AWS machine translation service that provides fast, high-quality, and affordable language translation for applications and workflows.
AWS machine translation service that provides fast, high-quality, and affordable language translation for applications and workflows.
Amazon Translate is a translation service that delivers fluent, accurate neural machine translation at $15 per million characters, with a free tier of 2 million characters per month for 12 months. It is built for developers, enterprises, and content teams needing scalable, API-driven localization.
Amazon Translate supports 75+ languages and language pairs, making it one of the most comprehensive cloud-based translation engines available. The service uses deep learning models trained on a diverse corpus of multilingual content, and it is tightly integrated into the broader AWS ecosystem. This means developers can pipe translated output directly into services like Amazon Comprehend for sentiment analysis, Amazon Polly for text-to-speech, or Amazon Transcribe for multilingual audio workflows. Both real-time and asynchronous batch translation modes are available, allowing teams to translate anything from a single chat message to millions of documents stored in Amazon S3. Custom Terminology lets organizations enforce specific translations for brand names, product names, or industry jargon, ensuring consistency across all translated content. Active Custom Translation (ACT) goes further, allowing users to upload parallel data corpora to fine-tune translation quality for their specific domain.
Based on our analysis of 870+ AI tools, Amazon Translate stands out in the Translation category for its pay-per-use pricing model, which avoids the fixed monthly subscriptions common among competitor tools. At $15 per million characters, it is competitively priced against Google Cloud Translation and Microsoft Translator, both of which charge similar rates but differ in ecosystem integrations and customization depth. Amazon Translate also supports formality customization—letting users choose between formal and informal register in supported languages—profanity masking to filter inappropriate content, and brevity control to produce more concise translations. Document translation supports HTML, DOCX, XLIFF, and plain text formats, preserving the original formatting. For enterprises already invested in AWS infrastructure, Amazon Translate offers seamless IAM-based access control, CloudWatch monitoring, and encryption at rest and in transit, making it a natural fit for security-conscious organizations. The service handles up to 100,000 bytes per real-time request and can scale to process large batch jobs asynchronously, making it suitable for both interactive applications and high-volume data pipelines.
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Amazon Translate uses deep learning models to produce fluent, natural-sounding translations across 75+ languages. The models are continuously improved by AWS, meaning translation quality improves over time without any action required from users.
Users can upload CSV or TMX files containing brand-specific or domain-specific terms that must always be translated in a defined way. This ensures consistency across all translated output and prevents the model from mistranslating product names, acronyms, or technical jargon.
ACT allows users to fine-tune the translation engine by providing parallel data—pairs of source and target sentences from their domain. This produces significantly higher quality translations for specialized fields like legal, medical, or financial content compared to the generic model.
The service supports both synchronous real-time translation via API for interactive use cases and asynchronous batch translation for processing large volumes of documents stored in Amazon S3. Batch mode preserves document formatting for HTML, DOCX, XLIFF, and plain text files.
Amazon Translate offers formality customization to switch between formal and informal register in supported languages, which is critical for customer-facing communications. Profanity masking automatically detects and filters profane words in the translation output, helping maintain content standards on user-generated platforms.
Free for 12 months
$15.00 per million characters
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In 2025-2026, Amazon Translate expanded its language coverage beyond 75 languages with additional language pairs and improved translation quality for existing languages through ongoing neural model updates. AWS introduced brevity control, allowing users to request more concise translations suited for UI strings and space-constrained contexts. Document translation added support for additional file formats including XLIFF 1.2 and 2.0 for tighter integration with professional localization workflows. The service also deepened its integration with Amazon Bedrock, enabling developers to combine large language models with Amazon Translate for hybrid translation and content generation pipelines. Formality settings were expanded to cover additional target languages, and batch translation throughput was increased for high-volume enterprise workloads.
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