Ruff Pricing
At a glance
Free and 100% open source under dual MIT and Apache-2.0 licenses. Ruff has $0 software licensing fees and no subscription tiers; built in Rust by Astral, it replaces Flake8, Black, isort, and pyupgrade at 10–100x speed, drastically cutting CI compute minutes.
Self-hosting cost
Ruff is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.
Free & cheaper Testing & QA
same category, free plan or open-source license
FAQ
How much does Ruff cost?
Free and 100% open source under dual MIT and Apache-2.0 licenses. Ruff has $0 software licensing fees and no subscription tiers; built in Rust by Astral, it replaces Flake8, Black, isort, and pyupgrade at 10–100x speed, drastically cutting CI compute minutes.
Does Ruff have a free plan?
Yes — Ruff is open source and free to use.
Can you self-host Ruff for free?
Ruff is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.
What are free or cheaper Ruff alternatives?
Grok Bot, MCP Inspector, Playwright are in the same category with a free plan or open-source license.
pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.