Modal is a serverless compute platform that lets developers run AI workloads on GPUs with a Python-first SDK. Functions deploy with decorators, auto-scale from zero to thousands of containers, and bill per second. It supports LLM inference, fine-tuning, batch jobs, and sandboxes, with current GPU options including B200, H200, H100, A100, L40S, A10, L4, and T4. Modal’s 2026 Series C valued the company at $4.65B.
Alternatives to Ray
2 editor-selected alternatives · Ray overview →
source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order
A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.
LLaMA-Factory is an open-source toolkit providing a unified interface for fine-tuning over 100 LLMs and vision-language models. It supports SFT, RLHF with PPO and DPO, LoRA and QLoRA for memory-efficient training, and continuous pre-training. The LLaMA Board web UI enables no-code configuration, while CLI and YAML workflows serve advanced users. Integrates with Hugging Face, ModelScope, vLLM, and SGLang for model deployment.
Open-source Ray alternatives
LLaMA-Factory — see all open-source developer tools.
Free Ray alternatives
Modal offer a free plan or free tier.
More DevOps & Deployment tools
same category, not editor-selected alternatives — see how Ray compares →
Ray head-to-head
FAQ
Which Ray alternative is listed first?
Modal is first in the editor-selected list of 2 Ray alternatives and carries an editorial review score of 90/100. The stored order is editorial; review scores do not determine membership or position.
Are there open-source Ray alternatives?
Yes — LLaMA-Factory are open source.
Are there free Ray alternatives?
Yes — Modal offer a free plan or free tier.