Comparison
agent-zero vs sim
Verdict
Pick agent-zero if agent-zero is a Python-based autonomous agent framework that uses Docker for deployment and supports integration with LLM providers such as 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 today
Trust & integrity
| Signal | agent-zero | sim |
|---|---|---|
| Maintenance | Very active (2d since push) As of today · github_public_v1 | Very active (0d since push) As of 2d · github_public_v1 |
| Provenance | Not a fork · Organization account As of today · github_public_v1 | Not a fork · Organization account As of 2d · github_public_v1 |
| OSV dependency advisories | Published findings As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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 autonomous agent framework that uses Docker for deployment and supports integration with LLM providers such as 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.
- Pricing: The repository does not explicitly state any pricing information..
- Requirements: Requires Docker; Requires Docker setup and can be configured to leverage existing Docker environments..
- 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.
- * When setting up agents in SSH sessions, servers, recovery shells, or requiring scriptable installation processes.
When NOT to use agent-zero
- * When your deployment environment does not support or require Dockerization for agent operations.
- * In scenarios where OAuth-based integration with third-party language model providers is undesirable or impractical.
- * For installations that do not align well with the provided `/a0/usr` directory mapping conventions (e.g., specific data directories are required).
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 Aug 19, 2026
- GitHub forks (agent0ai/agent-zero) · observed Aug 19, 2026
- Last push (agent0ai/agent-zero) · observed Aug 16, 2026
- License file (Other) · observed Aug 19, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (simstudioai/sim) · observed Aug 18, 2026
- GitHub forks (simstudioai/sim) · observed Aug 18, 2026
- Last push (simstudioai/sim) · observed Aug 18, 2026
- License file (Apache-2.0) · observed Aug 18, 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 Aug 19, 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; Pricing: The repository does not explicitly state any pricing information.; Requirements: Requires Docker; Requires Docker setup and can be configured to leverage existing Docker environments.; 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; * When setting up agents in SSH sessions, servers, recovery shells, or requiring scriptable installation processes.
- 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?
- * When your deployment environment does not support or require Dockerization for agent operations. * In scenarios where OAuth-based integration with third-party language model providers is undesirable or impractical. * For installations that do not align well with the provided
/a0/usrdirectory mapping conventions (e.g., specific data directories are required). - 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.