Lightning AI vs Velozity: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Lightning AI and Velozity — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Lightning AI
Lightning AI
All-in-one platform to prototype, train, scale, and serve ML models from the browser with zero setup, from the creators of PyTorch Lightning.
Key features
- Browser-based Development: Zero-setup web studio for coding, prototyping, and collaborative experiments directly from the browser, reducing onboarding friction for teams.
- Integrated Training Stack: First-class integration with PyTorch Lightning and Lightning Fabric to run experiments, leverage built-in training features, and accelerate model development workflows.
- LitServe Inference Engine: Deploy any model type (vision, audio, text) or full AI systems (agents, RAG, pipelines) with batching, multi-GPU support, streaming outputs, and custom logic without YAML or heavy MLOps.
- Model Hosting and Checkpoints: LitModels capability to save, load, host, and share model checkpoints with enterprise-grade access controls and options to host on Lightning or self-managed cloud.
- Autoscaling Cloud Deployment: One-command deployments to Lightning AI cloud with autoscaling, security controls, and high-availability SLAs (99.995% uptime when deployed via platform).
- LLM Router & Agent Framework: Tools and libraries to route calls to LLM APIs, unified billing, retries/fallbacks, logging, and a minimal agent framework for building LLM-based applications.
- Dataset & Optimization Tools: Utilities such as litData for transforming and optimizing datasets at scale and Lightning Thunder compiler for performance/memory optimizations during training and inference.
- Self-Host Flexibility: Option to self-host all components for full control or use Lightning's managed cloud for faster time-to-production with built-in monitoring and security.
- Browser-based collaborative development with zero setup
- End-to-end tooling: prototype, train, optimize, host, and serve models
- LitServe: flexible inference engine for agents, RAG, pipelines, multi-model serving, streaming and batching
- LitModels: save, load, host, and share model checkpoints with enterprise-grade access controls
- LitData: dataset transformation and optimization at scale
- PyTorch Lightning / Lightning Fabric integration for structured training and low-level control
- Lightning-thunder: PyTorch compiler optimizations for performance, memory, and parallelism
- One-click cloud deployment and CLI (e.g., lightning deploy server.py --cloud) with autoscaling and managed uptime
- Support for self-hosting or managed hosting, multi-GPU, custom logic, and advanced routing (LLM router, retries, fallback, logging)
- Open-source components under Apache-2.0 and active GitHub ecosystem
Best for
- Collaborative Prototyping: Rapidly prototype model ideas and iterate with teammates in a browser workspace without local environment setup.
- Training Large Models: Run scalable training experiments using PyTorch Lightning/Fabric with built-in optimizations and support for multi-GPU or distributed setups.
- Production Inference for Agents and RAG: Deploy multi-model agents, chatbots, or retrieval-augmented generation pipelines with LitServe’s batching, streaming, and custom logic features.
- Model Hosting and Sharing: Save, host, and share model checkpoints with access controls for team collaboration or enterprise governance using LitModels.
- Cloud Deployment with Autoscaling: Deploy model servers to Lightning AI cloud with autoscaling and high uptime guarantees for production traffic.
- Self-Hosted Enterprise Deployments: Run the full stack on private infrastructure for customers needing full control over data, security, and compliance.
- Rapid prototyping and collaborative model development in the browser without environment setup
- Training and fine-tuning models using structured PyTorch Lightning workflows
- Deploying inference services, agents, chatbots, and RAG pipelines with multi-model and streaming support
- Hosting and sharing model checkpoints with access controls and integration into training workflows
- Transforming and optimizing datasets for faster training at scale
- Applying compiler-level optimizations for faster training and inference on multi-GPU setups
- Self-hosting ML systems on customer infrastructure or using Lightning AI managed cloud for autoscaling production
Velozity
Akash Mandal
Multiplayer AI workspace where teams and AI agents chat, call, run routines and get work done together.
Key features
- Spaces with Agents: Teams and AI agents share one conversation, with @mentions, threads, reactions and voice notes.
- Custom Agents: Create agents with a name, face and instructions, and manage a cloud computer for them.
- Agent Oversight: Watch an agent step by step, answer its questions, approve plans and grant permissions from a phone.
- Routines: Create, edit and schedule routines and review what each run produced.
- Meeting Transcripts: Ask questions about meeting transcripts and manage tasks and projects in the AI Space.
- Drop-In Collaboration: See who teammates are working with and join conversations without scheduling.
- Event Space: A calendar tab for creating events and managing booking links.
- Built-In Viewer: Open documents, PDFs, CSV tables and images that agents produce.
Best for
- Team Chat with AI: Bring an agent into a team conversation to answer questions or do tasks.
- Meeting Follow-Up: Summarize meetings and automate follow-up actions from transcripts.
- Recurring Work: Schedule routines such as periodic reports run by agents.
- Remote Approvals: Approve an agent's plan or permissions from a phone.
- Private Team Areas: Keep sensitive work in private floors with clear indicators of who can drop in.
- Scheduling: Share booking links and manage events in one workspace.