--- title: "Cartesia vs Resemble AI: Which is searched more?" description: "Is Cartesia or Resemble AI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Text to speech APIs set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/compare/cartesia-vs-resemble-ai" publisher: "Brandwave" --- # Cartesia vs Resemble AI: Which is searched more? Is Cartesia or Resemble AI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Text to speech APIs set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: Cartesia and Resemble AI - **Competitive set**: Text to speech APIs - **Market**: Global - **Month measured**: Sep 2026 - **Cartesia Share of Search**: 2.7% - **Resemble AI Share of Search**: 0.17% ## Is Cartesia or Resemble AI more popular in search? - In September 2026, Cartesia had more branded searches than Resemble AI among text to speech APIs worldwide. Cartesia had about 201,000 branded searches, while Resemble AI had 12,800. Cartesia made up 2.7% of all text to speech API searches we track, and Resemble AI accounted for 0.17%. - The lead changed hands once in the 12 months ending September 2026: Cartesia took it in June 2026. - Across the 12 months ending September 2026, Cartesia’s share of searches among text to speech APIs worldwide moved from 0.11% to 2.7%, and its estimated monthly branded searches moved from 6.6K to 201K. - Across the 12 months ending September 2026, Resemble AI’s share of searches among text to speech APIs worldwide moved from 0.55% to 0.17%, and its estimated monthly branded searches moved from 34.2K to 12.8K. ## Top text to speech APIs in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Cartesia was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Resemble AI did not appear in any of the five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | ElevenLabs | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Cartesia | 2nd | 2 of 3 | 1 of 2 | 3 of 5 | | Amazon Polly | 3rd | 2 of 3 | 0 of 2 | 2 of 5 | | Murf AI | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Play.ht | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Resemble AI | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about text to speech APIs - Asked ChatGPT "Which text to speech API should I use?": 1. ElevenLabs, 2. Cartesia, 3. Amazon Polly - Asked ChatGPT "What are the best text to speech APIs?": 1. ElevenLabs, 2. Cartesia, 3. Amazon Polly - Asked ChatGPT "What's the best text to speech API for app voice features?": 1. ElevenLabs - Searched Google, AI Overview "text to speech api": 1. ElevenLabs, 2. Cartesia - Searched Google, AI Overview "tts api": 1. ElevenLabs Not named in any answer: Murf AI, Play.ht and Resemble AI. Brands are listed in the order each answer named them. The answers were collected in the United States on October 19, 2026. ## How did search popularity change for text to speech APIs worldwide in September 2026? - In September 2026, Cartesia overtook Murf AI to rank 2nd among text to speech APIs worldwide, with 2.7% of the searches. - Estimated monthly branded searches for Resemble AI worldwide fell 62.7% over 12 measured months, from 34.2K to 12.8K in September 2026. ## Month by month | Month | Cartesia estimated searches | Cartesia Share of Search | Cartesia rank | Resemble AI estimated searches | Resemble AI Share of Search | Resemble AI rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 6.6K | 0.11% | 6 | 34.2K | 0.55% | 4 | | Nov 2025 | 9.9K | 0.16% | 6 | 34K | 0.55% | 4 | | Dec 2025 | 5.4K | 0.08% | 6 | 34.2K | 0.48% | 4 | | Jan 2026 | 12.1K | 0.14% | 6 | 34K | 0.39% | 4 | | Feb 2026 | 12.1K | 0.16% | 6 | 27.9K | 0.38% | 4 | | Mar 2026 | 12.1K | 0.14% | 6 | 23K | 0.26% | 4 | | Apr 2026 | 9.9K | 0.13% | 6 | 22.9K | 0.31% | 4 | | May 2026 | 14.8K | 0.2% | 5 | 15.5K | 0.21% | 4 | | Jun 2026 | 22.2K | 0.25% | 4 | 15.6K | 0.18% | 5 | | Jul 2026 | 33.1K | 0.38% | 4 | 12.8K | 0.15% | 5 | | Aug 2026 | 74K | 0.86% | 3 | 12.8K | 0.15% | 5 | | Sep 2026 | 201K | 2.7% | 2 | 12.8K | 0.17% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using Cartesia’s and Resemble AI’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. - **Cartesia**: Measured on the search term “cartesia ai”. - **Resemble AI**: Measured on the search terms “chatterbox resemble ai”, “resemble ai detector”, “resemble ai voice” and “resembleai”, summed into one figure. - [Cartesia profile](/demand/global-en/brands/cartesia) - [Resemble AI profile](/demand/global-en/brands/resemble-ai) - [All text to speech APIs worldwide](/demand/global-en/categories/text-to-speech-apis): The set both shares are measured inside, 6 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Cartesia or Resemble AI more popular in search? In September 2026, Cartesia had more branded searches than Resemble AI among text to speech APIs worldwide. Cartesia had about 201,000 branded searches, while Resemble AI had 12,800. Cartesia made up 2.7% of all text to speech API searches we track, and Resemble AI accounted for 0.17%. ## Cite this page Brandwave. "Cartesia vs Resemble AI: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/cartesia-vs-resemble-ai This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/cartesia-vs-resemble-ai. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.