Modal

🤖 Managed Inference

Serverless Inference, Ad-hoc Python scripts, Quick Prototyping

🏢 New York, NY, USA📅 Since 2021★ 9.0/10🌐 Website ↗
Avg Latency
~1-2 seconds (Cold Start)
Rate Limits
Massively Scalable
Free Tier
✓ Available
API Protocol
Custom SDK / Client

Serverless Python on Steroids

Modal is not a traditional API provider; it is a serverless cloud computing platform that feels like magic. Instead of writing Dockerfiles, configuring Kubernetes, or dealing with CI/CD pipelines, a developer simply adds a `@stub.function(gpu=”A100″)` decorator to their local Python code. When they run the script, Modal automatically packages the environment, ships it to the cloud, executes the function on an NVIDIA A100 GPU, and returns the result to the local terminal in seconds.

Massive Scale-Out Capabilities

Modal is the weapon of choice for data engineers and AI researchers who need to execute massive parallel tasks. Whether scraping 100,000 websites, running batch inference on a massive dataset, or dynamically rendering 3D video frames, Modal can instantly scale a single Python function across 1,000 concurrent GPUs, execute the workload, and scale back down to zero, billing only for the exact seconds the compute was utilized.

The Modern AI Infrastructure

Because Modal allows developers to run arbitrary Python, it is incredibly popular for hosting custom ML models that don’t fit neatly into standard OpenAI-compatible APIs. Developers can use Modal to host complex Agentic workflows, multi-step LangChain processes, or custom fine-tuned vision models, exposing them instantly as scalable webhooks with a single line of code.

Supported Workloads

Custom PythonLLMVisionScraping

Pros & Cons

Pros
  • The most magical developer experience in the industry
  • Run massive cloud GPUs from local Python scripts
  • Instant scale-out to thousands of containers
Cons
  • Not a standard REST API (requires Python)
  • Vendor lock-in to Modal's architecture
  • Not a simple "pay per token" provider

Served Models

Bring Your Own Code/Model

Data Privacy Policy

SOC 2 Type II

Custom SDK / Client

Custom Integration. This provider requires their own specific SDKs or libraries to interact with the models. See official documentation.

Quick Start Snippet
Python
import requests
headers = {
 'Authorization': 'Bearer YOUR_API_KEY',
 'Content-Type': 'application/json'
}
data = {
 'model': 'your-chosen-model',
 'prompt': 'Hello, world!'
}
response = requests.post('https://modal.com/v1/completions', headers=headers, json=data)
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Billing Model
Per-second billing

You are charged exclusively for the duration the GPU is actively processing your request. Excellent for bursty workloads.

Generous Free Tier Available

Start building without a credit card. Perfect for prototyping and testing the API before scaling into production workloads.

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Modal
🤖 Managed Inference
✓ Free tier available
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Start for Free (No CC)
Scale to 0 (No idle costs)

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