Evaluating reliability — GenAI translations with human post-editing vs. conventional method by human translators — Stripo.electronic mail

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GenAI acts like a superhero that handles routine duties to save lots of us time associated to electronic mail localization. Bear in mind the statistics we shared from Language Impressed that concluded that combining GenAI translation with human post-editing may pace up the e-mail translation course of by a powerful 70–80%? However there are some questions: Is GenAI’s translation pretty much as good as translations performed by individuals? Can we belief GenAI translations?

Pushed by these questions, we performed some checks. We in contrast translations accomplished by human translators to these accomplished by a mixture of ChatGPT and human post-editing.

Overview of the interpretation processes

You most likely understand how translations are performed, however allow us to rewind somewhat.

Interview Professional

Kristaps Lapins,

Conventional method by human translators 

ISO 17100 commonplace for localization requires two proficient linguists:

GenAI + post-editing

In accordance with ISO 18587, the GenAITPE (GenAI + translation/post-editing) workflow balances automation with human experience by using:

AB take a look at: GenAI translations with human post-editing vs. conventional method

For our take a look at, we selected two emails — a promotional electronic mail and a set off electronic mail — and translated them into English, French, and Ukrainian utilizing each strategies. We enlisted 10 native-speaking linguists (two for French, two for English, and 6 for Ukrainian) to be able to assess the standard of the translations. We didn’t inform them if the translations have been produced by GenAI or people. Particularly, the Ukrainian linguists have been unaware that any model was GenAI-translated; they believed they have been merely selecting the better-sounding model.

Standards for assessing each translation strategies to decide on the suitable one

For the take a look at, we chosen the next criterion to be able to evaluate the strategies:

  • accuracy: We targeted on the precision of translations, guaranteeing that the which means of the unique textual content was preserved with out loss or distortion;
  • consistency in terminology: Sustaining consistency in phrases throughout all translations is vital. This contains utilizing the identical phrases in your web site and emails and avoiding utilizing totally different phrases for a similar factor. This helps forestall confusion and misunderstandings for the reader;
  • speech circulate: We aimed for translations so easy that native audio system would not be capable of detect whether or not an electronic mail was translated by a human or by ChatGPT;
  • time effectivity: Though we have mentioned the potential 70–80% time financial savings, we nonetheless monitored the time taken intently;
  • value effectivity: Evaluating the cost-effectiveness of every translation methodology was essential.

We have been not sure of the result of our checks. Our aim was to discover each strategies and to not sway you in the direction of both. Listed here are the outcomes.

Outcomes of assessing electronic mail translations


The French translations have been performed by the interpretation company Language Impressed.

The GenAI-translated content material was refined to reinforce its fluency and naturalness. Moreover, the post-editor corrected terminology, punctuation, and pronoun errors to make sure accuracy and readability.

Kristaps Lapins,

(* X is the amount of cash spent, X-30% means 30% much less)

Total impressions of the French-speaking linguists:

They mentioned that each variations have been correct, sounded good, and contained no errors.

Might any native audio system establish which electronic mail model was translated by GenAI?

None may pinpoint a model that sounded much less “human-like.” Nonetheless, they each most well-liked the model that was translated utilizing a conventional method as a result of it sounded extra pure to each of them.


For the Ukrainian GenAI translations, we instructed the post-editor to not manually post-edit these translations. As an alternative, they utilized ChatGPT, asking it to simplify and optimize its personal translations. The human function was restricted to approving or disapproving ChatGPT’s outputs.

(* X is the amount of cash spent, X-30% — means 30% much less)

Total impressions of Ukrainian-speaking linguists:

5 out of six individuals selected the model of each emails the place translations have been accomplished utilizing the standard method.

They noticed no errors within the emails, however the “conventional method” model was less complicated for them — it didn’t have unnecessarily lengthy phrases. Nonetheless, one individual favored the GenAI model higher due to these lengthy “poetic” phrases.

Might any native audio system establish which electronic mail model was translated by GenAI?

None may pinpoint a model that sounded much less “human-like.”


(* X is the amount of cash spent, X-20% means 20% much less)

Total impressions of the English-speaking linguists:

Each reviewers authorised each electronic mail variations and mentioned they understood and favored them. 

Might any native audio system establish which electronic mail model was translated by GenAI?

One reviewer recognized the model translated by GenAI as a consequence of its use of the phrase “vibrant.” They mentioned that this phrase can describe many issues however is extra naturally utilized in contexts like “vibrant colours” in work.

Total outcomes of those checks

All of us wish to see flawless emails in our inboxes. Nonetheless, when confronted with the selection between a flawless electronic mail in a overseas language or an electronic mail with a couple of lexical errors in our native language, we’re prone to forgive a couple of misspelled phrases and lexical errors.

These checks revealed that at the moment, there is no such thing as a good answer. Every methodology has its professionals and cons.

Conventional method by human translators



Please observe that should you go for human translation, to save lots of time, you possibly can obtain your electronic mail from Stripo as soon as it’s finalized within the editor. Ahead this file alongside along with your glossary to your translation company. Then merely add the translated variations again into Stripo. We are going to robotically create the language variations of the e-mail that you simply specify and insert the translated textual content into the respective sections of the e-mail, together with alt texts.

GenAI + post-editing



  • the copy could not sound as pure as human-translated textual content;
  • GenAI tends to make use of extra complicated phrases;
  • when you can request a human translator to test for cultural relevance, there’s an opportunity this data may not attain the translator. If a vacation is discovered to be irrelevant, it may lead to extra iterations to brainstorm new concepts after which translate the copy once more.

If you happen to select the GenAI + post-editing method, you possibly can have your copy translated straight in Stripo after which assign a proofreader to evaluation your copy straight within the editor, saving time.

Wrapping up

  1. Each strategies — GenAI + post-editing and the standard method by human translators — confirmed good outcomes, and you may belief each. Not one of the individuals indicated that any of the e-mail variations would deter them from the e-mail or immediate them to unsubscribe. In truth, minor particulars and discrepancies in translations don’t have any impact on prospects’ buying choices.
  2. Select the tactic primarily based in your priorities: If time and price are your major issues, GenAI with post-editing would possibly go well with you as a consequence of its effectivity and decrease expense. Nonetheless, if you’d like the best high quality and most natural-sounding translations, human-only translations is perhaps preferable.
  3. Present a glossary: Whatever the translation methodology chosen, offering a complete model glossary to your translation company or workforce is essential for sustaining model consistency and guaranteeing that key phrases are translated appropriately.
  4. Set up suggestions: Set up a suggestions system. That is particularly vital if you select the GenAI + post-editing methodology, as ChatGPT tends to enhance with suggestions.
  5. Attempt a hybrid method: Whereas all native audio system seen variations in promotional emails, none recognized a big distinction in set off emails. Subsequently, you would possibly think about using every methodology based on your present wants.