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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Agent Sandbox
✓ verifiedFreemium
Secure code-execution API giving AI agents a sandboxed runtime and file storage, billed per second of compute.
✕
Code Arena
✓ verifiedFree
Side-by-side arena to compare AI coding models and build multi-file apps, with a public leaderboard and battle mode.
35M visits/mo201 saves
✕
Google Antigravity
✓ verifiedFree
Google's agentic development platform and IDE for building software with autonomous, Gemini-powered coding agents.
22M visits/mo18K saves
Pricing
Compute: $0.00025/sec
Storage: $0.0005/MB
$10 free credits on Google sign-in
No public pricing
No public pricing
Core features
- ✦Sandboxed Python/shell code execution
- ✦Automatic dependency installation
- ✦File upload/download and artifact handling
- ✦SDK and single-tool integration for agent frameworks
- ✦Per-second compute billing
- ✦Isolated, secure-by-default runtime
- ✦Head-to-head model comparison
- ✦Battle mode matchups
- ✦Public model leaderboard
- ✦Multi-file app generation
- ✦File uploads as input
- ✦Agent-first IDE experience
- ✦Autonomous planning and code execution
- ✦Integrated editor, terminal and browser control
- ✦Powered by Google's Gemini models
- ✦High-level developer supervision
Use cases
- →Give AI agents a code interpreter
- →Run untrusted AI-generated code safely
- →Generate files and artifacts from agents
- →Build codegen evaluation pipelines
- →Choosing the best coding model
- →Benchmarking AI code quality
- →Prototyping small apps
- →Building apps with AI agents
- →Automating multi-step coding tasks
- →Prototyping and iterating on software
- →Assisting developers on complex work
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