LlamaIndex vs OpenAI Agents SDK
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
OpenAI Agents SDK is the stronger AI pick in AI Agents: it has a visibility score of 31.4 versus 2.2 for LlamaIndex, and ranks ahead in 100% of the answers that name both.
Choose LlamaIndex if…
- You need SOC 2 Type II or GDPR or HIPAA coverage
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
Choose OpenAI Agents SDK if…
- You want the brand AI engines rank higher (31.4 vs 2.2)
- AI answers describe it more positively (45% vs 20% positive)
- You need SOC 2 Type 2 or ISO/IEC 27001:2022 or ISO/IEC 27701:2019 or CSA STAR Level 1 coverage
- Widely adopted platform for enterprise and developer agents
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LlamaIndex | OpenAI Agents SDK |
|---|---|---|
| Visibility score | 2.2% | 31.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #41 | #2 |
| Share of voice | 0.8% | 5.8% |
| Mentions this run | 5 | 38 |
| Positive in AI answers | 20% | 45% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LlamaIndex 0pp · OpenAI Agents SDK 0pp over 0 weekly runs.
Engine by engine
OpenAI Agents SDK leads on 3 of 3 engines
Head to head in AI answers
4 engine answers name both brands
| Prompt | Engine | LlamaIndex | OpenAI Agents SDK |
|---|---|---|---|
| How do companies build and deploy AI agents that automate work without a dedicated tool? | ChatGPT | #8 | #1 |
| How do companies build and deploy AI agents that automate work without a dedicated tool? | AI Mode | #4 | #2 |
| What are the best AI Agents tools in 2026? | AI Mode | #7 | #5 |
| Who makes the most used AI agent platform? | ChatGPT | #8 | #1 |
Features, pricing & fit
| Dimension | LlamaIndex | OpenAI Agents SDK |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $50 / mo | — |
| Free plan | Yes | — |
| Deployment | LlamaParse runs as SaaS on a secure cloud tenant, or can be deployed in a customer's private VPC across cloud providers. | Runs inside the customer's own application; the customer controls deployment, storage and approvals. |
| Compliance | SOC 2 Type II, GDPR, HIPAA | SOC 2 Type 2, ISO/IEC 27001:2022, ISO/IEC 27701:2019, CSA STAR Level 1 |
| Support | Community, Basic (email), Priority (Slack Connect), Dedicated | — |
| Headquarters | San Francisco, California, United States | 1455 and 1515 Third Street, San Francisco |
| Employees | 11–50 | — |
| Funding | Strategic minority equity investments (Databricks, KPMG) · $28M raised | $122 billion round closed March 31, 2026 at $852 billion post-money, anchored by Amazon, Nvidia and SoftBank · $180000M raised |
| Best for | Teams in document-heavy industries such as finance, insurance, healthcare and manufacturing that need accurate parsing of complex tables, charts and scanned pages. | Teams already building on OpenAI models that want a lightweight framework to write their own agent logic. |
Plans side by side
OpenAI Agents SDK
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
LlamaIndex
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
OpenAI Agents SDK
- Widely adopted platform for enterprise and developer agents
- Streamlined framework for native GPT integration and function calling
- Good for rapid prototyping
- Access to foundational models and agent workflows via the OpenAI Platform
- A framework rather than a complete enterprise automation suite
- Requires separate payment for OpenAI model API usage
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LlamaIndex vs OpenAI Agents SDK”, https://slateindex.ai/compare/llamaindex-vs-openai-agents-sdk, data of Nov 3, 2026. Licence: CC BY 4.0.