Zyphra
Founded Year
2021Stage
Series A | AliveTotal Raised
$11MValuation
$0000About Zyphra
Zyphra focuses on full stack probabilistic computing for AI and information processing in the technology sector. The company provides a platform for developing and testing AI models using probabilistic computing methods. It was founded in 2021 and is based in Palo Alto, California.
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Expert Collections containing Zyphra
Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.
Zyphra is included in 1 Expert Collection, including Unicorns- Billion Dollar Startups.
Unicorns- Billion Dollar Startups
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Latest Zyphra News
May 30, 2025
The US-based Resemble AI, a voice cloning platform, has open-sourced Chatterbox—its model that includes both text-to-speech and voice conversion capabilities—the company announced on X. A recent test conducted through Podonos was designed to assess the use of Resemble AI's Chatterbox and ElevenLabs in generating natural and high-quality speech. Both systems generate audio samples that range from 7 to 20 seconds in duration using the same text inputs (zero-shot, no prompt engineering, and audio processing). Participants were made to listen to audio samples from both these models, revealing that 63.75% of listeners preferred Chatterbox over ElevenLabs. The results also supported Chatterbox's position as a competitive open-source model that offers features like emotion control and rapid voice cloning. Chatterbox claims to be the first open-source model with emotion exaggeration control. It can adjust intensity from monotone to dramatically expressive with a single parameter. In February of this year, Resemble AI launched Rapid Voice Clone 2.0, a tool that allows users to create high-quality voice content using just 20 seconds of audio. This powerful tool facilitates seamless voice generation, editing, and localisation. Users can easily make instant modifications, such as swapping words, fine-tuning tone, or adjusting delivery, without re-recording. Open-source AI voice cloning is a groundbreaking technology that allows users to mimic voices with remarkable precision. A prime example is OpenVoice , developed through collaboration between researchers from MIT, Tsinghua University, and the Canadian startup MyShell, the website states Similarly, another AI startup, Zyphra, launched its open-source text-to-speech models in February. These models can clone a voice with only five seconds of sample audio, which generates realistic results with less than 30 seconds of recorded speech. Reports show that the models, each measuring 1.6 billion parameters, were trained on over 200,000 hours of speech data, which includes both neutral-toned speech, such as audiobook narration, and highly expressive speech.
Zyphra Frequently Asked Questions (FAQ)
When was Zyphra founded?
Zyphra was founded in 2021.
Where is Zyphra's headquarters?
Zyphra's headquarters is located at 380 Portage Avenue, Palo Alto.
What is Zyphra's latest funding round?
Zyphra's latest funding round is Series A.
How much did Zyphra raise?
Zyphra raised a total of $11M.
Who are the investors of Zyphra?
Investors of Zyphra include Intel Capital, Future Ventures, Bison Ventures, Metaplanet, Gaia Ventures and 3 more.
Who are Zyphra's competitors?
Competitors of Zyphra include Ampere, Groq, Anastasia, Activeloop, Axera and 7 more.
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