LlamaIndex vs Semantic Kernel: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for LlamaIndex and Semantic Kernel side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
LlamaIndex
Data framework for LLM applications
Best for you if:
- • You want great for RAG
Semantic Kernel
Orchestrate AI plugins and memory for intelligent applications
Best for you if:
- • You want a fully free tool (LlamaIndex requires payment)
| At a Glance | LlamaIndex | Semantic Kernel |
|---|---|---|
Starts at | Free plan | Free 100% free |
Category | Developer Tools AI Assistants | Developer Tools AI Assistants |
Rating | n/a | 3.3/5 Trustpilot 3.3 7 reviews |
Free plan | Yes | Yes |
Choose LlamaIndex or Semantic Kernel?
Choose LlamaIndex if
- You want great for RAG
- You want easy data integration
Choose Semantic Kernel if
- You want a fully free tool (LlamaIndex requires payment)
- You want facilitates integration of AI with traditional software development
- You want provides structured components for building complex AI applications
In-Depth Analysis
LlamaIndex
Data framework for LLM applications
LlamaIndex offers a very generous open-source tier, providing a full LLM framework and RAG capabilities for free.
Strengths
- Pro: Great for RAG
- Pro: Easy data integration
- Pro: Good documentation
Weaknesses
- Con: Learning curve
- Con: Can be slow
Key features
Semantic Kernel
Orchestrate AI plugins and memory for intelligent applications
Strengths
- Pro: Facilitates integration of AI with traditional software development.
- Pro: Provides structured components for building complex AI applications.
- Pro: Supports future-proofing AI solutions against technological changes.
- Pro: Offers robust features for enterprise-grade AI development, including security and observability.
Weaknesses
- Con: Requires developer expertise to implement and manage.
- Con: Steeper learning curve for those unfamiliar with AI orchestration concepts.
- Con: Specific language support details are not immediately available, requiring further investigation.
Key features
Plans and prices: LlamaIndex vs Semantic Kernel
| Tool | Plans and prices | Source |
|---|---|---|
| LlamaIndex |
| llamaindex.ai/pricing read Oct 23, 2026 |
| Semantic Kernel | No plan prices on file | learn.microsoft.com |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on LlamaIndex pricing and Semantic Kernel pricing.
Key Takeaways
LlamaIndex
- Choose if you want data framework for LLM applications
Semantic Kernel
- Choose if you want orchestrate AI plugins and memory for intelligent applications
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Semantic Kernel has a published user rating (3.3/5 from 7 reviews); LlamaIndex has none we can show.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do LlamaIndex and Semantic Kernel compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Semantic Kernel has a published user rating (3.3/5 from 7 reviews); LlamaIndex has none we can show. Both have a free plan.
What are LlamaIndex and Semantic Kernel used for?
LlamaIndex: Data framework for LLM applications. Semantic Kernel: Orchestrate AI plugins and memory for intelligent applications.
What does LlamaIndex cost vs Semantic Kernel?
LlamaIndex has no public paid-plan price on file. Semantic Kernel is free. Prices read on the vendors' pricing pages, latest check Oct 23, 2026.
What's the main difference between LlamaIndex and Semantic Kernel?
LlamaIndex's main strength: great for RAG. Semantic Kernel's main strength: facilitates integration of AI with traditional software development.