AI AGENT FRAMEWORKS
Head-to-Head Comparison

LlamaIndex Agents vs Haystack Agents

Quick answer: LlamaIndex Agents leads this head-to-head in 2026, scoring 86 on the Hyland Score against Haystack Agents's 78. It scores higher on the Hyland Score (86 vs 78). Choose Haystack Agents instead if your work fits the "Orchestration" category better.

HIGHER SCORE

LlamaIndex Agents

LlamaIndex
86HYLAND SCORE

Data agents that reason over your documents.

Try LlamaIndex Agents

Haystack Agents

deepset
78HYLAND SCORE

Production pipelines with agentic loops.

Try Haystack Agents

Spec-by-spec

SPEC
LLAMAINDEX AGENTS
HAYSTACK AGENTS
Hyland Score
86
78
Category
Data Agents
Orchestration
Pricing
Freemium
Freemium
Open source
Yes
Yes
Self-hostable
Yes
Yes
Language
Python, TypeScript
Python
Architecture
Worker / workflow
Pipeline components
License
MIT
Apache 2.0
GitHub stars
~43K
~21K

LlamaIndex Agents: strengths & weaknesses

  • Higher Hyland Score (86 vs 78)
  • Freemium pricing lowers the cost of getting started

Haystack Agents: strengths & weaknesses

  • Freemium pricing lowers the cost of getting started
  • Lower Hyland Score (78 vs 86)
The Verdict

Choose LlamaIndex Agents for most teams

LlamaIndex Agents comes out ahead because it scores higher on the Hyland Score (86 vs 78).

Choose Haystack Agents instead if your work fits the "Orchestration" category better.

LlamaIndex Agents vs Haystack Agents: FAQ

Which is better, LlamaIndex Agents or Haystack Agents?

Based on the Hyland Score, LlamaIndex Agents leads with 86 vs 78, because it scores higher on the Hyland Score (86 vs 78). However, Choose Haystack Agents instead if your work fits the "Orchestration" category better.

Is LlamaIndex Agents free to use?

LlamaIndex Agents uses a Freemium pricing model. It is open source. It can be self-hosted.

Is Haystack Agents free to use?

Haystack Agents uses a Freemium pricing model. It is open source. It can be self-hosted.

Can I use LlamaIndex Agents and Haystack Agents together?

Yes — many teams combine them. LlamaIndex Agents strengths: python, typescript, rag. Haystack Agents strengths: python, pipelines, enterprise. Evaluate both against your actual workload before standardizing on one.

Related in AI Agent Frameworks

VERIFIED

LangChain

LangChain Inc
96HYLAND

The most popular framework for building LLM applications.

FrameworkOpen Source Self-host
View
VERIFIED

AutoGen

Microsoft
94HYLAND

Microsoft multi-agent conversation framework enabling complex LLM applications through agent collaboration.

Multi-AgentOpen Source Self-host
View
FEATURED VERIFIED

LangGraph

LangChain
94HYLAND

Stateful, controllable agent orchestration as graphs.

OrchestrationOpen Source Self-host
9.8k/wk
View