Modal Sandboxes / Notebooks
On-demand sandboxed compute for arbitrary/agent code: CPU $0.00003942/core/s, memory $0.00000672/GB/s, GPUs at standard per-second rates; burst without pre-allocating. Pay only for
Modal Sandboxes / Notebooks scores 4.6/10 for free value in Functions. The main constraint: Paid — CPU $0.00003942/core/s; Memory $0.00000672/GB/s (+ GPU at standard rates). On-demand sandboxed compute for arbitrary/agent code: CPU $0.00003942/core/s, memory $0.00000672/GB/s, GPUs at standard per-second rates; burst without pre-allocating. Pay only for use.
Free value score
4.6 / 10Show the math
Key metrics
What you get
Paid — CPU $0.00003942/core/s; Memory $0.00000672/GB/s (+ GPU at standard rates). On-demand sandboxed compute for arbitrary/agent code: CPU $0.00003942/core/s, memory $0.00000672/GB/s, GPUs at standard per-second rates; burst without pre-allocating. Pay only for use.
Sub-second-billed sandboxes mean an agent spinning up code execution pays cents; no idle charges. Great value for ephemeral code-execution/agent tool
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Sources
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"Modal Sandbox + Notebooks Pricing ... CPU Physical core (2 vCPU equivalent) $0.00003942 / core / sec"
https://modal.com/pricing -
"Memory $0.00000672 / GiB / sec"
https://modal.com/pricing
Alternatives
Same category · similar quota$5/mo unlocks Workers + Containers + Durable Objects + R2 ($0.015/GB-month standard, Class A $4.50/M, Class B $0.36/M) with no egress fees.