ai Alternatives (2026)

The top alternatives to ai are ECC, langchain, 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.

RankAlternativeScorevs ai
#1ECC
by affaan-m
89.2+3.1
#9langchain
by langchain-ai
86.2+0.1
#11deepagents
by langchain-ai
86.1+0.0
#19llama_index
by run-llama
85.4-0.7
#24crewAI
by crewAIInc
85.0-1.1
#29semantic-kernel
by microsoft
84.9-1.2
#30sim
by simstudioai
84.9-1.2
#31dspy
by stanfordnlp
84.8-1.3