Lingo.dev

Paid

Turn LLMs into a stateful translation API for production-grade localization.

#Localization#Translation#Software Development#Automation#Real-time Translation#Batch Processing#CI/CD Integration#Developer Tools

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Type

Saas

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About Lingo.dev

Lingo.dev is an AI-powered localization engineering platform that lets teams configure localization engines to persist glossaries, brand voice, and per-locale model chains. These engines are callable via API, CLI, CI/CD, or MCP, providing stateful translation infrastructure. The platform enables retrieval-augmented localization, re-localizing only changed content while preserving context, and includes AI reviewers that score quality per dimension. With zero markup on LLM costs and usage-based pricing, it integrates into existing developer workflows to automate translations for apps, websites, emails, and databases. Testimonials from Supabase, Cal.com, and Papermark highlight its developer experience and consistency.

Key Features

AI-powered localization using top LLM models

Stateful translation API for production apps and services

CI/CD integration to block incomplete or untranslated releases

Automated Git PRs to keep locale strings in sync

JavaScript SDK for real-time client-side translations

PHP SDK for server-side and backend workflows

Powerful CLI for projects, batch processing, and scripts

MJML email template translation support via CLI

Language detection for automatic source identification

Glossaries and terminology management

Pros & Cons

Pros

Automated end-to-end localization workflows with CI/CD and Git integration
Context-aware translations with persistent glossaries and brand voice
Zero markup on LLM costs – only pay for infrastructure and AI reviews
Flexible integration via API, SDKs, CLI, and MCP
Quality AI reviewers score translations per dimension for auditability
Retrieval augmented localization reduces waste by re-translating only changed content

Cons

Pricing can be complex with multiple variables (LLM usage, infrastructure, AI reviews) requiring estimation
Free tier limited to 10,000 words/month on Hobby plan (legacy); new Sandbox tier is pay-as-you-go with no free allowance
Setup requires understanding of localization engines and configuration for optimal results

Best For

SaaS engineering teams: Automate UI string updates with Git-based PRs and CI/CD checks to prevent shipping untranslated content.Mobile app developers: Provide real-time in-app translations via the JavaScript/PHP SDKs and context-aware prompts.Localization engineers: Enforce terminology with glossaries, brand voice, and language detection across interfaces and emails.Marketing & growth teams: Localize marketing pages and MJML email campaigns with the CLI and automated workflows.Support & community teams: Translate user-generated and dynamic content in real time through the API/SDK.Data & platform teams: Batch-translate database fields and large datasets using the CLI and API.Startups: Launch globally from day one using the free tier and scale to Pro/Team as volume grows.Enterprises: Meet compliance needs with Enterprise SLAs, dedicated support, and advanced workflow controls.Open-source maintainers: Keep locale files synchronized with automated PRs and CI examples (e.g., GitHub Actions).Product managers: Coordinate full-stack localization across UI, site, and emails using the web editor and integrations.

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