LlamaIndex vs OpenAI Agents SDK

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

LlamaIndex

LlamaIndex Inc.

AI Agents for Document OCR + Workflows

Freemium

82% verification coverage

OpenAI Agents SDK

OpenAI

A lightweight framework for building multi-agent workflows

Open Source

69% verification coverage

Trust & Reliability

LlamaIndex

Uptime:99.99%Status page

Users:100K-1M

Customers (per vendor):Jeppesen (a Boeing Company), NTT Data, Carlyle

GDPR

SOC 2

HIPAA

OpenAI Agents SDK

Customers (per vendor):Coinbase, Box

Overall Winner: LlamaIndex

6.8/10 vs OpenAI Agents SDK at 4.0/10

Leads in:

Customization

Support

Compliance & Data Protection

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

LlamaIndex

6.8

avg score

OpenAI Agents SDK

4.0

avg score

LlamaIndex leads overall — particularly in Ease of Use and Customization and 3 more.

Based on 6 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

LlamaIndex

6.8 / 10

LlamaIndex

Best For

Engineering and R&D teams accelerating product development

Administrative operations streamlining business processes

Financial analysts building AI-powered financial models

Insurance companies automating claims and underwriting

OpenAI Agents SDK

Best For

Developers building AI agents

Engineers creating multi-agent systems

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

LlamaIndex is best for

✍️Writing & Content7.0🤖Automation & Agents6.2🔍Research5.8

OpenAI Agents SDK is best for

🤖Automation & Agents6.3📊Data & Analytics5.0✍️Writing & Content4.0

Filter by your use case:

Limitations

LlamaIndex

Cons

LlamaParse is a commercial platform and not open source, though LlamaIndex and Workflows are open source projects.
Bonus credits on the Pro plan expire immediately upon downgrade and require a business email domain.

OpenAI Agents SDK

Cons

Sandbox agents with UnixLocalSandboxClient are supported only on macOS and Linux, requiring DockerSandboxClient or a hosted client for Windows

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

LlamaIndex

6.8

/ 10

Clear winner

OpenAI Agents SDK

4.0

/ 10

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

LlamaIndex

3.0▲ +2.0

OpenAI Agents SDK

1.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

LlamaIndex

10.0▲ +5.0

OpenAI Agents SDK

5.0

Support

How strong is the documentation, customer support, community, and learning resources?

LlamaIndex

10.0▲ +4.0

OpenAI Agents SDK

6.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

LlamaIndex

5.0▲ +3.0

OpenAI Agents SDK

2.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

LlamaIndex

8.0▲ +3.0

OpenAI Agents SDK

5.0

Performance

Calculated

Latency + throughput speed

LlamaIndex

5.0

OpenAI Agents SDK

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

LlamaIndex

—

OpenAI Agents SDK

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

LlamaIndex

Task

OpenAI Agents SDK

6.0

Role Definition

8.0

6.0

Task Decomposition

6.0

Agent Coordination

8.0

5.0

Inter Agent Communication

7.0

8.0

Workflow Orchestration

8.0

7.0

Tool Use Delegation

9.0

7.0

State Management

8.0

6.0

Error Recovery

7.0

Observability

9.0

7.0

Scalability Throughput

7.0

6.0

Task Delegation

8.0

6.0

Parallel Execution

7.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between LlamaIndex and OpenAI Agents SDK?

LlamaIndex — "AI Agents for Document OCR + Workflows". OpenAI Agents SDK — "A lightweight framework for building multi-agent workflows". The Features section on this page compares them side by side.

Who is LlamaIndex best for compared with OpenAI Agents SDK?

LlamaIndex is best for Engineering and R&D teams accelerating product development; and for Administrative operations streamlining business processes. OpenAI Agents SDK is best for Developers building AI agents; and for Engineers creating multi-agent systems.

How does the pricing of LlamaIndex compare with OpenAI Agents SDK?

LlamaIndex is freemium, includes a free plan, paid plans start at $50/month. OpenAI Agents SDK is open source, includes a free plan. Always verify current pricing with the vendor.

Does LlamaIndex or OpenAI Agents SDK have a free plan?

LlamaIndex has a free plan. OpenAI Agents SDK is open source. Always verify current pricing with the vendor.

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