LLM Providers

@llamaindex/openai

OpenAI Adapter for LlamaIndex, enabling seamless integration with OpenAI models.

Status
UnmaintainedGitHub repository has been archived.
Last checked
Checked · Oct 12, 2026
License
Open source
Pricing
Free tier · from $0

What it is

The @llamaindex/openai package provides an adapter to integrate OpenAI's language models into the LlamaIndex framework. This tool is crucial for developers looking to leverage advanced AI capabilities within their applications without needing to manage complex model configurations directly.

The @llamaindex/openai adapter stands out by offering a streamlined, easy-to-use integration with OpenAI models for TypeScript developers, reducing the complexity typically associated with AI model integration.

When it fits — and when it doesn’t

A good fit for

  • TypeScript developers who need to integrate OpenAI models quickly without managing complex configurations.

  • Teams building AI-driven applications that require direct integration with OpenAI's capabilities.

Look elsewhere if

  • Projects requiring real-time streaming of data (batch-only architecture)

  • Budget-constrained projects where cost optimization is critical

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited documentation and examples for advanced use cases

    Official documentation lacks detailed guides on complex integrations and optimizations

  2. 02

    Dependency on OpenAI's API stability and availability

    Performance and features are tightly coupled with OpenAI services, subject to their API changes

What it does well

  • Seamless integration with OpenAI models

  • Simplified API calls for developers

  • Customizable configurations for model usage

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up @llamaindex/openai

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →