Cumulus Labs
Unified inference platform for production AI. OpenAI-compatible gateway, per-workflow routing, prompt and KV cache, observability, continuous evaluation, one-click LoRA fine-tuning, and the Ion inference engine on NVIDIA Grace and Blackwell.
About Cumulus Labs
Cumulus Labs lets engineering teams ship AI in production without needing a dedicated ML platform team. Right now, companies building AI products are forced to stitch together separate vendors for routing, observability, evaluation, fine-tuning, and inference. This fragmented approach is brittle, expensive, and is a common reason enterprises fail with AI.
We replace that entire stack with a single unified platform. Developers can keep their existing code while instantly upgrading to a unified platform that handles routing, semantic caching, continuous shadow evaluation, simulated data, and one-click fine-tuning.
Behind the platform is Ion, our proprietary inference engine running on a custom NVIDIA Grace GPU fleet. Ion uses in-house custom GPU kernels to deliver 30 to 50 percent more throughput than standard vLLM or SGLang, giving our customers SOTA inference economics.
Products
Unified inference platform with eight subsystems: Gateway, Router, Cache, Observability, Evaluation, Fine-tune, Custom Hosting, and the Ion inference engine.
Security and compliance
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