Grit.io
by Grit.io
AI code-migration tool (JS-to-TS, framework upgrades, modernization) built on the open-source GritQL engine. Acquired by Honeycomb in 2025; the standalone Grit product is being sunset.
Last verified: June 2026
Grit.io: Automated Code Migration and Tech Debt Remediation
Grit.io is an AI-powered tool that automates large-scale code modernization — migrating codebases between languages, frameworks, and versions at a scale impossible with manual effort. It generates pull requests that teams can review and merge, making tech debt remediation a systematic process rather than a heroic effort.
Automated Code Migrations
Grit combines static analysis with machine learning to understand code semantics and generate accurate transformations. Instead of rewriting code from scratch, it applies declarative transformation rules that produce clean, reviewable pull requests.
Key Features
- Language migrations: JavaScript to TypeScript, Python 2 to 3, and more
- Framework upgrades: AngularJS to Angular, React class to hooks, and more
- Tech debt automation: Systematic elimination of deprecated patterns
- PR generation: Produces reviewable pull requests, not just patches
- Declarative transforms: Define custom transformation rules for your codebase
- Large-scale operation: Handle millions of lines across hundreds of repos
Pricing
Contact Grit.io for pricing. Targeted at engineering teams with large codebases.
Pros
- + Automated tech debt remediation
- + Large-scale code migrations
- + Generates actual PRs
- + Declarative code transformations
- + Supports JS-to-TS and framework migrations
Cons
- - Narrow use case (migrations and modernization)
- - Pricing not public
- - Best for large codebases
What Users Actually Complain About
Grit was acquired by Honeycomb in April 2025 and the standalone migration product is being sunset, with its AI agents folded into Honeycomb. The open-source GritQL query engine remains available, but the hosted Grit.io migration service should not be relied on for new adoption.
Skip it if:
You need an actively maintained, standalone code-migration product — the hosted Grit service is winding down. Consider GritQL (open source) or alternative migration tools instead.
Based on community feedback from Reddit, HN, and G2 reviews.
Frequently Asked Questions
What is Grit.io?
AI code-migration tool (JS-to-TS, framework upgrades, modernization) built on the open-source GritQL engine. Acquired by Honeycomb in 2025; the standalone Grit product is being sunset.
How much does Grit.io cost?
Grit.io uses a paid pricing model with plans starting at Contact for pricing.
What are the main advantages of Grit.io?
The key advantages of Grit.io include: Automated tech debt remediation; Large-scale code migrations; Generates actual PRs; Declarative code transformations; Supports JS-to-TS and framework migrations.
What are the drawbacks of Grit.io?
Some limitations to consider: Narrow use case (migrations and modernization); Pricing not public; Best for large codebases.
What category does Grit.io belong to?
Grit.io is a AI Code Review tool developed by Grit.io.
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