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Modal vs Comet

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Modal compared with Comet
DetailModalComet
What it doesThe platform for production AI The AI Developer Platform
StageNot given Not given
FoundedNot given 2017
Based inUS US
Pricing modelusage-based Not given
PricingStarter plan is free with $30/month compute credits. Team plan is $250/month plus compute. Enterprise plan is custom. Compute is billed per second for CPU, GPU, and memory with no charges for idle time. Not given
Key features
  • Serve LLMs, image, video, and audio models
  • Isolated environments for coding agents and RL rollouts
  • Fine-tune and train models on GPUs
  • Autoscale compute from zero to thousands of GPUs
  • Distributed storage for models and weights
  • Global capacity across 20+ clouds
  • Serverless functions with HTTPS endpoints
  • Out-of-the-box observability and logs
  • LLM trace logging with 40+ integrations
  • Automatic error detection and diagnostics
  • Ollie agent for code fix recommendations
  • Test Suites and 40+ LLM-as-a-judge evaluation metrics
  • Production dashboards and alerts for agents
  • Prompt playground and optimization
  • Agent Playground for local agent development
  • Cost intelligence for Claude Code and Codex tracking
What makes it different
  • Custom infrastructure built for AI including container runtime, storage, and scheduler
  • Sub-second container startup times for GPU workloads
  • Pay only by the second with no idle charges
  • Programmatically create millions of concurrent sandboxes
  • Truly open-source platform with enterprise-grade infrastructure
  • Traces appear almost instantly even at high volumes
  • Flexible hosting options including self-hosted, cloud, and custom deployments
  • Easy integration with just a few lines of code
  • Opik automatically turns trace data and eval results into code fixes
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)80 no change since last check73 no change since last check
Trust Flow (Majestic)3328
Citation Flow (Majestic)5351
Referring domains (Majestic)61744448

4 details filled in for both companies.

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