Bold
Onyx projects strength and confidence with every syllable. This bold voice is built for high-impact moments: announcements, promotional content, and messaging that needs to cut through the noise. Onyx's commanding presence ensures your most important messages are heard and remembered.
The power of Onyx lies in its ability to create urgency and importance without sounding aggressive. Marketers use Onyx for product launches, limited-time offers, and brand campaigns because the voice naturally conveys that something significant is happening. Listeners pay attention when Onyx speaks, which translates directly to better engagement metrics.
In competitive advertising environments, Onyx helps content stand out from the crowd. Radio spots, pre-roll ads, and promotional videos all benefit from Onyx's distinctive presence. A/B testing consistently shows that Onyx-voiced advertisements generate higher recall rates than alternatives, making it a favorite among marketing teams.
Event producers and conference organizers also gravitate toward Onyx for opening announcements and keynote introductions. The voice sets a professional, high-stakes tone that primes audiences for important presentations. When Onyx announces a speaker, the room naturally falls quiet in anticipation.
Detailed analysis of Onyx's unique vocal qualities.
Bold and powerful, commanding presence
Low-medium, strong and confident
Impactful and purposeful, attention-grabbing
Strong and defined, broadcast quality
Confident and assertive, memorable
Listen to Onyx across different sample types, models, and speeds.
Onyx is particularly well-suited for these applications.
Best practices for getting the most out of Onyx in your projects.
Deploy Onyx for announcements, launches, and any content where capturing attention is critical
Use Onyx for promotional videos and advertisements where a bold presence improves recall
Keep Onyx scripts punchy and impactful - the voice amplifies already-strong messaging
Consider Onyx for event introductions and keynote announcements to set a professional tone
Avoid using Onyx for extended content - its intensity works best in shorter, high-impact segments
Explore how Onyx compares to other OpenAI TTS voices.
Balanced default voice. Works across most use cases without drawing attention.
Approachable and friendly. Good for chatbots and casual interactions.
Clean and polished. Suited for business, education, and formal content.
Low and authoritative. Natural fit for narration and documentary content.
Energetic character. Works for audiobooks and personality-driven reads.
Upbeat without overdoing it. Works for apps, tutorials, and customer-facing use.
Steady pacing, no rush. Fits meditation, education, and instructional guides.
Most intimate tone. Suited for personal content and quiet moments.