Claude Agent SDK alternatives
As of 4 November 2026, 28 llm app frameworks are named by companies instead of Claude Agent SDK: LangChain by 3,507 companies, LangGraph by 2,401, LlamaIndex by 1,376.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Claude Agent SDK, companies in postings
- 168
- Most used alternative
- LangChain · 3,507
- Fastest hiring, 90 days
- LangChain
- Alternatives ranked
- 28
- Catalogue
- T-1.0.1-prov
llm app frameworks companies choose instead of Claude Agent SDK
Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.
| # | Alternative | Companies | companies | vs Claude Agent SDK | postings, 90 d | Compare |
|---|---|---|---|---|---|---|
| 1 | LangChainLangChain | 3,507 | 2088% | 11,510 | Claude Agent SDK vs LangChain → | |
| 2 | LangGraphLangChain | 2,401 | 1429% | 8,028 | Claude Agent SDK vs LangGraph → | |
| 3 | LlamaIndexLlamaIndex | 1,376 | 819% | 3,844 | Claude Agent SDK vs LlamaIndex → | |
| 4 | CrewAICrewAI | 993 | 591% | 2,982 | Claude Agent SDK vs CrewAI → | |
| 5 | AutoGenMicrosoft | 857 | 510% | 2,418 | Claude Agent SDK vs AutoGen → | |
| 6 | Semantic KernelMicrosoft | 622 | 370% | 2,537 | Claude Agent SDK vs Semantic Kernel → | |
| 7 | 353 | 210% | 1,433 | Claude Agent SDK vs Google Agent Development Kit → | ||
| 8 | RagasRagas | 218 | 130% | 479 | Claude Agent SDK vs Ragas → | |
| 9 | OpenAI Agents SDKOpenAI | 187 | 111% | 481 | Claude Agent SDK vs OpenAI Agents SDK → | |
| 10 | PydanticAIPydantic | 171 | 102% | 318 | Claude Agent SDK vs PydanticAI → | |
| 11 | GraphRAGMicrosoft | 157 | 93% | 498 | Claude Agent SDK vs GraphRAG → | |
| 12 | DeepEvalConfident AI | 156 | 93% | 298 | Claude Agent SDK vs DeepEval → | |
| 13 | Strands AgentsAmazon Web Services | 148 | 88% | 355 | Claude Agent SDK vs Strands Agents → | |
| 14 | Vercel AI SDKVercel | 148 | 88% | 265 | Claude Agent SDK vs Vercel AI SDK → | |
| 15 | Microsoft Agent FrameworkMicrosoft | 128 | 76% | 465 | soon | |
| 16 | Haystackdeepset | 120 | 71% | 404 | soon | |
| 17 | DSPyStanford NLP | 94 | 56% | 173 | soon | |
| 18 | MastraMastra | 61 | 36% | 85 | soon | |
| 19 | Spring AIVMware | 54 | 32% | 119 | soon | |
| 20 | AutoGPTSignificant Gravitas | 50 | 30% | 59 | soon | |
| 21 | DifyLangGenius | 47 | 28% | 82 | soon | |
| 22 | FastMCPPrefect | 43 | 26% | 82 | soon | |
| 23 | PipecatDaily | 32 | 19% | 62 | soon | |
| 24 | Deep AgentsLangChain | 31 | 18% | 148 | soon | |
| 25 | LangChain4jLangChain4j | 31 | 18% | 63 | soon | |
| 26 | Prompt FlowMicrosoft | 30 | 18% | 118 | soon | |
| 27 | AgnoAgno | 27 | 16% | 60 | soon | |
| 28 | Anthropic SDKAnthropic | 25 | 15% | 54 | soon |
Filter on any of them, or on Claude Agent SDK users who also name an alternative, and open the person who owns the stack.
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28 llm app frameworks are named by companies instead of Claude Agent SDK: LangChain by 3,507 companies, LangGraph by 2,401, LlamaIndex by 1,376, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/claude-agent-sdk/alternatives)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
- 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
- Not includedRatings, prices, feature claims, sponsored positions.
Claude Agent SDK alternatives: questions
What is the most used alternative to Claude Agent SDK?
LangChain: 3,507 companies name it in their own job postings, against 168 for Claude Agent SDK.
How is this list ranked?
By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.
Does this say which is better?
No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.
Can I get the companies on any of these?
Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.
Get these companies your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on Claude Agent SDK
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