Application platforms / Hugging Face Jobs (Sandbox API) alternative

Hugging Face compute Jobs alternative

Hugging Face Jobs runs commands and images on selected hardware. Its current experimental Sandbox API adds interactive commands, files, background work and reconnection to a live Job. A dedicated sandbox and a pool member have different isolation, while long-term filesystem durability is separate from keeping a Job alive.

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Reviewed 2026-10-18 · Published by the Sandbox0 team

When Hugging Face Jobs (Sandbox API) fits

Hugging Face fits teams using its Hub ecosystem, model/data pipelines, GPU hardware and interactive or batch jobs. Its SandboxPool can support same-trust fan-out; use the dedicated VM path for mutually untrusted code according to its own guidance.

When to consider Sandbox0

Consider Sandbox0 when the agent needs a durable whole Linux RootFS and online growth across compute lifecycle, including supported paused-file access. Retain specialized training/GPU infrastructure where needed and integrate Hub/model workflows explicitly.

Capabilities

Hugging Face Jobs (Sandbox API) and Sandbox0: what persists?

Feature comparison with documentation and verification status
Environment and runtime lifetimeHugging Face Jobs (Sandbox API)Experimental Sandbox has a 24-hour hard maximum; ordinary Jobs default 30 minutes with configurable timeout.View evidence ↗Sandbox0ttl and hard_ttl default to 0 (disabled). Configure idle pause and deletion policies for the same persistent sandbox identity; an idle running sandbox still accrues compute charges.Read documentation →
Persistent filesHugging Face Jobs (Sandbox API)A running/reconnected Job retains files, but priced storage is ephemeral and post-termination durable disk recovery is not established.View evidence ↗Sandbox0The writable RootFS survives successful checkpoints, including software, system configuration, dependencies, and user data.Read documentation →
Whole RootFSHugging Face Jobs (Sandbox API)Dedicated live-container absolute paths are available; durable whole-RootFS recovery after Job/host loss is not established.View evidence ↗Sandbox0Persistence extends beyond /workspace to paths such as /usr/local, /etc, and /home. Runtime tmpfs and virtual filesystems are excluded.Read documentation →
Release compute, keep stateHugging Face Jobs (Sandbox API)Live reconnection and idle termination are not a documented full machine pause/checkpoint contract.View evidence ↗Sandbox0Pause compute between tasks; resume on available capacity. Default resume starts fresh processes from the saved filesystem.Read documentation →
Memory and process stateHugging Face Jobs (Sandbox API)Background processes and stateless reconnection do not establish durable arbitrary-memory snapshots.View evidence ↗Sandbox0Experimental memory checkpoints can preserve compatible process state. Use memory: true on both pause and resume on a compatible deployment. A filesystem checkpoint alone does not preserve running processes.Read documentation →

Online RootFS growth

On growth-enabled images, Sandbox0 automatically expands the writable RootFS as free space runs low, within a configured sparse logical ceiling up to 64 TiB. Agent processes keep running. Growth is enabled in the qualified Cloud region; confirm activation for other regions. Existing images and snapshots retain their captured storage geometry. The ceiling is logical capacity, not preallocated host disk.

Hugging Face’s live Job filesystem, background processes and reconnectable Sandbox API are acknowledged. Hardware tables specify ephemeral capacity; the reviewed guides do not establish automatic online growth and regional recovery of an entire durable writable RootFS. Dedicated and pooled environments also need different trust assumptions.

Files while compute is paused

Sandbox0's Files API reads persistent files without resuming compute. Filesystem-only pauses also permit edits; retained-memory pauses are read-only and reject mutations with 409. SSH, SFTP, file watching, and runtime-only mounts require running compute.

The Sandbox server runs inside its Job, so command/file access is a live-compute interface. The reviewed guides do not establish supported full-RootFS reads and mutations while guest compute remains paused; downloading saved Hub artifacts is a different operation.

See paused file operations →

An interactive sandbox is a Job, not a separate durable backend

The concept guide says a dedicated sandbox is one Job VM running an HTTP server; its files, commands and background processes can be reattached using the same credential. That is real live environment reuse. The listed hardware storage remains ephemeral, and reconnection does not by itself establish regional whole-RootFS recovery after the Job or host is gone.

Source 1 ↗Source 2 ↗

Pool members share a different isolation boundary

SandboxPool packs many lightweight environments into a shared host Job using uid and Landlock controls. The guide explicitly says this is for one trust boundary and not a substitute for separate VMs. Dedicated sandboxes are the stronger path for mutually untrusted code; do not advertise every pool member as an independent VM.

Source 1 ↗

Job and Sandbox timeouts are different

Normal Jobs default to 30 minutes and accept a custom timeout. The experimental Sandbox guide instead specifies a non-configurable 24-hour maximum, plus a default 10-minute idle watchdog that fires only with no API call and no running process; it can be disabled. These are not interchangeable lifetime policies.

Source 1 ↗Source 2 ↗

Use the product-specific pricing and rounding rules

Jobs pricing lists minute-based hardware billing and charges Starting/Running states, with no build-phase charge. Some overview copy describes seconds, so confirm effective rounding before estimating very short jobs. Jobs CPU Basic is a paid compute row; it must not be replaced with the similarly named free Spaces CPU offer.

Source 1 ↗Source 2 ↗

Pricing

Compare billing models, then price your workload

CPU allocation, memory, billing minimums, disk, plan fees, and supported workload differ. These meters are not equal-performance machine quotes. Confirm region, resource units, and included allowances before estimating a total.

Hugging Face Jobs (Sandbox API)

Pricing reviewed 2026-10-18

Jobs CPU Basic
$0.01/hour; 2 vCPU, 16 GB RAM
50 GB ephemeral storage; pricing guide bills by minute.
Rate source ↗
Jobs CPU Upgrade
$0.03/hour; 8 vCPU, 32 GB RAM
50 GB ephemeral storage; not the free Spaces plan.
Rate source ↗
Jobs T4 small
$0.40/hour; 4 vCPU, 15 GB RAM
16 GB GPU memory and 50 GB ephemeral storage; access and model workload differ from Sandbox0.
Rate source ↗
Exposed job ports
$0.01/hour per Job
Flat add-on for one or more exposed ports, billed by the minute during Starting/Running; not a fee for each port.
Rate source ↗

The price guide permits users or organizations with positive credit balance, including applicable subscription compute credits. Preserve GB and hardware labels rather than inferring equal performance. The minute-versus-seconds copy difference is explicit. Experimental Sandbox/Pool semantics can change; pool hosts remain billed Jobs and need cleanup. External storage, model usage and specialized accelerators have separate requirements.

Check current Hugging Face Jobs (Sandbox API) pricing ↗

Sandbox0

$0.015/GiB-hour compute (billed by the second at approximately $0.000004167/GiB-second), plus $0.02/GiB-month of retained incremental RootFS and memory checkpoint data. Shared base images and platform recovery retention are excluded; paused sandboxes accrue storage charges only.

Compute / GiB-hour
$0.015
Retained data / GiB-month
$0.02
Paused compute
$0.00

A 4 GiB agent, 100 running hours

$6.00 compute

4 GiB × 100 hours, billed by the second. Keeping 20 GiB of billable incremental data for a full billing month adds $0.40. CPU is derived from memory by the platform; choose a tier that fits your workload.

Understand storage billing →

Before migrating from Hugging Face Jobs (Sandbox API)

  1. Identify ordinary Job, dedicated Sandbox or SandboxPool; inventory hardware, trust boundary, timeouts, files, tokens and effective rounding.
  2. Export required files and port compatible commands/Hub integrations to a Sandbox0 template, retaining any required training/GPU backend.
  3. Verify long-task policy, isolation, whole-system retention, RootFS growth, paused files and complete job/pool/storage/model costs.

Common questions

Is Sandbox0 a drop-in Hugging Face Jobs (Sandbox API) replacement?

Evaluate API compatibility and product scope. These products serve different core workflows, so a change may require a different architecture.

Does keeping files also keep a running agent?

Filesystem state and volatile process state are separate. Sandbox0 requires explicit compatible memory checkpoints to preserve running processes; its default filesystem resume starts fresh processes.

Sources and review scope

The Boat team's Battleships directory is the discovery source. References below describe the product and plan discussed on this page. Check current availability, regional terms and billing units before migrating. Where the cited material does not establish a capability or price, the comparison identifies that uncertainty.

Battleships research record ↗huggingface.co/docs/huggingface_hub/main/en/concepts/sandbox ↗huggingface.co/docs/hub/en/jobs-pricing ↗huggingface.co/docs/hub/en/jobs-configuration ↗huggingface.co/docs/huggingface_hub/main/en/guides/sandbox ↗huggingface.co/docs/hub/en/jobs-overview ↗Sandbox0 RootFS capacity →

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