AI/ML
Data/Analytics

Gradium

Advanced voice AI technology solutions

CORE INFO

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

Gradium is a Paris-based company that specializes in providing advanced voice AI technology solutions, offering real-time, scalable voice APIs for developers and enterprises across various industries.

  • Gradium secured a $70 million seed funding round led by FirstMark Capital and Eurazeo, with participation from notable investors like DST Global Partners and Eric Schmidt.techcrunch.com
  • TechCrunch reported on Gradium's emergence from stealth with a significant seed funding round, highlighting its potential in the AI voice technology sector.techcrunch.com

WHY WE WOULD WORK AT GRADIUM

Innovative Voice Technology

Join a team pioneering advanced voice AI solutions like real-time Text-to-Speech and Speech-to-Text APIs, transforming how people interact with machines.

Impactful Work

Contribute to sectors like healthcare and gaming, enhancing user experiences with natural voice interactions that make a real difference.

Strong Funding Backing

Be part of a well-funded startup that raised $70 million in seed funding, ensuring resources for growth and innovation.

Small, Agile Team

Work closely with a talented team of 2-10 experts, fostering collaboration and direct impact on product development and company direction.

Cutting-Edge Research

Engage with groundbreaking research and technology, translating over a decade of open research into production-ready voice AI systems.

Career Growth Opportunities

Benefit from a dynamic startup environment that encourages personal and professional development, with opportunities to shape the future of voice technology.

MARKET AND TRACTION

TOTAL ADDRESSABLE MARKET

  • Gradium's voice AI technology serves multiple sectors, including healthcare, customer support, market research, gaming, and digital advertising.

  • The demand for advanced voice solutions is growing as businesses seek to enhance user interactions and automate processes with natural voice capabilities.
  • KEY METRICS

    ✦ KEY METRIC
  • Gradium has successfully raised a total of $100 million in funding across two rounds, including a $70 million seed round and a $30 million seed extension.

  • The company operates with a small team of 2-10 employees, allowing for agile development and innovation in voice AI technology.
  • GROWTH TACTICS

  • Gradium focuses on a B2B model, providing usage-based and subscription SaaS services to developers and enterprises.

  • The company leverages partnerships with notable investors and industry leaders to enhance its market presence and technological capabilities.
  • COMPETITIVE ADVANTAGE

  • Gradium's technology is built on foundational audio language models that unify various voice functionalities into a single architecture, offering superior performance.

  • The company emphasizes ultra-low latency and real-time capabilities, making it suitable for high-demand applications across different industries.
  • NOTABLE CUSTOMERS

  • Gradium's technology is utilized in various sectors, including healthcare for patient interactions, customer support for efficient service, and gaming for realistic non-player character interactions.

  • The company aims to make natural, real-time voice the default interface between people and machines, appealing to a broad range of potential clients.
  • PRODUCT AND TECH

    Voice APIs

    Gradium offers real-time, scalable voice APIs, including Text-to-Speech (TTS) and Speech-to-Text (STT), enabling developers to integrate advanced voice capabilities into their applications seamlessly.

    Smart Turn-Taking

    This technology facilitates natural conversation flow in voice interactions, allowing for more human-like exchanges between users and AI systems, enhancing user experience.

    Instant Voice Cloning

    Gradium's instant voice cloning technology allows for the rapid replication of voices, making it possible to create personalized voice experiences for applications across various sectors.

    Audio Language Models

    The foundational audio language models developed by Gradium unify generation, transcription, transformation, and dialogue into a single neural architecture, improving the efficiency and quality of voice interactions.

    WebSocket APIs

    Gradium's WebSocket APIs are designed for bidirectional, real-time communication, ensuring ultra-low latency and stable performance even under high concurrency, which is critical for applications requiring immediate voice responses.

    COMPANY CULTURE

    Values

  • Innovation is at the core of our mission

  • Commitment to translating research into practical applications

  • Emphasis on collaboration and teamwork

  • Focus on creating natural, real-time voice interactions

  • Integrity and transparency in all business dealings
  • Operating Principles

  • Prioritize user experience in product development

  • Foster a culture of continuous improvement and learning

  • Encourage open communication and feedback among team members

  • Leverage cutting-edge technology to stay ahead in the industry

  • Maintain agility to adapt to market changes and client needs
  • Benefits

  • Opportunity to work with leading experts in voice AI technology

  • Flexible work environment that promotes work-life balance

  • Access to ongoing training and professional development

  • Competitive compensation and equity options

  • Collaborative and inclusive company culture
  • Learning & Growth

  • Regular workshops and training sessions on AI advancements

  • Mentorship programs with industry leaders

  • Encouragement to attend conferences and networking events

  • Support for pursuing further education and certifications

  • Focus on personal and professional development for all employees
  • Team Cadence

  • Weekly team meetings to align on goals and projects

  • Regular check-ins to discuss progress and challenges

  • Monthly brainstorming sessions to foster creativity

  • Quarterly reviews to assess performance and set future objectives

  • Open-door policy for ongoing dialogue with leadership
  • HIRING SIGNAL

    0
    Open roles on their careers page
    Snapshot via live ATS poll
    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
    5 announcements · ranked by importance
    Jul 8, 2026FUNDINGGradium Extends Funding to $100 Million and Expands to Silicon Valley | Gradiumgradium.ai
    Dec 2, 2025FUNDINGParis-based AI voice startup Gradium nabs $70M seed | TechCrunchtechcrunch.com
    Dec 2, 2025FOUNDER PROFILEGradium: Solving voice | Gradiumgradium.ai
    Jul 9, 2026CUSTOMER WINParis-based AI voice startup Gradium raises $100M seed, backed by Nvidia | TechCrunchtechcrunch.com
    Jan 22, 2026PRESSWhy Your Voice Cloning Sounds Fake (and How to Fix It)gradium.ai