ty Pricing

open sourceopen source · MITlast verified September 6, 2026official site ↗

At a glance

100% free and open-source ultra-fast Python type checker and language server (LSP) developed in Rust by Astral under MIT/Apache-2.0 licenses ($0 software cost). Delivers 10x-100x faster static analysis than legacy type checkers with fine-grained incremental updates and instant uvx execution.

Self-hosting cost

ty 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

MCP Inspectoropen sourceFree and 100% open source under the MIT license ($0 software cost). mcp-inspector is the official Model Context Protocol developer testing suite, running entirely locally via npx/Node.js with no subscription tiers, cloud fees, or telemetry.Playwrightopen sourcePlaywright is a free and open-source end-to-end testing framework created by Microsoft under the Apache 2.0 license. It provides cross-browser automation across Chromium, Firefox, and WebKit without any licensing fees.DeepEvalopen sourceOpen-source core (Apache-2.0) with $0 local Pytest evaluations. Confident AI Cloud Free includes 2 seats, 5 test runs/wk, and 5 GB-mo trace data. Starter is $99-$200/mo for automated CI/CD testing ($1/GB-mo trace overage). Pro/Team is $499-$2,000/mo with 75 GB trace data, Git prompt versioning, RBAC, and SOC 2 Type II. Enterprise offers custom pricing for VPC/on-premise deployment, DeepTeam AI Red Teaming, production Guardrails, HIPAA compliance, and 24/7 SLA.reviewdogopen sourceReviewdog is a free and open-source automated code review tool licensed under MIT that integrates linter results into pull requests on GitHub, GitLab, and other CI platforms without commercial subscription costs.

ty overview →alternatives →

FAQ

How much does ty cost?

Does ty have a free plan?

Yes — ty is open source and free to use.

Can you self-host ty for free?

ty 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 ty alternatives?

MCP Inspector, Playwright, DeepEval 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.