Stability AI

Stability AI - Developer Platform Developer Platform Login Stable Audio 3.0 May 20, 2026 Today we are releasing an API for Stable Audio 3.0, our most advanced AI audio generation model that produces high-quality, coherent musical tracks up to six minutes long at 44.1kHz stereo. Introducing groundbreaking audio-to-audio capabilities, Stable Audio 3.0 enables users to upload and transform audio samples using natural language prompts. Read more about the model capabilities here. Stable Audio 3.0 was exclusively trained on licensed data from the AudioSparx music library, honoring opt-out requests and ensuring fair compensation for creators. Try Stable Audio 3.0 for free at stableaudio.com. --- API Pricing Notice August 1, 2025 As of August 1, 2025, we're increasing the pricing for select API services. See updated pricing here. --- API Deprecation and Pricing Notice July 24, 2025 We have made a few changes to our API services. These changes will help us maintain high-quality service while investing in new capabilities that benefit our users. Service deprecations: We will no longer support the following API endpoints, effective July 24: - Stable Video Diffusion API - Stable Diffusion 1.6 API Pricing updates: We've increased the pricing for select API services, effective August 1. See more details here. For users currently using the SD1.6 API, we recommend migrating to Stable Diffusion XL, which offers significantly improved output quality while maintaining the same pricing structure as SD1.6. We also encourage taking this opportunity to upgrade to the latest tools. The Stability AI API has a range of additional image generation offerings to explore: - Stable Image Core: Optimized for fast and affordable image generation, Stable Image Core is the next-generation model following SDXL. - Stable Image Ultra: Our state-of-the-art text to image model based on Stable Diffusion 3.5. - Stable Diffusion 3.5 model family: Stability AI's latest base model