Hard facts side by side: free tiers, prices, limits, SDKs and privacy. Every value links to the official page it came from and is re-checked every week.
| Fact |  DeepL |
|---|---|
| Size limit | 128 KiB per request Headers are limited to 16 KiB; retry 429 responses with exponential backoff. Source, Oct 5, 2026 |
| Official SDKs | Python |
Official client libraries; community libraries cover other languages.
| Trains on your data | No DeepL states Pro customer data is never used to train its models. Source, Oct 5, 2026 |
|---|
| Compliance | SOC 2ISO 27001GDPRHIPAA Listed as ISO 27001, SOC 2 Type II, HIPAA and GDPR certifications. Source, Oct 5, 2026 |
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Wirestack