--- title: "agentos vs leon" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/framerslab-agentos-vs-leon-ai-leon" tools: ["framerslab-agentos", "leon-ai-leon"] --- # agentos vs leon *GraphCanon updated Aug 23, 2026* ## Verdict Pick agentos if agentOS supports eleven LLM providers with runtime tool forging capabilities for cognitive memory in TypeScript; pick leon if leon is an open-source personal assistant built with TypeScript under the MIT license, designed for users who prioritize privacy and offline operation. [agentos](https://docs.agentos.sh) reports 617 GitHub stars, 92 forks, and 10 open issues, last pushed Aug 7, 2026. [leon](https://getleon.ai) has 17k stars, 1.5k forks, and 109 open issues, last pushed Jul 27, 2026. Figures are from public GitHub metadata via [agentos's repository](https://github.com/framerslab/agentos) and [leon's repository](https://github.com/leon-ai/leon). | | [agentos](/tools/framerslab-agentos.md) | [leon](/tools/leon-ai-leon.md) | | --- | --- | --- | | Tagline | TypeScript AI agent framework providing cognitive memory and runtime tool forging with support for multi-agent orchestration | Leon is your open-source personal assistant | | Stars | 617 | 17,388 | | Forks | 92 | 1,452 | | Open issues | 10 | 109 | | Language | TypeScript | TypeScript | | Adopt for | AgentOS supports eleven LLM providers with runtime tool forging capabilities for cognitive memory in TypeScript. | Leon is an open-source personal assistant built with TypeScript under the MIT license, designed for users who prioritize privacy and offline operation. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | MIT | | Categories | AI Agents | AI Agents | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [agentos](/tools/framerslab-agentos.md) | [leon](/tools/leon-ai-leon.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 15d | 1d | | Open issues (now) | 10 | 109 | | Stars delta | +16 (30d) | Unknown | | Open issues delta | +1 (30d) | Unknown | | Full report | [trust report](/tools/framerslab-agentos/trust.md) | [trust report](/tools/leon-ai-leon/trust.md) | ## Shared compatibility - **Node.js**: [agentos](/tools/framerslab-agentos.md) - Node.js runtime; [leon](/tools/leon-ai-leon.md) - Node.js runtime ## Decision facts: agentos - **Adopt for:** AgentOS supports eleven LLM providers with runtime tool forging capabilities for cognitive memory in TypeScript. ## Decision facts: leon - **Adopt for:** Leon is an open-source personal assistant built with TypeScript under the MIT license, designed for users who prioritize privacy and offline operation. ## Choose when ### Choose agentos if… - License: agentos is Apache-2.0, leon is MIT. - Tags unique to agentos: agent-framework, cognitive-memory, llm-orchestration, multi-agent. - Need for cognitive memory and real-time tool generation in AI agents ### Choose leon if… - License: leon is MIT, agentos is Apache-2.0. - Tags unique to leon: ai-agent, speech-recognition, text-to-speech. - Use Leon if you need a personal assistant that operates offline, ensuring your data isn't sent to external servers without review. ## When NOT to use agentos - Preferring frameworks without multi-agent orchestration support - Prioritizing environments with less than eleven LLM provider options ## When NOT to use leon - Do not use Leon if you require extensive functionality provided by languages like Python or frameworks not supported by TypeScript. - Avoid Leon if your project strictly requires real-time internet connectivity, as it is optimized for offline operation which could limit certain networking features. ## Common questions ### What is the difference between agentos and leon? agentos: TypeScript AI agent framework providing cognitive memory and runtime tool forging with support for multi-agent orchestration. leon: Leon is your open-source personal assistant. See the comparison table for live GitHub stats and shared categories. ### When should I choose agentos over leon? Choose agentos over leon when License: agentos is Apache-2.0, leon is MIT; Tags unique to agentos: agent-framework, cognitive-memory, llm-orchestration, multi-agent; Need for cognitive memory and real-time tool generation in AI agents. ### When should I choose leon over agentos? Choose leon over agentos when License: leon is MIT, agentos is Apache-2.0; Tags unique to leon: ai-agent, speech-recognition, text-to-speech; Use Leon if you need a personal assistant that operates offline, ensuring your data isn't sent to external servers without review. ### When should I avoid agentos? Preferring frameworks without multi-agent orchestration support Prioritizing environments with less than eleven LLM provider options ### When should I avoid leon? Do not use Leon if you require extensive functionality provided by languages like Python or frameworks not supported by TypeScript. Avoid Leon if your project strictly requires real-time internet connectivity, as it is optimized for offline operation which could limit certain networking features. ### Is agentos or leon more popular on GitHub? leon has more GitHub stars (17,388 vs 617). Stars measure visibility, not whether either tool fits your constraints. ### Are agentos and leon open source? Yes - both are open-source projects on GitHub (agentos: Apache-2.0, leon: MIT). ### Where can I find alternatives to agentos or leon? GraphCanon lists graph-backed alternatives at [agentos alternatives](/tools/framerslab-agentos/alternatives) and [leon alternatives](/tools/leon-ai-leon/alternatives) ([agentos markdown twin](/tools/framerslab-agentos/alternatives.md), [leon markdown twin](/tools/leon-ai-leon/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/framerslab-agentos-vs-leon-ai-leon.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, agentos or leon? agentos: Active. leon: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for agentos and leon? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [agentos trust report](/tools/framerslab-agentos/trust); [leon trust report](/tools/leon-ai-leon/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=framerslab-agentos`](/api/graphcanon/graph?tool=framerslab-agentos) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_