior performance engineers review and ship every one. ROI guaranteed. Most companies are far behind the perf engineering frontier. Google, NVIDIA, Cloudflare and Linux have deep perf engineering expertise. Most companies struggle to prioritize it, so it shows up as a cloud bill that can be cut by 40–90%. We found 118 functions up to 446× slower than necessary in just two AI-written PRs. A 90% infra cut lifts gross margin, extends runway, and frees capital for hiring and growth. This is the cleanest dollar a CFO will see this year.…from codeflash.ai
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