Releasesby GlyphNew voice clones are now enhanced by default
New voice clones are now enhanced by default. To opt out, set the boolean enhance field to false when calling POST /voices/ . See Custom Voices for an example.
Also shipped Oct 23, 2026Gradium in October 2026 →
Retrieve Cortex Search (Public Preview)
The CORTEX_SEARCH_RETRIEVE table function is now in public preview, allowing users to execute low-latency search queries directly from SQL for RAG and chatbot applications.
DataFrame caching on serverless compute is now in Public Preview
Databricks now supports DataFrame caching on serverless compute via df.cache() or df.persist(), allowing users to reuse results within a session.
Box Audit Logs managed ingestion connector (Beta)
The Box Audit Logs connector for Lakeflow Connect is now available in beta, enabling the ingestion of enterprise audit events into Databricks.
Manage Test Engine workflows with Terraform and the REST API
Users can now manage Test Engine workflows using the buildkite_test_suite_workflow Terraform resource or the REST API, enabling code-based configuration of monitors and actions.
Flagship - Target Flagship feature flags with structured evaluation context
Flagship now supports nested objects and arrays in evaluation context, allowing developers to target feature flags based on complex user profiles and tags.
Responses API for the Cortex REST API (Preview)
The new Responses API in the Cortex REST API provides OpenAI-compatible endpoints for accessing models.
More from GradiumEvery Gradium release →
Phonon brings text-to-speech to local devices, including phones, laptops, embedded devices and browsers
Phonon brings text-to-speech to local devices, including phones, laptops, embedded devices and browsers. Run speech generation locally for applications that need offline operation or want to keep inference on the device. Use voices from the catalog, or custom voices created through Gradium, in your local applications.
Organization page with role-based access controls
Gradium updated the organization page with new role-based access controls, improved invitation management, and data residency visibility.
The Voice localizer is now in Studio, out of beta
The Voice localizer is now in Studio, out of beta. Pick a voice, describe the accent you want, and compare three takes at different strengths. The one you keep is saved as a new custom voice. You can also start from Localize in any voice's menu in the catalog. See the Voice Localization guide .
The voice catalog grows from about 390 to more than 1,400 voices
Gradium expanded its voice catalog to over 1,400 voices and added features for preview samples, usage exports, and pronunciation dictionary management.
Make a voice you already have speak another language or accent, with the same speaker
Make a voice you already have speak another language or accent, with the same speaker. Call POST /voice-generator/localize on a flagship or custom voice, pick an accent, and get candidates back in seconds to audition and convert like Voice Design candidates. GET /voice-generator/available-accents lists the accents you can target.
Our new Text-to-Speech model is now the default, with more expressive speech and lower latency
Our new Text-to-Speech model is now the default, with more expressive speech and lower latency. Existing requests using default use the new model without a setup change. gradium-tts-beta also routes to this model until the next TTS beta arrives. Keep that alias to follow future betas, or use default to stay on stable releases.
Clean up a voice you already have without changing its language or who is speaking
Clean up a voice you already have without changing its language or who is speaking. POST /voice-generator/enhance takes a flagship voice, a clone or a candidate and returns candidates with background noise reduced. Audition and convert them like Voice Design candidates. Voice Enhance is in beta; output quality will keep improving.