langchain Alternatives (2026)
The top alternatives to langchain are ECC, ai, deepagents, llama_index, crewAI, semantic-kernel, sim and dspy — ranked open-source Agent Framework agents on The Agentic Leaderboard.
Ranked by overall score on reliability, tool selection quality, autonomous iteration, efficiency, and community mindshare. Updated weekly.
| Rank | Alternative | Score | vs langchain |
|---|---|---|---|
| #1 | ECC by affaan-m | 89.2 | +3.0 |
| #10 | ai by vercel | 86.1 | -0.1 |
| #11 | deepagents by langchain-ai | 86.1 | -0.1 |
| #19 | llama_index by run-llama | 85.4 | -0.8 |
| #24 | crewAI by crewAIInc | 85.0 | -1.2 |
| #29 | semantic-kernel by microsoft | 84.9 | -1.3 |
| #30 | sim by simstudioai | 84.9 | -1.3 |
| #31 | dspy by stanfordnlp | 84.8 | -1.4 |