SPACE Alternatives

Looking for tools like SPACE? Here are the 9 best SPACE alternatives in 2026, compared by features, pricing, and user ratings.

About SPACE

SPACE

Perplexity open-source sandbox platform for AI agents and code-running applications. Create isolated Firecracker microVMs through an HTTP API, execute commands, stream output, and manage pause, resume, snapshots, and recovery on your own infrastructure. Apache-2.0 software; hosting and operations are your responsibility.

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Top 9 SPACE alternatives

NVIDIA OpenShell

NVIDIA OpenShell

Open-source runtime for running autonomous AI agents in policy-controlled sandboxes. OpenShell enforces filesystem, process, network, and credential boundaries outside the agent process, with auditable controls and formally checked policy changes.

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Policy-controlled agent runtime with a different sandbox and host-support model

Fable5

Independent Claude Fable 5 guide with prompt generator, pricing calculator, benchmark summaries, and API usage references for coding and agent workflows.

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10x

AI-powered iOS app builder for macOS that turns natural language prompts into SwiftUI code, Xcode projects, and simulator previews.

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Superset

Open-source agentic IDE that orchestrates 10+ coding agents (Claude Code, Codex, Cursor, OpenCode, Gemini CLI) in parallel using isolated git worktrees.

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ChatGPT

OpenAI conversational AI assistant for writing, coding, analysis, research, and multimodal tasks.

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GitHub Copilot

AI coding assistant from GitHub for code completion, chat, pull request help, and developer workflows.

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Claude

Anthropic AI assistant for long-context reasoning, writing, coding, and document analysis.

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OpenRouter

Unified AI model routing platform where developers can access GPT Image 2 and other LLMs through a single API, simplifying multi-model integration.

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Lovable

AI-powered full-stack app builder that lets non-technical users create web and mobile applications from voice or text prompts.