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Fourbit is a managed fine-tuning platform for LLMs, VLMs, VLAs, and diffusion models that covers the full lifecycle—record, train, eval, deploy—delivering a working deployed model from your data. It provides architecture-specific training recipes, per-second GPU billing, and flexible compute (pooled H100/H200 or your own hardware) with one-click private endpoints and support for LoRA, QLoRA, full fine-tuning, DPO, and ORPO. The platform also includes robotics-focused capabilities (Pi-0 fine-tuning with on-hardware deployment), real-time metrics streaming, resume-on-preemption, and 30-day on-call engineering with every pilot.
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LLM Infrastructure and Fine-Tuning Platforms →Where AI ranks Fourbit
