Modal: Runs serverless Python containers optimized for AI model inference and batch jobs rather than persistent agent sandboxes. Agent 37 records 180,030 monthly visits with +24.2% month-over-month growth and Free Trial, Contact for Pricing pricing. Modal records 1,196,021 monthly visits with +30.2% growth and Freemium, Contact for Pricing pricing.
The low-cost cloud sandbox where AI agents actually live
Serverless cloud infrastructure for AI and data workloads
| Dimension / Metric | ||
|---|---|---|
| Official Domain | agent37.com | modal.com |
| Pricing Model | Free Trial, Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 180.03K (180,030) | 1.2M (1,196,021) |
| MoM Traffic Delta | +35.12K (+24.2%) | +277.18K (+30.2%) |
| Primary Market & Share | 🇵🇾 Paraguay (52.6%) | 🇺🇸 United States (43.9%) |
| Direct Visits / mo | 72.67K | 845.64K |
| User Rating | 4.3 | 4.8 |
| Supported Platforms | Website | Website |
The low-cost cloud sandbox where AI agents actually live
Pay for vCPU, memory and disk separately while the sandbox runs; when it sleeps or is deleted the compute meter stops and you are left with disk cost only.
Launch Claude Code, Codex, OpenClaw, OpenCode, Hermes, Grok or your own Docker image, each in its own tenant-isolated sandbox.
Files survive sleep, restarts and weeks of inactivity, and agents can be attached to cron-style schedules so work runs unattended.
Expose individual ports publicly, attach your own domain, or keep everything behind an API key on an authenticated URL.
Serverless cloud infrastructure for AI and data workloads
Write plain Python, attach GPUs or containers, and deploy HTTPS endpoints that autoscale with traffic and scale to zero when idle.
Launch isolated, secure environments for coding agents, RL rollouts, and untrusted code, with sub-second starts and support for over a million concurrent sandboxes.
Run fine-tunes, LoRA, full training, and reinforcement learning on elastic single or multi-node GPU capacity with no quota requests.
Serve LLMs and image, video, or audio models through OpenAI-compatible endpoints, or bring your own inference stack and let Modal handle the infrastructure.
SpecialistExtremely fast serverless execution optimized specifically for generative media models rather than general Python code.
SpecialistExtremely fast serverless execution optimized specifically for generative media models rather than general Python code.
Provides flexible GPU infrastructure and serverless endpoints, though less focused on pure Python function decorators.
Provides flexible GPU infrastructure and serverless endpoints, though less focused on pure Python function decorators.
SpecialistFocuses heavily on managed open-source model inference APIs rather than arbitrary custom container execution.
SpecialistFocuses heavily on managed open-source model inference APIs rather than arbitrary custom container execution.
Rent cloud GPUs by the second from a global marketplace
Rent cloud GPUs by the second from a global marketplace
Delivers robust enterprise GPU clusters and managed inference, requiring more infrastructure setup than Modal's serverless approach.
Delivers robust enterprise GPU clusters and managed inference, requiring more infrastructure setup than Modal's serverless approach.
Easier model packaging via Cog, but offers less arbitrary serverless Python container execution than Modal.
Easier model packaging via Cog, but offers less arbitrary serverless Python container execution than Modal.
SpecialistLow-cost serverless inference APIs for 200+ open models
SpecialistCloud browsers and web APIs for AI agents
SpecialistCloud browsers and web APIs for AI agents
Provides integrated development studios and training workflows, but with less granular serverless function orchestration.
Provides integrated development studios and training workflows, but with less granular serverless function orchestration.
SpecialistCombines ready-to-use model APIs and serverless GPU jobs, with simpler API consumption than custom Modal apps.
SpecialistSelf-hosted infrastructure platform for provisioning secure cloud development workspaces and governing AI coding agents.
SpecialistLow-cost cloud GPUs with per-minute instances and per-second sandboxes for AI workloads.
SpecialistLow-cost cloud GPUs with per-minute instances and per-second sandboxes for AI workloads.
