DeepL vs TransPerfect:Which is more popular?
In September 2026, DeepL had more branded searches than TransPerfect among translation services worldwide. DeepL had about 16.6 million branded searches, while TransPerfect had 40,500. DeepL made up 6.8% of all translation service searches we track, and TransPerfect accounted for 0.02%. When we asked ChatGPT and Google AI Overviews about translation services, DeepL appeared in all three answers and TransPerfect in none.
Who do people search for more?
DeepL, about 410 searches for every 1 for TransPerfect
Who does AI mention more?
DeepL, mentioned in every answer we collected
Who does AI recommend more?
DeepL, the only one of the two named
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Top translation services in ChatGPT and Google AI Overviews
In three ChatGPT questions, DeepL appeared in all three answers. TransPerfect did not appear in any of the three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Google Translate3 of 3Named in 3 of 3 ChatGPT answers- DeepL3 of 3Named in 3 of 3 ChatGPT answers
Microsoft Translator2 of 3Named in 2 of 3 ChatGPT answers
Gengo1 of 3Named in 1 of 3 ChatGPT answers
Lionbridge0 of 3Named in 0 of 3 ChatGPT answers
TransPerfect0 of 3Named in 0 of 3 ChatGPT answers
Lokalise0 of 3Named in 0 of 3 ChatGPT answers
Smartling0 of 3Named in 0 of 3 ChatGPT answers
Unbabel0 of 3Named in 0 of 3 ChatGPT answers
See every answer about translation services
3 answers
Asked ChatGPT
“Which translation service should I use?”
Asked ChatGPT
“What are the best translation services?”
Asked ChatGPT
“What's the best translation service for document translation?”
Searched Google, AI Overview
“translation services”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“document translation service”
Google showed no AI Overview for this search.
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is DeepL or TransPerfect more popular in search?
This chart shows how often people search Google for DeepL and TransPerfect by name. Each line represents a brand's share of searches for all nine translation services we track, month by month, from English-language searches worldwide.
Share of searches by month for DeepL, TransPerfect. The figures are in the table below the chart.
View monthly share of searches table
| Month | Google Translate | DeepL | Microsoft Translator | Lionbridge | TransPerfect | Gengo | Lokalise | Smartling | Unbabel |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 91.6% | 8.2% | 0.15% | 0.01% | 0.02% | 0.01% | <0.01% | <0.01% | <0.01% |
| Nov 2025 | 91.4% | 8.2% | 0.33% | 0.01% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
| Dec 2025 | 92.8% | 6.8% | 0.28% | 0.01% | 0.01% | <0.01% | <0.01% | <0.01% | <0.01% |
| Jan 2026 | 91.5% | 8.2% | 0.27% | 0.02% | 0.02% | 0.01% | <0.01% | <0.01% | <0.01% |
| Feb 2026 | 92.8% | 6.8% | 0.33% | 0.02% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
| Mar 2026 | 91.6% | 8.2% | 0.12% | 0.02% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
| Apr 2026 | 93.1% | 6.9% | 0.02% | 0.01% | 0.01% | <0.01% | <0.01% | <0.01% | <0.01% |
| May 2026 | 93.1% | 6.9% | 0.02% | 0.01% | 0.01% | <0.01% | <0.01% | <0.01% | <0.01% |
| Jun 2026 | 91.6% | 8.3% | 0.02% | 0.02% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
| Jul 2026 | 93% | 6.8% | 0.1% | 0.02% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
| Aug 2026 | 94.2% | 5.7% | 0.08% | 0.02% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
| Sep 2026 | 93.1% | 6.8% | 0.02% | 0.02% | 0.02% | <0.01% | <0.01% | <0.01% | <0.01% |
How has the DeepL and TransPerfect comparison changed over the last 12 months?
3 findings
- DeepL was ahead of TransPerfect in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, DeepL’s share of searches among translation services worldwide moved from 8.2% to 6.8%, and its estimated monthly branded searches moved from 24.9M to 16.6M.
- Across the 12 months ending September 2026, TransPerfect’s share of searches among translation services worldwide held steady at 0.02%, and its estimated monthly branded searches moved from 49.5K to 40.5K.
How did search popularity change for translation services worldwide in September 2026?
2 changes
In September 2026, DeepL gained share of searches among translation services worldwide, from 5.7% to 6.8%.
Estimated monthly branded searches for TransPerfect worldwide fell 18.2% over 12 measured months, from 49.5K to 40.5K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using DeepL’s and TransPerfect’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
DeepL
1 branded search term
- deepl
TransPerfect
1 branded search term
- transperfect
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