AI/ML
Data/Analytics

Gradium

Advanced voice AI technologies

CORE INFO

$70M
Total Funding
Seed
Round
2025
Founded
2-10
Team Size
Paris, France
Headquarters

Gradium is a Paris-based company that develops advanced voice AI technologies, offering scalable voice APIs for developers and enterprises to enable natural and expressive voice interactions.

  • Gradium secured a $70 million seed round led by FirstMark Capital and Eurazeo, with participation from notable investors like Eric Schmidt and Xavier Niel.techcrunch.com
  • TechCrunch reported on Gradium's emergence from stealth with its significant seed funding, highlighting its potential impact on the AI voice interface market.techcrunch.com

WHY WE WOULD WORK AT GRADIUM

Innovative Voice AI

Join a pioneering team developing cutting-edge audio language models that redefine voice interactions, including real-time TTS and STT APIs.

Mission-Driven Culture

Contribute to Gradium's mission of making natural, real-time voice the default interface between people and machines, impacting how users interact with technology.

Competitive Compensation

Benefit from a strong seed funding of $70 million, ensuring competitive salaries and resources to support your work and growth.

Expert Leadership

Work alongside founders with deep expertise from Google DeepMind and Meta, driving innovation in voice AI technologies.

Small, Agile Team

Be part of a close-knit team of 2 to 10 employees, allowing for significant contributions and a collaborative work environment.

Cutting-Edge Research

Engage in translating over a decade of open research into production-ready systems, pushing the boundaries of voice algorithm development.

MARKET AND TRACTION

TOTAL ADDRESSABLE MARKET

  • Gradium's technology is applicable across various sectors, including customer experience, gaming, and industries requiring advanced voice AI solutions.

  • The demand for voice AI technologies is rapidly increasing as businesses seek to enhance user interactions through natural voice interfaces.
  • KEY METRICS

    ✦ KEY METRIC
  • Gradium has secured $70 million in seed funding, marking it as one of the largest European AI seed rounds of the year.

  • The company operates with a small team of 2 to 10 employees, indicating a focused and agile development environment.
  • GROWTH TACTICS

  • Gradium emphasizes translating over a decade of open research into production-ready systems, which positions them as innovators in the voice AI space.

  • The company aims to continually push the frontier of research to invent the next generation of voice algorithms, enhancing their competitive edge.
  • MARKET POSITION

  • Gradium is positioned as a significant player in the voice AI landscape, emerging from stealth in December 2025 with substantial funding backing.

  • The company's mission is to make natural, real-time voice the default interface between people and machines, aligning with current trends in AI development.
  • SERVICES

  • Gradium offers real-time, scalable voice APIs for text-to-speech (TTS), speech-to-text (STT), smart turn-taking, and instant voice cloning.

  • Their business-to-business (B2B) model provides usage-based and subscription-based Software as a Service (SaaS) solutions tailored for developers and enterprises.
  • PRODUCT AND TECH

    Voice APIs

    Gradium offers real-time, scalable voice APIs for text-to-speech (TTS) and speech-to-text (STT) functionalities, enabling developers to integrate advanced voice capabilities into their applications seamlessly.

    Smart Turn-Taking

    This technology allows for natural and efficient voice interactions by managing the flow of conversation, ensuring that voice communications are smooth and intuitive for users.

    Instant Voice Cloning

    Gradium's instant voice cloning technology enables the rapid creation of voice replicas, allowing for personalized and expressive voice interactions that can enhance user engagement.

    Audio Language Models

    The company specializes in developing advanced audio language models that support multiple languages, facilitating natural and expressive voice interactions across diverse applications.

    Ultra-Low Latency Solutions

    Gradium's technologies are designed to deliver ultra-low latency voice interactions, making real-time communication between users and machines more effective and responsive.

    COMPANY CULTURE

    Values

  • Innovation is at the core of our mission

  • Commitment to translating research into practical solutions

  • Emphasis on collaboration and teamwork

  • Passion for advancing voice AI technology

  • Integrity in all business dealings
  • Operating Principles

  • Focus on user-centric design in product development

  • Maintain a culture of continuous learning and adaptation

  • Foster an environment of open communication and feedback

  • Encourage experimentation and risk-taking in technology development
  • Benefits

  • Opportunity to work on cutting-edge voice AI technologies

  • Flexible work environment that promotes work-life balance

  • Access to professional development resources

  • Competitive compensation and equity options
  • Learning & Growth

  • Regular workshops and training sessions on AI advancements

  • Mentorship opportunities from industry experts

  • Encouragement to attend conferences and networking events

  • Support for pursuing further education in relevant fields
  • Team Cadence

  • Agile team structure promoting quick iterations

  • Regular team meetings to align on goals and progress

  • Bi-weekly check-ins to discuss challenges and successes

  • Open-door policy for discussing ideas and feedback
  • HIRING SIGNAL

    0
    Open roles on their careers page
    Snapshot via live ATS poll
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    Net new roles in the last 90 days
    Available once weekly history accrues
    90-Day VelocityV2 · BACKFILL
    Trend builds weekly as historical rows accrue
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    9 announcements · ranked by importance
    Jul 9, 2026FUNDINGParis-based AI voice startup Gradium raises $100M seed, backed by Nvidia | TechCrunchtechcrunch.com
    Dec 2, 2025FUNDINGParis-based AI voice startup Gradium nabs $70M seed | TechCrunchtechcrunch.com
    Dec 2, 2025PRESSGradium: Solving voicegradium.ai
    Feb 19, 2026INTERVIEWVoice AI’s Big Moment: Why Eve… - The MAD Podcast with Matt Turck - Apple Podcastspodcasts.apple.com
    Jul 30, 2024INTERVIEW️ Neil Zeghidour : Moshi, l'IA vocale qui révolutionne nos conversations | Comptoir IA #86 - Comptoir IA ️ | Acastshows.acast.com
    Jul 7, 2026CUSTOMER WINGradium Powers RMC BFM Drive: AI-Generated Personalized Radio in Renault Vehiclesgradium.ai
    Feb 5, 2026CUSTOMER WINAcolad and Gradium Partner to Advance Enterprise-Ready AI Interpretinggradium.ai
    Jan 1, 2026CUSTOMER WINGradium powers global voice AI, powered by Stripe paymentsstripe.com
    May 1, 2026AWARDGradium #1 on Coval TTS Benchmarksgradium.ai