Modal

Serverless cloud containers for training, fine-tuning, and serving AI apps, billed by the second.

What is Modal?

Modal gives developers cloud infrastructure that feels like local development: run functions, train models, serve inference endpoints, and spin up millions of sandboxes for agents, all autoscaling to zero. You pay only for the seconds your code runs, with instant access to GPUs and no quota requests. It spans 20+ clouds for global capacity.

Key features

  • Serverless functions with GPU access, billed by the second
  • Inference endpoints with OpenAI-compatible APIs
  • Fine-tuning and RL training on single or multi-node GPUs
  • Sandboxes: secure isolated computers for AI agents
  • API gateways turn any function into an HTTPS endpoint
  • Custom container runtime built for large AI images
  • Globally distributed capacity across 20+ clouds
  • SOC 2 Type II compliant and HIPAA ready

Pros

  • Superb developer experience: deploy from Python in minutes
  • True scale-to-zero means no idle GPU bills
  • Sandboxes are ideal for coding agents and RL rollouts
  • No quotas or capacity requests

Cons

  • Python-first; other languages are second-class
  • Debugging distributed failures takes practice
  • Costs can spike with always-on endpoints

Modal at a glance

PricingFreemium
CategoryCoding & Development
Platformsweb, api
CompanyModal
Official websitemodal.com
serverlessgpucontainersinferencefine-tuningagentssandboxesautoscaling

How to choose the right Coding & Development tool

The right coding tool depends on where you write code and how much of your codebase it can understand. IDE integration is the first filter — a tool that lives in your editor, sees your project files and respects your stack will help far more than a general chatbot you paste snippets into. Look for accurate completions, clear explanations of suggested changes, and strong refactoring and debugging support for your main languages. Privacy deserves real attention: check whether your code is used for training, and whether a self-hosted or enterprise option exists for sensitive projects. Price against the hours it actually saves — most developers feel the difference within the first week of real use.

Compare all Coding & Development tools →

Modal FAQs

What is Modal?

Modal gives developers cloud infrastructure that feels like local development: run functions, train models, serve inference endpoints, and spin up millions of sandboxes for agents, all autoscaling to zero. You pay only for the seconds your code runs, with instant access to GPUs and no quota requests. It spans 20+ clouds for global capacity.

What are the main features of Modal?

Modal offers Serverless functions with GPU access, billed by the second, Inference endpoints with OpenAI-compatible APIs, Fine-tuning and RL training on single or multi-node GPUs, Sandboxes: secure isolated computers for AI agents, API gateways turn any function into an HTTPS endpoint, Custom container runtime built for large AI images, Globally distributed capacity across 20+ clouds and SOC 2 Type II compliant and HIPAA ready.

How much does Modal cost?

Modal follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.

What are the pros and cons of Modal?

Strengths of Modal include Superb developer experience: deploy from Python in minutes; True scale-to-zero means no idle GPU bills; Sandboxes are ideal for coding agents and RL rollouts. On the downside, Python-first; other languages are second-class; Debugging distributed failures takes practice; Costs can spike with always-on endpoints.