Updated March 10, 2026
Anyscale is the company behind Ray, the open-source distributed computing framework used by OpenAI, Uber, and Spotify for scaling AI workloads. Anyscale's platform provides managed Ray clusters for distributed training, batch inference, and model serving, making it easy to scale AI applications across hundreds of GPUs.
Replicate is a platform for running AI models in the cloud with a simple API. It hosts thousands of open-source models including Llama, Stable Diffusion, and Whisper, letting developers run them with a single API call. Replicate handles GPU provisioning, scaling, and model optimization automatically.
What each tool does well, and the limitations to keep in mind.
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Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.