Pricing comparison
Real pricing based on monthly character volume. All prices in USD.
| Volume | DeepL Growth | Langbly |
|---|---|---|
| Included usage | 1M/mo or 12M/yr | 500K/mo |
| 1M chars/mo | Check live plan | $2.50 |
| 5M chars/mo | Check live plan | $22.50 |
| 25M chars/mo | Check live plan | $122.50 |
| 50M chars/mo | Plan limit | $247.50 |
Feature comparison
| Feature | DeepL Growth | Langbly |
|---|---|---|
| Current production plan | Growth | Pay as you go |
| Published additional usage rate | Check live plan | $5/1M input chars |
| Monthly base fee | Yes | $0 |
| Languages supported | Check current language list | 100+ |
| Formality control | ||
| Glossary support | ||
| HTML preservation | ||
| API format | DeepL-specific | Google Translate v2 compatible |
| Built-in result cache | Up to 1 hour | |
| Strict EU endpoint | See DeepL plan terms | eu.langbly.com |
| Payment details required |
DeepL: established translation platform
DeepL has a strong reputation, particularly for European-language translation, and offers glossaries, formality controls and document translation. New API customers use Developer for evaluation or Growth for recurring production usage; the old API Free and API Pro plans are retired.
Growth includes one million characters per month on monthly billing or twelve million per year on annual billing, plus overage, with a 50-million-character monthly limit. Check DeepL's live plan selection for the current price.
Langbly: v2 compatibility and usage-based billing
Langbly follows the Google Translate v2 request and response format. Teams already using that format can often migrate by changing the endpoint and API key, then testing their existing parsing and language pairs.
Payment details are required to activate the API. The first 500,000 input characters each month are included; additional usage costs $5 per million input characters and there is no monthly base fee.
Choose with a representative test set
Translation quality depends on language pair, content type, terminology and tone. Test both services on representative production content and review the output with a fluent speaker. Compare the full bill for the same volume rather than a legacy headline rate.
Use DeepL when its workflow, language quality and established tooling win for your case. Use Langbly when Google v2 compatibility, context controls, broader coverage or its billing model are more important.
Frequently asked questions
Is DeepL API Free still available?
No. DeepL says API Free and API Pro can no longer be purchased. Developer is the evaluation plan and Growth is the recurring production plan.
Is Langbly always cheaper than DeepL?
Do not use a universal percentage. Langbly has a published $5 per million additional input character rate; DeepL Growth combines included usage, a subscription and overage. Compare the current total for your volume and billing option.
Can Langbly replace DeepL without code changes?
No. DeepL uses its own API format, while Langbly follows Google Translate v2. A DeepL integration needs an adapter or SDK change.
Does Langbly require payment details?
Yes. Payment details are required to activate API access. The first 500,000 input characters each month are included.
Which service has better translation quality?
There is no reliable universal winner. Test both on your own language pairs, terminology and content, then have representative output reviewed by fluent speakers.