Based on 6 capability dimensions
Stable Diffusion Best For
Image and multimodal creation tasks
Avoid if: You only need text-first software development
Perplexity Best For
Deep synthesis and research workflows
Avoid if: You primarily need deterministic coding automation
3 versions
Multimodal Diffusion Transformer architecture. Best text in images of any SD model. Improved composition and detail.
Higher resolution images. Better image composition and faces. Two stage model pipeline for better quality.
Open source image generation released publicly. Runs locally on consumer hardware. Sparked the open source AI art revolution.
3 versions
Perplexity launched 'Everything is Computer' initiative along with new APIs including a Sandbox API for isolated code execution, an Agent API for managed agentic workflows, and an improved Search API with better extraction and dynamic benchmarks. They also introduced Computer for Enterprise and Premium Sources features.
Pro search added. File uploads, image generation, and choice of AI models including GPT-4 and Claude.
Launch as AI search engine. Real-time web search with cited answers. Alternative to traditional search.