langchain Alternatives (2026)
As of September 2026, the top alternatives to langchain are agentic-awesome-skills, ECC, ai, crewAI, deepseek-harness, llama_index, dspy and semantic-kernel — 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 |
|---|---|---|---|
| #2 | agentic-awesome-skills by sickn33 | 87.5 | +1.2 |
| #4 | ECC by affaan-m | 87.0 | +0.7 |
| #13 | ai by vercel | 86.1 | -0.2 |
| #14 | crewAI by crewAIInc | 86.0 | -0.3 |
| #17 | deepseek-harness by deepseek-ai | 85.7 | -0.6 |
| #23 | llama_index by run-llama | 85.5 | -0.8 |
| #34 | dspy by stanfordnlp | 84.9 | -1.4 |
| #35 | semantic-kernel by microsoft | 84.9 | -1.4 |