Comparison
agent-zero vs sim
Verdict
Pick agent-zero if agent Zero is a Python-based AI framework that facilitates the creation of Dockerized autonomous AI agents, integrating with LLM providers like OpenAI Codex via OAuth; pick sim if sim, a platform for orchestrating AI agents with TypeScript support and local model capabilities via frameworks like Next.js and React.
Markdown twin · agent-zero alternatives · sim alternatives
GraphCanon updated Sep 30, 2026
13views this month
Trust & integrity
| Signal | agent-zero | sim |
|---|---|---|
| Maintenance | Very active (2d since push) As of Aug 19, 2026 · github_public_v1 | Very active (0d since push) As of Aug 18, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Aug 19, 2026 · github_public_v1 | Not a fork · Organization account As of Aug 18, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Jul 11, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- agent-zero
- Agent Zero AI framework
- sim
- Build, deploy, and orchestrate AI agents.
Stars
- agent-zero
- 19k
- sim
- 29k
Forks
- agent-zero
- 3.7k
- sim
- 3.8k
Open issues
- agent-zero
- 156
- sim
- 277
Language
- agent-zero
- Python
- sim
- TypeScript
Adopt for
- agent-zero
- Agent Zero is a Python-based AI framework that facilitates the creation of Dockerized autonomous AI agents, integrating with LLM providers like OpenAI Codex via OAuth.
- sim
- Sim, a platform for orchestrating AI agents with TypeScript support and local model capabilities via frameworks like Next.js and React.
Persona
- agent-zero
- -
- sim
- -
Runtime
- agent-zero
- -
- sim
- -
License
- agent-zero
- Other
- sim
- Licensed under Apache License 2.0, allowing for free usage, modification, and distribution with proper attribution.
Last pushed
- agent-zero
- Aug 16, 2026
- sim
- Aug 18, 2026
Categories
- agent-zero
- AI Agents, Inference & Serving
- sim
- AI Agents, Developer Tools
Trust and health
Days since push
- agent-zero
- 2d
- sim
- 0d
Open issues (now)
- agent-zero
- 156
- sim
- 277
Stars delta
- agent-zero
- +453 (30d)
- sim
- +286 (30d)
Open issues delta
- agent-zero
- -67 (30d)
- sim
- +41 (30d)
OSV dependency advisories
- agent-zero
- Published findings
- sim
- No lockfile (source not queried)
Full report
- agent-zero
- Trust report
- sim
- Trust report
Typed relationship
agent-zero alternative simBoth Agent Zero and sim aim to support the development, deployment, and orchestration of AI agents, offering somewhat overlapping functionalities.
Choose agent-zero if…
- agent-zero is primarily Python; sim is TypeScript.
- License: agent-zero is Other, sim is Apache-2.0.
- Both Agent Zero and sim aim to support the development, deployment, and orchestration of AI agents, offering somewhat overlapping functionalities.
- Tags unique to agent-zero: agent, ai, assistant, autonomous.
- Also covers Inference & Serving.
- Use Agent Zero when you need to create Dockerized instances for autonomous AI agents that can be easily managed and scaled.
When NOT to use agent-zero
- Avoid Agent Zero if you do not require Dockerization for your AI agents, as it adds an extra layer of complexity that may not be necessary.
- Do not use Agent Zero if you are looking for a framework that supports a wide range of LLM providers beyond OpenAI Codex, as its current integration is limited.
- Skip Agent Zero if you prefer a setup that does not rely on OAuth for connecting to LLM providers, as it may introduce additional steps in the setup process.
Choose sim if…
- sim is primarily TypeScript; agent-zero is Python.
- License: sim is Apache-2.0, agent-zero is Other.
- Requirements: Min 4 GB RAM; Requires Docker.
- Both Agent Zero and sim aim to support the development, deployment, and orchestration of AI agents, offering somewhat overlapping functionalities.
- Tags unique to sim: agent-workflow, aiagents, automation, low-code.
- Also covers Developer Tools.
- When you need to build low-code/no-code applications using TypeScript and want integration with popular web frameworks such as Next.js and React.
When NOT to use sim
- For projects that do not require low-code/no-code capabilities or when TypeScript is not preferred as a development language.
- Projects may avoid Sim if they have strict requirements for cloud-based models only, and the use of local models via Ollama or vLLM is unnecessary.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (agent0ai/agent-zero) · observed Sep 20, 2026
- GitHub forks (agent0ai/agent-zero) · observed Sep 20, 2026
- Last push (agent0ai/agent-zero) · observed Aug 16, 2026
- License file (Other) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 30, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (simstudioai/sim) · observed Sep 20, 2026
- GitHub forks (simstudioai/sim) · observed Sep 20, 2026
- Last push (simstudioai/sim) · observed Aug 18, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: agent-zero 19k · sim 29k (synced Sep 20, 2026).
Common questions
- What is the difference between agent-zero and sim?
- agent-zero: Agent Zero AI framework. sim: Build, deploy, and orchestrate AI agents.. See the comparison table for live GitHub stats and shared categories.
- When should I choose agent-zero over sim?
- Choose agent-zero over sim when agent-zero is primarily Python; sim is TypeScript; License: agent-zero is Other, sim is Apache-2.0; Both Agent Zero and sim aim to support the development, deployment, and orchestration of AI agents, offering somewhat overlapping functionalities; Tags unique to agent-zero: agent, ai, assistant, autonomous; Also covers Inference & Serving; Use Agent Zero when you need to create Dockerized instances for autonomous AI agents that can be easily managed and scaled.
- When should I choose sim over agent-zero?
- Choose sim over agent-zero when sim is primarily TypeScript; agent-zero is Python; License: sim is Apache-2.0, agent-zero is Other; Requirements: Min 4 GB RAM; Requires Docker; Both Agent Zero and sim aim to support the development, deployment, and orchestration of AI agents, offering somewhat overlapping functionalities; Tags unique to sim: agent-workflow, aiagents, automation, low-code; Also covers Developer Tools; When you need to build low-code/no-code applications using TypeScript and want integration with popular web frameworks such as Next.js and React.
- When should I avoid agent-zero?
- Avoid Agent Zero if you do not require Dockerization for your AI agents, as it adds an extra layer of complexity that may not be necessary. Do not use Agent Zero if you are looking for a framework that supports a wide range of LLM providers beyond OpenAI Codex, as its current integration is limited. Skip Agent Zero if you prefer a setup that does not rely on OAuth for connecting to LLM providers, as it may introduce additional steps in the setup process.
- When should I avoid sim?
- For projects that do not require low-code/no-code capabilities or when TypeScript is not preferred as a development language. Projects may avoid Sim if they have strict requirements for cloud-based models only, and the use of local models via Ollama or vLLM is unnecessary.
- Is agent-zero or sim more popular on GitHub?
- sim has more GitHub stars (29,424 vs 18,906). Stars measure visibility, not whether either tool fits your constraints.
- Are agent-zero and sim open source?
- Yes - both are open-source projects on GitHub (agent-zero: Other, sim: Apache-2.0).
- Where can I find alternatives to agent-zero or sim?
- GraphCanon lists graph-backed alternatives at agent-zero alternatives and sim alternatives (agent-zero markdown twin, sim markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, agent-zero or sim?
- agent-zero: Very active. sim: 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 agent-zero and sim?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: agent-zero trust report; sim trust report.