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Fast
Sub-500ms typical API response time with smart caching.
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100K free characters
Per month
$1 per million characters
Pay-as-you-go
Compatibility routes
Google, DeepL, and Microsoft Translator
Glossary
Enforce your terminology
Structured data
Preserves formatting
Built-in privacy
Configurable retention
Sub-500ms typical API response time with smart caching.
Rigorously tested on real-world texts from numerous domains.
Transparent character-based pricing that scales with you.
Translation that reads naturally in product, support, and community conversations.
Glossaries, placeholders, and formatting controls keep your brand language stable.
Tenant isolation, API key safety, privacy controls, and no training on API data by default.
Request IDs, usage tracking, fallback-aware routing, and operational visibility you can trust.
Pick the workflow closest to your product and see how Lexel handles the content, formatting, and terminology that usually break translation.
Localize UI strings, onboarding flows, in-app messages, notifications, and user-generated content.
What’s covered
UI text & notifications
Onboarding & help content
User comments & messages
In-app support
Glossary & brand consistency
Placeholders like {{userName}} stay untouched, keeping translations personalized.
100K characters
$1 per 1M characters
Benchmark results compare Lexel Translate against Google Translate, DeepL, and Microsoft Translator.
Benchmarked on WMT24++, an open industry-standard dataset.
Scores across 51 English-to-target language pairs; averages use the 33 pairs with every provider result
We also run format/placeholder checks, CJK regression tests, and human review on key pairs.
Benchmark summary
lexel offers the best translations in most language pairs
Highest translation accuracy in 30 out of 51 language pairs.
Ties count for every provider at the top score.
Lexel offers the best overall translations
Highest average score (84.0) across the compared providers.
Translation accuracy is given as the normalized MetricX score on the latest Workshop on Machine Translation test dataset (WMT24++).
API Quickstart
curl -X POST https://translate.lexel.ai/api/v1/translate \-H "Authorization: Bearer $LEXEL_API_KEY" \-H "Content-Type: application/json" \-d '{"request_id": "req_home_demo_001","src": "ja-Jpan","tgt": "en-Latn","input": { "items": [{ "txt": "感謝您的支持！" }] }}'
Try the browser for free. Accounts and Premium API access are currently invitation-only; request access to get started.
Generate a personal, organization, or team key in seconds.
Use sync translate, async jobs, or direct-upload document jobs.
Premium characters cover API calls, batch requests, async jobs, and team keys.
Lexel is built for real API workloads with scoped access, tenant boundaries, auditability, and privacy-first defaults.
Scoped keys, rotation, revocation, and usage visibility for production access.
Organization and team boundaries keep customer data separated by scope.
API data is not used for training by default in the production workflow.
History tracking, deletion requests, exports, and retention behavior stay configurable.
Request IDs, usage records, and export-friendly records support operational review.
SSO and deeper enterprise controls remain on the roadmap as higher-tier capabilities mature.
Start free in your browser. Add Premium characters when you need the API.