01 E2B
Open-source cloud sandboxes that let AI agents run untrusted code in isolated Firecracker microVMs
AI Agents & Automation from $150/mo free tier: yes Verified JUL 16, 2026
5 alternatives compared · prices last verified Jul 16, 2026 · how we verify
E2B is the top Composio alternative in our directory: it covers the same category (AI Agents & Automation), starts at $150/mo, and has a free tier. The lowest-priced option with a free tier is CrewAI, starting at $0. All 5 alternatives below are compared on pricing verified against the official pricing pages, on the dates shown.
Ranked by category overlap with Composio, free-tier availability, then lowest verified starting price — computed from our verified data, never sponsorships.
| Alternative | Category | Starting price | Free tier | Price verified |
|---|---|---|---|---|
| E2B | AI Agents & Automation | $150/mo | yes | Jul 16, 2026 |
| CrewAI | AI Agents & Automation | $0 | yes | Jul 3, 2026 |
| Zapier | AI Agents & Automation | $19.99/mo | yes | Jun 11, 2026 |
| n8n | AI Agents & Automation | €20/mo | yes | Jul 3, 2026 |
| LangChain | AI Agents & Automation | $39/seat/mo | yes | Jul 12, 2026 |
Open-source cloud sandboxes that let AI agents run untrusted code in isolated Firecracker microVMs
AI Agents & Automation from $150/mo free tier: yes Verified JUL 16, 2026
Open-source multi-agent framework for orchestrating collaborative AI agent teams
AI Agents & Automation from $0 free tier: yes Verified JUL 3, 2026
No-code automation platform that connects 7,000+ apps to build multi-step workflows without writing code
AI Agents & Automation from $19.99/mo free tier: yes Verified JUN 11, 2026
Open-source workflow automation platform for building AI agents and multi-app integrations
AI Agents & Automation from €20/mo free tier: yes Verified JUL 3, 2026
Open-source frameworks for building LLM agents, plus the commercial LangSmith platform for tracing, evaluation, and deployment
AI Agents & Automation from $39/seat/mo free tier: yes Verified JUL 12, 2026
Documented strengths from our Composio review — switching isn't always the right call: