llama_index Alternatives (2026)
The top alternatives to llama_index are agentic-awesome-skills, langchain, ai, crewAI, deer-flow, dspy, semantic-kernel and sim — 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 llama_index |
|---|---|---|---|
| #3 | agentic-awesome-skills by sickn33 | 87.4 | +1.9 |
| #10 | langchain by langchain-ai | 86.3 | +0.8 |
| #12 | ai by vercel | 86.1 | +0.6 |
| #26 | crewAI by crewAIInc | 85.1 | -0.4 |
| #28 | deer-flow by bytedance | 85.0 | -0.5 |
| #31 | dspy by stanfordnlp | 84.9 | -0.6 |
| #32 | semantic-kernel by microsoft | 84.9 | -0.6 |
| #33 | sim by simstudioai | 84.9 | -0.6 |