Anthropic and Stability AI are both listed under Generative AI in the DevPages directory. This page puts the details we hold for each of them side by side.
It does not score them and does not pick a winner. Fields the catalog has no value for say “Not recorded” rather than being filled in with a guess.
Anthropic vs Stability AI field by field
Anthropic, Stability AI compared field by field. Values are taken from the DevPages catalog; fields we hold no value for read “Not recorded”.
AI safety company that builds the Claude family of models, available through the Claude API
Anthropic is an AI safety and research company that builds the Claude family of models. The current lineup is Claude Fable 5.1, Claude Opus 5, Claude Sonnet 5 and Claude Haiku 4.5; Anthropic suggests starting with Opus 5 for most workloads. The models are available through the Claude API, priced per token, and through cloud platforms including Amazon Bedrock and Google Cloud.
Open-source generative AI company democratizing access to AI technology
Stability AI builds open-weight generative models for images, audio, 3D and video. Its current image models are the Stable Diffusion 3.5 family, with SDXL still available. It also offers Stable Audio 3.0 for sound and music, Stable Fast 3D and Stable Point Aware 3D for turning an image into a 3D asset, and Stable Video Diffusion. Models ship as downloadable weights under the Stability AI Community License, which is free for organisations with under US$1M in annual revenue, and through a developer platform API.