Locize vs. i18nexus:Live i18next Infrastructure vs. TMS for Next.js

i18nexus is a translation management platform focused on JavaScript apps (Next.js).
Locize provides a live, i18next-native backend with a CDN and realtime delivery model, built by the creators of i18next.

Different focuses: Live delivery vs. developer-centric TMS

Both platforms help you manage translations, but they approach the developer workflow differently.

i18nexus

Pre-translation features: Machine pre-translation and automation geared at speeding up initial translation drafts.
JavaScript focus: Public docs and integrations emphasize Next.js and React usage.
CLI & API access: Offers a CLI for pulling translations and REST endpoints to download JSON programmatically.
Starter-friendly: Public pricing indicates a free tier for small projects.

Locize

i18next-native backend: Built by the creators of i18next and optimized for i18next workflows.
Live CDN delivery: Realtime updates via CDN so translations go live without redeploys.
Import/Export & CLI: Broad file-format support and a CLI to sync with repositories and CI/CD.
Flexible pricing: Usage-based or fixed plans available. No per-seat MAU penalties.

When to pick which

Choose i18nexus if:

You want fast machine pre-translation and editor workflows geared toward Next.js teams.
You prefer an opinionated, lightweight dashboard with CLI/API access for pulling JSON into your build.
You’re starting small and want a free-to-start option.

Choose Locize if:

You need an i18next-native backend with live CDN delivery and instant publishing.
You want broad format support, a syncable CLI for CI/CD, and pricing tied to technical usage rather than user counts.
Your team values tight alignment with i18next and its ecosystem.

AI Translation Infrastructure

Both platforms offer machine translation. Locize adds a full AI layer: BYOK for OpenAI, Gemini, and Mistral, plus a built-in AI service. Your styleguide, glossary, and translation memory are injected into every AI prompt, producing consistent translations without manual prompt engineering.

The Locize MCP server connects AI coding assistants directly to your translation projects: 22 tools for the full workflow. Why not just use AI? →

i18nexus Migration Guide Start Free Trial

Frequently asked questions

What is the difference between Locize and i18nexus?

Both are developer-oriented translation platforms for JavaScript apps. i18nexus focuses on machine pre-translation and a lightweight dashboard, with public docs and integrations centred on Next.js and React. Locize is built by the creators of i18next as an i18next-native backend, adding live CDN delivery, broad file-format support, namespaces, branches, and per-tenant overrides for SaaS products.

Is i18nexus free?

Its public pricing indicates a free tier suitable for small projects, with paid plans above it. Locize also has a free plan (2,000 words, 2 languages), fixed plans, and usage-based capacity in blocks on top, so you pay only for what you use. For a genuinely small project both are inexpensive, so the deciding factor is usually workflow rather than price.

When should I choose Locize over i18nexus?

Choose Locize when you want an i18next-native backend rather than a CLI that pulls JSON into your build: saveMissing working with no custom code, translations published live to a CDN without redeploys, git-style branches matching your release workflow, and multi-tenant overrides if you run a SaaS product. Broad format support beyond JSON also matters if you ship more than a web app.

When should I choose i18nexus over Locize?

i18nexus is a good fit if you want a lightweight, opinionated dashboard geared at Next.js teams, if fast machine pre-translation of initial drafts is your main need, and if pulling JSON into your build at deploy time suits you fine. If you do not need runtime delivery, branches, or formats beyond JSON, its simplicity is an advantage rather than a limitation.

Can I migrate from i18nexus to Locize?

Yes. Both work with standard JSON translation files, so exported resources can be imported through the Locize CLI or Import API. If you already use i18next, the runtime change is typically swapping your backend plugin for i18next-locize-backend. A step-by-step i18nexus migration guide is in the docs.