antigravity-sdk-python vs AutoGen
antigravity-sdk-python and AutoGen are both agent frameworks for Python. antigravity-sdk-python is published by google-antigravity and AutoGen by Microsoft. On GitHub, AutoGen has 61,549 stars and antigravity-sdk-python has 3,829. Both were last active in Oct 2026. The table lines up where they differ (publisher, license, GitHub stars and weekly downloads) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. antigravity-sdk-python describes itself as: Python SDK for building agents on Google Antigravity and Gemini, with the agent loop handled by the runtime. AutoGen: Archived Microsoft Python framework for multi-agent apps; Microsoft directs new users to Microsoft Agent Framework. Licenses: antigravity-sdk-python Apache-2.0, AutoGen CC-BY-4.0.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
antigravity-sdk-python
google-antigravity
Python SDK for building agents on Google Antigravity and Gemini, with the agent loop handled by the runtime.
AutoGen
Microsoft
Archived Microsoft Python framework for multi-agent apps; Microsoft directs new users to Microsoft Agent Framework.
Who should pick which
- Pick AutoGen if you need several agents working together.
- AutoGen has the larger community: 61,549 GitHub stars against 3,829.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | antigravity-sdk-python | AutoGen |
|---|---|---|
| Type | Harness | Harness |
| Publisher | google-antigravity | Microsoft |
| License | Apache-2.0 | CC-BY-4.0 |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 3,829 | 61,549 |
| Weekly downloads | 126,517 | 88,975 |
| Last release | Unknown | Sep 30, 2025 |
| Last activity | Oct 13, 2026 | Oct 16, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
antigravity-sdk-python
pip install google-antigravity
AutoGen
pip install autogen-agentchat
Also consider
- 0.853score
LlamaIndex
LlamaIndex
Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages.
HarnessAFreshness: A★ 52.6K↓ 1.4M/wk - 0.753score
LangChain
LangChain
Python framework of interoperable components and integrations for building agents and LLM apps, with LangGraph and Deep Agents layered above it.
HarnessAFreshness: A★ 148.4K↓ 37.3M/wk - 0.748score
LangGraph
LangChain
Low-level Python orchestration framework for long-running stateful agents, with durable execution, human review points and short- and long-term memory.
HarnessAFreshness: A★ 43.8K↓ 13.1M/wk
Questions
- Is antigravity-sdk-python or AutoGen more popular?
- AutoGen has more GitHub stars (61,549 against 3,829). Stars measure attention, not quality, so check freshness and docs too.
- Are antigravity-sdk-python and AutoGen open source?
- Yes: antigravity-sdk-python is Apache-2.0 and AutoGen is CC-BY-4.0.
Related
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- Comparisonantigravity-sdk-python vs LlamaIndex
- ComparisonAutoGen vs LlamaIndex
- ComparisonAutoGen vs Strands Agents
- ComparisonAutoGen vs GitHub Copilot SDK
Cite this page
antigravity-sdk-python vs AutoGen. Agent Mart. https://agentmart.dev/compare/antigravity-sdk-python-vs-autogen (last updated 2026-10-26)