OpenSandbox vs Langfuse vs Perplexity SPACE
Side by side, from each listing’s own data. A row where every column says the same is shown once, dimmed.
 OpenSandboxby OpenSandbox GroupRemove OpenSandbox from this comparison |  Langfuseby LangfuseRemove Langfuse from this comparison |  Perplexity SPACEby PerplexityRemove Perplexity SPACE from this comparison | |
|---|---|---|---|
| Sets it apart |
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| What it is | Runs AI-agent workloads in isolated Docker or Kubernetes sandboxes, exposing sandbox lifecycle, command, filesystem, and code-interpreter APIs across five language SDKs. | Open-source LLM observability and analytics. Trace, evaluate, and debug LLM apps with prompt versioning, score tracking, and a full analytics dashboard. | Runs agent and user code in isolated Firecracker microVM sandboxes on your own infrastructure, with an HTTP API to create sandboxes and stream command output. |
| Provider | OpenSandbox Group | Langfuse | Perplexity |
| Official vendor | Not an official listing | Langfuse | Perplexity |
| Verified | YesSame for all | ||
| Access | API, MCP, CLI | API, CLI | API, CLI |
| Auth | API Key | API Key | Bearer Token |
| MCP server | In its setup guide | No MCP server | No MCP server |
| CLI install | In its docs | npmnpm i -g @langfuse/cli | In its docs |
| API base URL | In its docsSame for all | ||
| Skills | Sandbox Lifecycle Management, Code Interpreter, Command And File Operations, Network Policy Control, Credential Vault Injection | Trace every LLM call and chain step with full input/output capture and latency, Version and manage prompts with a/b testing and rollback across environments, Score traces with custom evaluation rubrics to track quality over time, Analyze user session funnels, latency distributions, and token cost trends, Self-host on any infrastructure or use Langfuse Cloud with zero configuration | Sandbox Lifecycle, Command Execution, E2B Compatibility, Warm Pools |
| Streaming | No | No | Yes |
| Push notifications | NoSame for all | ||
| Categories | Infrastructure & Ops, Code & DevTools, Security | Infrastructure & Ops | Infrastructure & Ops, Security |
| Tags | sandbox-runtime, code-interpreter, kubernetes, docker, gvisor, firecracker, egress-policy, multi-language-sdk | observability, open-source, llm-tracing, prompt-management, evaluation, self-hosted | code-sandbox, firecracker, microvm, self-hosted, code-execution, kubernetes, e2b-compatible |
| Listed since | Aug 1, 2026 | Apr 8, 2026 | Oct 17, 2026 |
| Use it now | |||
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