Audience
Developers and organizations building voice-enabled applications, conversational agents, and speech workflows, including enterprise teams.
About Gradium
Gradium is a voice AI platform for developers and organizations building speech-enabled applications and conversational agents. Its hosted APIs provide streaming text-to-speech, speech-to-text, speech translation, and speech-to-speech, with WebSocket and REST interfaces, real-time turn detection, pronunciation controls, and voice design or cloning features. A browser-based studio lets users try the models and manage voices, while documentation and SDK guides support application development. Use cases include voice agents, customer-service automation, live transcription, multilingual voice experiences, and spoken content generation. Gradium also publishes Phonon, an open-weight text-to-speech model designed for local, offline use in applications and on-device systems. Plans use credits for speech generation, transcription, and translation.
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Pricing
Starting Price:
$0/month
Pricing Details:
The free tier includes 45,000 credits. The XS plan is $13/month and includes 225,000 credits. Credits are shared across speech services; monthly plan credits do not roll over. Annual billing saves one month.
Free Version:
Free Version available.
Company Information
Gradium
Founded: 2025
France
gradium.ai/
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Other Useful Business Software
Custom VMs From 1 to 96 vCPUs With 99.95% Uptime
Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
Product Details
Platforms Supported
Cloud
On-Premises
Training
Documentation
Support
Online
Gradium Frequently Asked Questions
Q: What kinds of users and organization types does Gradium work with?
Gradium works with these users and organization types: Enterprise and Startup.
Q: What languages does Gradium support in their product?
Gradium supports these languages: English, French, German, Spanish, and Portuguese.
Q: What kind of support options does Gradium offer?
Gradium offers support via online.
Q: What other applications or services does Gradium integrate with?
Gradium integrates with: Eden AI, LiveKit, and Pipecat.
Q: Does Gradium have an API?
Yes, Gradium has an API.
Q: What type of training does Gradium provide?
Gradium provides training in the form of documentation.
Q: How much does Gradium cost?
Pricing for Gradium starts at $0/month.
