AgentScope Java vs Semantic Kernel
AgentScope Java and Semantic Kernel are both agent frameworks for Java. AgentScope Java is published by Alibaba Tongyi Lab and Semantic Kernel by Microsoft. On GitHub, Semantic Kernel has 28,694 stars and AgentScope Java has 6,102. Both were last active in Oct 2026. The table lines up where they differ (publisher, license, GitHub stars and category) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. AgentScope Java describes itself as: Java framework for distributed, long-running agents with typed event streams, permission gating, middleware and subagents. Semantic Kernel: Model-agnostic SDK for building agents and multi-agent systems in Python, .NET and Java; Microsoft names Agent Framework as its successor. Licenses: AgentScope Java Apache-2.0, Semantic Kernel MIT.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
AgentScope Java
Alibaba Tongyi Lab
Java framework for distributed, long-running agents with typed event streams, permission gating, middleware and subagents.
Semantic Kernel
Microsoft
Model-agnostic SDK for building agents and multi-agent systems in Python, .NET and Java; Microsoft names Agent Framework as its successor.
Who should pick which
- Pick Semantic Kernel if you work in Python and C#.
- Pick Semantic Kernel if you want MCP support built in.
- Semantic Kernel has the larger community: 28,694 GitHub stars against 6,102.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | AgentScope Java | Semantic Kernel |
|---|---|---|
| Type | Harness | Harness |
| Publisher | Alibaba Tongyi Lab | Microsoft |
| License | Apache-2.0 | MIT |
| 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 | 6,102 | 28,694 |
| Weekly downloads | Not measured | 77,490 |
| Last release | Oct 8, 2026 | Oct 6, 2026 |
| Last activity | Oct 24, 2026 | Oct 23, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
AgentScope Java
No install instructions from the source yet. Check the repository for setup steps.
Semantic Kernel
pip install semantic-kernel
Also consider
- 0.757score
atmosphere
Atmosphere
Java runtime for AI agents that streams tokens and tool events over WebSocket, SSE or gRPC, with human approvals.
HarnessAFreshness: A★ 3.8K - 0.705score
LangChain4j
LangChain4j
Java library with one API over LLM providers and vector stores, plus tools, RAG and integrations for Quarkus and Spring Boot.
HarnessAFreshness: A★ 13.3K - 0.694score
Spring AI
Broadcom (Spring)
Java application framework from the Spring project with portable chat and embedding APIs, tool calling and vector stores.
HarnessAFreshness: A★ 9.6K
Questions
- Is AgentScope Java or Semantic Kernel more popular?
- Semantic Kernel has more GitHub stars (28,694 against 6,102). Stars measure attention, not quality, so check freshness and docs too.
- Are AgentScope Java and Semantic Kernel open source?
- Yes: AgentScope Java is Apache-2.0 and Semantic Kernel is MIT.
Related
Cite this page
AgentScope Java vs Semantic Kernel. Agent Mart. https://agentmart.dev/compare/agentscope-java-vs-semantic-kernel (last updated 2026-10-26)