Lingo.dev
by Lingo.dev 路 San Francisco, USA 路 Founded 2023
LLM localization engines and quality audits for software teams
Reviewed by the the30top research team 路 Last reviewed 2026-10-27
Overview
Lingo.dev is a Y Combinator backed localization platform built around configurable LLM translation engines that plug into GitHub, GitLab, Bitbucket and a public API. Pricing is usage based, with the LLM provider's cost passed through with no markup. Its current pitch leans heavily on measuring translation quality rather than on managed translation, and human review, SSO, audit logs and the SOC 2 report sit on the custom Enterprise plan only.
Our verdict
A sensible pick for developer teams that want transparent usage pricing and control over which models translate which locale. Teams that need managed human review should expect to talk to sales.
Best for
Engineering-led teams that want to run LLM translation and quality checks inside their own code and CI pipeline.
Avoid if
You want a managed service with human linguists included or a visual translation workspace for non-technical teams.
Pros
- Free sandbox plan and public Production pricing
- LLM costs pass through with no markup
- Works from the repo, API, CLI or MCP
Cons
- Human review is Enterprise only
- Sandbox is capped at 100K tokens a day
- Homepage now centres on quality audits more than translation
Key capabilities
Frequently asked questions
How much does Lingo.dev cost?
The Sandbox plan starts at $0 a month and Production is $99 a month plus usage. Engines are $0.50 each per month and LLM costs pass through with no markup. Enterprise is custom.
Does Lingo.dev include human translators?
Not on the self-serve plans. Human-in-the-loop review and post-localization human review are listed on the Enterprise plan only.
Can I call Lingo.dev from my own code?
Yes. The pricing page lists a sync and async API, a management API and MCP, and webhooks on every plan, plus GitHub, GitLab and Bitbucket integrations.