sandboxd vs Temporal AI

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-08-23
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At a glance

DimensionsandboxdTemporal AI
PricingFree (self-hosted, open-source)Freemium (usage-based billing for cloud)
Primary Use CaseSelf-hosted isolated dev sandboxes with AI agentsReliable durable execution for AI agents and workflows
DeploymentSelf-hosted on Linux (one-command setup)Cloud or self-hosted (open-source)
Key FeatureIsolated Docker containers with preview URLsAutomatic state capture and recovery
Best ForAI app-builder product teams and agent platformsTeams building reliable AI agents and multi-step workflows
Integration HighlightDocker, Traefik, OpenCode, Claude CodeOpenAI Agents SDK, Google ADK, Slack, Salesforce, Twilio

Temporal AI and sandboxd serve fundamentally different needs. Temporal AI is the right choice for teams requiring bulletproof durability and orchestration for complex, long-running workflows – think OpenAI or Replit. sandboxd is ideal for product teams that need to manage many isolated coding environments on their own infrastructure, like an AI app builder or agent platform. Evaluate based on whether you need workflow reliability (pick Temporal) or sandbox isolation (pick sandboxd).

sandboxd
sandboxd

Self-hosted open-source dev sandboxes with AI agents and preview URLs.

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Temporal AI
Temporal AI

Durable execution platform that keeps AI agents working through failures with automatic retries and state capture.

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Pricing
Free
Freemium
Plans
$0/mo
$0/mo
$100/mo
$500/mo
Custom
Custom
Popularity
4 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
APICLI
WebAPICLI
Categories
⚙️ Developer Infrastructure🛠️ Autonomous Coding Agents
🕸️ Agent Frameworks & Orchestration⚙️ Developer Infrastructure
Features
Self-hosted with one-command install (./install.sh)
Isolated Docker containers per sandbox
Per-sandbox filesystem and memory limits
Live preview URLs with automatic routing and TLS
Sandbox idle sleep and instant wake
Pre-installed OpenCode and Claude Code CLIs
REST API for create, exec, write files, and streaming (SSE)
SQLite-based state management
Traefik HTTPS routing and termination
Reconciler converges Docker state on reboot
Host-memory pressure reaper for multi-tenant safety
Custom API provider keys per sandbox
MIT licensed for commercial use
Durable execution with automatic state capture
Workflow orchestration with automatic retry and recovery
Activities with automatic retries and timeouts
Native SDKs for Python, Go, TypeScript, Ruby, C#, Java, PHP, Rust (preview)
Human-in-the-loop with signals and pause/resume
Saga pattern via compensating transactions
Full visibility UI for workflow state
Serverless Workers for Google Cloud Run (pre-release)
Serverless Workers for AWS Lambda (public preview)
Standalone Activities for independent execution
Workflow Streams for real-time interactivity
Task Queue Priority & Fairness (GA)
Temporal Worker Controller (GA) for K8s lifecycle
External Storage for large payloads (public preview)
Custom Roles for granular permissions (pre-release)
Integrations
LangGraph
OpenAI Agents SDK
Google ADK
Google Cloud Run
AWS Lambda
Azure
Slack
NVIDIA
Salesforce
Twilio
Docker
Kubernetes
Braintrust

What real users say: sandboxd vs Temporal AI

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

sandboxd

29 mentions across 3 sources · 37% positive — critical

Hacker News, YouTube, GitHub

What users praise

  • One-command setup on any Linux host with Docker, no Kubernetes needed.
  • Per-sandbox preview URLs with automatic routing and TLS encryption.
  • Sandboxes idle to zero memory and wake instantly on request.
  • Pre-installed AI coding agent CLIs (Claude Code, OpenCode) out of the box.

What frustrates them

  • Code audits reveal critical and high-severity security vulnerabilities.
  • Very small community with limited real-world usage and support.
  • No disk quota per sandbox implemented yet.
  • 10 open issues on GitHub indicate active but unfinished development.

Researched Jun 30, 2026

Temporal AI

32 mentions across 2 sources · 63% positive — mixed

YouTube, Lemmy

What users praise

  • Durable execution automatically captures state and resumes after failures, no manual intervention needed.
  • Automatic retries and timeouts for activities eliminate common API failure headaches.
  • Full visibility UI lets you see exactly what's happening in every workflow step.
  • Native SDKs for Python, Go, TypeScript, and more provide code flexibility without vendor lock-in.

What frustrates them

  • Learning curve to master workflow vs activity concepts for newcomers.
  • Self-hosting setup can be complex; may need to invest in infrastructure.
  • Not a drop-in replacement for simple cron jobs—overkill for basic scheduling.
  • Serverless Workers for Google Cloud Run are only pre-release, limiting production use.

Researched Aug 18, 2026

Who should pick which

  • AI agent platform builder
    Pick: Temporal AI

    Temporal's durable execution ensures AI agents survive crashes and retries, with integrations to OpenAI Agents SDK and Google ADK.

  • AI app-builder product team (e.g., Lovable, Bolt)
    Pick: sandboxd

    sandboxd provides isolated sandboxes per user/agent with preview URLs, ideal for coding playgrounds and per-branch environments.

  • Solo developer needing quick sandbox for one container
    Pick: sandboxd

    If you just need a single container, docker run suffices. But for disposable, resource-capped environments with AI CLIs, sandboxd is great.

  • Fintech team building Saga transactions
    Pick: Temporal AI

    Temporal's compensating transactions and automatic retries are perfect for financial systems requiring rollback guarantees.

Frequently Asked Questions

sandboxd vs Temporal AI: which should you choose?

Temporal AI and sandboxd serve fundamentally different needs. Temporal AI is the right choice for teams requiring bulletproof durability and orchestration for complex, long-running workflows – think OpenAI or Replit. sandboxd is ideal for product teams that need to manage many isolated coding environments on their own infrastructure, like an AI app builder or agent platform. Evaluate based on whether you need workflow reliability (pick Temporal) or sandbox isolation (pick sandboxd).

Can Temporal and sandboxd be used together?

Potentially yes. Temporal could orchestrate workflows that spawn sandboxd environments for code execution. They address different layers: durability vs isolation.

Which tool is better for multi-tenant isolation?

sandboxd is designed for multi-tenant sandboxes with per-sandbox memory limits and a host-memory reaper. Temporal does not provide sandbox-level isolation.

Do these tools support human-in-the-loop?

Temporal supports human-in-the-loop via signals and pause/resume. sandboxd does not offer such features; it focuses on sandbox management.

Does sandboxd have a paid cloud version?

No, sandboxd is open-source and self-hosted only. There is no managed cloud offering.

Is Temporal suitable for simple cron jobs?

No, it's overkill for simple scheduled tasks. Temporal's strength is in durable, long-running workflows requiring fault tolerance.

Can sandboxd run on Kubernetes?

It's not Kubernetes-native; sandboxd uses a single Linux server with Docker and Traefik. It's optimized for small-to-medium scale on one machine.

Does Temporal provide a preview URL for code execution?

No, Temporal does not offer preview URLs. It focuses on workflow orchestration, not sandbox hosting.

Which tool is easier to set up?

sandboxd claims one-command setup (./install.sh). Temporal can be self-hosted with Docker or used via Temporal Cloud with account creation.

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Last reviewed: June 30, 2026