head to head · open source
composio vs runtime
composio has 30,441 GitHub stars, 4,847 forks, 88 open issues and last shipped today. runtime has 1,677 stars, 461 forks, 212 open issues and last shipped 2 days ago. composio leads on adoption by 1,715% (30,441 vs 1,677 stars). composio is written in TypeScript under MIT; runtime is written in Go under Apache-2.0. composio has attracted 16% as many forks as stars, runtime 27%. composio was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| composio | runtime | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 1.7K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-10-05 | 2026-10-03 |
| Forks | ⑂ 4.8K | ⑂ 461 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick composio if
- You weight community size — 30K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick runtime if
- You want the runtime feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and runtime fits your workflow better
About composio
Composio is an MIT licensed agent toolkit platform, distributed as TypeScript and Python SDKs, that gives AI agents more than 1,000 pre authenticated toolkits, per user sessions, authentication, triggers, and a sandbox for turning intent into action across real applications.
read the full composio overview →
About runtime
E2B Runtime is the open source Go backend — control plane, Firecracker orchestrator, in VM agent, edge router, and template builder — that powers E2B's AI agent cloud and can be run by anyone on their own hardware.
read the full runtime overview →
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Frequently asked questions
Is composio or runtime more popular?
composio has 30,441 GitHub stars and runtime has 1,677. composio has the larger community by that measure.
Are composio and runtime free?
Both are open source. composio is licensed under MIT and runtime under Apache-2.0. Neither carries a licence fee.
What is the difference between composio and runtime?
composio is written in TypeScript and runtime in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, composio or runtime?
Choose composio if you want the larger community (30,441 stars) or its MIT licence terms. Choose runtime if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.