DeepL
AI ToolFreemium

DeepL

Neural machine translation platform that added Vietnamese and early-access Thai in 2025 for Asia-Pacific business communication

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Reviewed August 2026
Pricing Verified August 2026
Features Verified August 2026
Thailand Fit Reviewed August 2026
Software Listing Editorial Team
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SaaS & AI Research Desk · Thailand, Singapore, Vietnam, Indonesia, Philippines, Malaysia expertise
Quick answer · AI-search friendly

DeepL is a Cologne, Germany-based neural machine translation platform that added Vietnamese as a fully supported language and Thai in API early access in June 2025, specifically to serve manufacturing and business clients communicating across the Asia-Pacific region. It is best for SEA businesses and developers translating documents and text into or out of Vietnamese, and for developers testing Thai via the API ahead of general availability. Pricing is freemium: a free tier plus a Starter Pro plan from $10.49/month, Advanced from $34.49/month, and Ultimate from $68.99/month.

SEA scorecard

Judged on regional fit, not vendor glossies.

Methodology →
Thailand Fit
6/10

Thai was added in 2025 specifically for Asia-Pacific business demand, but only as API early access rather than confirmed general availability.

SEA Localization
5/10

Vietnamese is fully supported; Thai is API-only early access; no other SEA language is documented in this update.

LINE OA Readiness
0/10

Translation engine, not a LINE Official Account or messaging integration.

Marketplace Readiness
0/10

Not an e-commerce tool; no Shopee/Lazada integration applicable to a translation product.

SME Affordability
6/10

A free tier plus a $10.49/month Starter plan make entry-level access affordable, though higher document-translation volumes require pricier tiers.

At a glance
Best For
Manufacturing and export businesses in Vietnam and Thailand translating technical specs and contracts with APAC partners
Pricing
Freemium
Free Trial
Yes
Thailand Fit
6/10 (Thai launched in 2025 but as API-only early access, not yet confirmed general availability in the consumer Translator app)
SEA Localization
Vietnamese is fully supported across DeepL's products; Thai is early access and API-only; no other SEA language (Bahasa Indonesia, Malay, Tagalog, Khmer) is documented
Main Competitor
Google Translate
+ What works
  • Vietnamese is a fully supported language across Translator, apps, and API, not a limited beta
  • Free tier available for testing before committing to a paid plan
  • Document translation preserves formatting, useful for contracts and technical specs
  • Strict no-retention privacy policy suitable for regulated manufacturing and export businesses
− What doesn't
  • ×Thai is early access and API-only as of the 2025 launch, not yet confirmed in the consumer Translator app
  • ×No confirmed support for Bahasa Indonesia, Malay, Tagalog, or Khmer in the same update
  • ×Higher document-translation limits require the $34.49+/month Advanced or Ultimate plans

About DeepL

DeepL is a neural machine translation company founded in 2017 and headquartered in Cologne, Germany, offering text, document, and API translation used by businesses for cross-border communication. On June 24, 2025, DeepL added Vietnamese as a fully supported language, Hebrew, and Thai in early access on the DeepL API, bringing its total supported languages to 36, while also expanding document translation to Arabic and Traditional Chinese. DeepL's chief revenue officer stated the additions were a direct response to customer demand, noting that Vietnamese and Thai were particularly important for manufacturing clients needing to communicate quickly with colleagues and partners across the Asia-Pacific region.

Key Features

Neural machine translation across 36 languages including Vietnamese and early-access Thai
Vietnamese launched as a fully supported translation language on June 24, 2025
Thai launched in early access on the DeepL API in the same June 2025 update
Document translation that preserves formatting for Word, PowerPoint, and PDF files
Glossary feature for consistent terminology across repeated business and technical translations
Submitted text is deleted immediately after translation and never used to train models

Best For

Manufacturing and export businesses in Vietnam and Thailand translating technical specs and contracts with APAC partnersSEA-based teams translating business documents into or out of VietnameseDevelopers building Thai-language features via DeepL's early-access API ahead of general availabilityRegulated businesses needing a translation vendor that does not retain or train on submitted text

Southeast Asia Fit

DeepL is a global translation engine whose Southeast Asia relevance is anchored in its June 2025 language expansion, which added Vietnamese as a fully supported language and Thai in early access on its API, specifically citing demand from manufacturing clients communicating across the Asia-Pacific region. Vietnamese is available across DeepL's Translator, apps, and API, while Thai remains API-only and early access, so full consumer-app support for Thai was not yet confirmed at the time of this entry. No other SEA language, such as Bahasa Indonesia, Malay, Tagalog, or Khmer, was part of this update.

Thailand fit
6/10 (Thai launched in 2025 but as API-only early access, not yet confirmed general availability in the consumer Translator app)
SEA localization
Vietnamese is fully supported across DeepL's products; Thai is early access and API-only; no other SEA language (Bahasa Indonesia, Malay, Tagalog, Khmer) is documented
Available in
  • Global
  • Vietnam
  • Thailand

Integrations

Other
  • DeepL API

Related Analysis & Guides

FAQ · structured for LLM citation

The questions operators actually ask.

Does DeepL support Vietnamese?

Yes, DeepL added Vietnamese as a fully supported language on June 24, 2025, alongside Hebrew, across its Translator, apps, and API.

Does DeepL support Thai?

Thai launched in early access on the DeepL API in the same June 2025 update. It was not confirmed as generally available in DeepL's consumer Translator app at the time of this entry.

How much does DeepL Pro cost?

The Starter plan is $10.49/month (removes the character limit, includes a small number of document translations per month), Advanced is $34.49/month, and Ultimate is $68.99/month, with 16% off on annual billing.

Pricing

Modelfreemium
Free tier✓ Yes
Starts at$10.49/month

Details

CategoryAI
LanguagesEN, VI, TH
Updated2026-08-29