Updated March 10, 2026
Novita AI provides affordable API access to open-source AI models including LLMs, image generation, and video models. The platform offers competitive pricing on popular models like Llama, Mistral, and Stable Diffusion, with pay-per-use billing and no minimum commitments.
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.