LlamaIndex
Data framework and agent workflows for document-heavy RAG.
Full LlamaIndex record →Head to head
LlamaIndex vs ChatGPT Agent
LlamaIndex (LlamaIndex) and ChatGPT Agent (OpenAI) both sit in Agents & Automation. LlamaIndex is the cheaper entry point at Open source; LlamaCloud usage-based. ChatGPT Agent shipped more tracked changes in the last 30 days (7 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | LlamaIndex LlamaIndex | ChatGPT Agent OpenAI |
|---|---|---|
| Segment | Agents & Automation | Agents & Automation |
| Version | 0.1x | gpt-6-astra |
| Entry cost | Open source; LlamaCloud usage-based | from $20/mo |
| Pricing tiers | — | ChatGPT Plus $20 |
| Model stack | model-agnostic | GPT-5.2 · GPT-5.4 · gpt-5.6 · gpt-6-astra |
| Context window | — | 196K tokens |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 7 |
| Origin | Global | Global |
| Capabilities | Parsing, Indexing, Agent workflows | Virtual browser, Terminal access, Connectors, Takeover mode, Scheduled tasks, Agents SDK, Agent Builder, Computer use |
ChatGPT Agent
Controls a virtual browser and terminal to complete tasks end to end.
Full ChatGPT Agent record →