DeepL vs Duolingo

DeepL Voice now preserves your voice in real-time multilingual conversations

DeepL announces that DeepL Voice now preserves your voice in real-time multilingual conversations, as highlighted in the newsroom with a dedicated announcement dated September 15, 2026.

DeepL Voice now preserves your voice in real time across languages

Real-time voice translation now preserves each speaker's tone and voice across languages, with a unified desktop app for Zoom, Teams, and Google Meet.

DeepL Partners with Legal AI Startup Harvey for Document Translation

German AI translation company DeepL has struck a partnership with US legal AI startup Harvey to provide legal document translation services. The deal is part of DeepL's strategy to expand into heavily regulated industries, including legal, financial services, pharmaceuticals, and life sciences. DeepL, valued at $2 billion in 2024, will handle over a third of Harvey's total document translation volume. Harvey, valued at $11 billion and reportedly raising at a $15.5 billion valuation, serves more than 2,000 lawyers across over 2,400 organisations. DeepL, which cut 250 employees earlier in 2026, says the accuracy and security of its technology are well suited to complex legal work. Its other clients include Taylor Wessing, SoftBank, and Mazda. DeepL CEO Jarek Kutylowski said the partnership brings specialised Language AI capabilities to legal teams working across borders.

• DeepL and Harvey struck a partnership for legal document translation.
• DeepL will handle over a third of Harvey's total document translation volume.
• DeepL was valued at $2 billion in 2024.

Brawl Stars and Duolingo Launch Crossover Event

Supercell and Duolingo have launched a global crossover event featuring Brawl Stars' character Spike and Duolingo's mascot Duo. Running from September 19 to September 30, the event follows playful social media rivalry. In Brawl Stars, Duo becomes a boss in a new 20v1 game mode, while Spike appears in Duolingo as part of a limited-time Quest. Completing Duolingo challenges unlocks Spike in Brawl Stars, encouraging cross-platform engagement with exclusive rewards and community events. This partnership highlights the trend of cross-promotional marketing between mobile games and consumer apps. AppMagic estimates Duolingo has generated $2.62 billion in lifetime IAP revenue, while Brawl Stars has earned $2.42 billion. Duolingo previously ran crossovers with Genshin Impact and Angry Birds.

• Supercell and Duolingo announced a crossover between Brawl Stars and Duolingo, running from September 19-30.
• Duo becomes a boss in a new 20v1 Brawl Stars game mode, while Spike appears in Duolingo as a limited-time Quest.
• Completing Duolingo challenges unlocks Spike in Brawl Stars, encouraging cross-platform engagement.

Eight Emerging Voice AI User Interface Patterns Mapped

This article maps eight emerging Voice AI user interface patterns across consumer and enterprise voice products, analyzing the perceived role of the AI agent in each, key design decisions, and limitations. The patterns include avatar video calls, turn-by-turn interactions, AI phone calls, voice-augmented chat, voice-to-text dictation, scripted video with voice gating, co-pilot transcripts, and ambient wake-word assistants. The author examines products like Duolingo, MasterClass, Tolan, HireVue, Final Round AI, Vapi, ChatGPT, Claude, Wispr Flow, Speak, Teuida, Granola, Otter, Fireflies, and Gong. The piece highlights the shift from intent-matching to conversation design, emphasizing the importance of agent persona, interaction mechanics, and the balance between full-screen and inline voice modalities.

• The article outlines eight Voice AI UI patterns: avatar video call, turn-by-turn, AI phone call, voice-augmented chat, voice-to-text, scripted video + voice, co-pilot transcript, and ambient wake-word.
• Products mentioned include Duolingo, MasterClass, Tolan, Replika, HireVue, Final Round AI, Supernova, Ringg AI, Retell, Vapi, ChatGPT, Claude, Gemini Live, Wispr Flow, Spokenly, Speak, Teuida, Granola, Otter, Fireflies, and Gong.
• Vapi reports that outbound conversion improved from 14% to 22% after rewriting an agent to sound like a colleague.

Duolingo launches fashion line for hard-to-pronounce brands

Duolingo is launching a marketing campaign timed to New York Fashion Week, featuring a capsule collection called 'The Phonetic Collection.' The collection includes wearable items with phonetic spellings of fashion brand names, such as a purse spelling 'air-mess' for Hermés and a jacket reading 'zhee-vahn-shee' for Givenchy. Designer Megan O'Cain created the pieces. An out-of-home campaign will run in New York City, and a pop-up event will be held at Null Object. Duolingo's CMO, Manu Orssaud, said the campaign aims to engage the audience by connecting language learning to fashion. A survey with YouGov found that while 62% of Americans are confident they can pronounce Hermés, only 15% actually know the correct pronunciation. The collection launches on September 8, 2026.

• Duolingo launched 'The Phonetic Collection' on Sept. 8, 2026, tied to NYFW.
• Campaign includes out-of-home ads in NYC and a pop-up at Null Object.
• Designer Megan O'Cain created the wearable pieces.