Alternatives · AI agents
LangSmith alternatives
8curated options scored against Magpie's rubric.
LangSmith is a agents tool curated by Magpie. If it's not the right fit — pricing, scope, learning curve, or just preference — these are the strongest alternatives in the same category, ranked by our six-dimension rubric.
Top alternatives, ranked by score
LlamaIndex
RAG and agent framework with managed cloud
$50/mo·Seed → Growth
Relevance AI
No-code multi-agent workforce builder
$29/mo·MVP → Growth
Crew AI
Open-source multi-agent framework
Free·Seed → Growth
LangGraph
Multi-agent orchestration framework with state graphs
$39/mo·Seed → Growth
E2B
Cloud sandboxes for AI agents
$150/mo·Seed → Growth
Stack AI
Enterprise AI agent platform
Contact·Seed → Growth
Vellum
Build agents from natural-language descriptions
$25/mo·Seed → Growth
Alta
Autonomous prospecting agent layer
Contact·Seed → Growth
How Magpie chose these alternatives
Every alternative shown sits in the same agents category as LangSmith, and clears Magpie's 3.0-overall score floor. We exclude tools that auto-disqualify on enterprise-only pricing or sunset status, and we rank by our six-dimension rubric — SME fit, JTBD clarity, integration and agent-readiness, trust, quality, and compliance. Read the full methodology on the How we score page.
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