Lunary AI Abso

TypeScript SDK for calling over 100 LLMs using OpenAI's format

DecliningOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is Lunary AI Abso?

Abso is a TypeScript SDK that simplifies the process of integrating and calling over 100 large language models (LLMs) by standardizing them to use OpenAI’s API format. This makes it easier for developers to experiment with different models without changing their codebase.

Key differentiator

Lunary AI Abso stands out by providing a standardized TypeScript SDK that simplifies the integration and experimentation with over 100 large language models, making it easier for developers to leverage different models without changing their codebase.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Standardizes over 100 LLMs to use OpenAI's API formatmedium

Simplifies integration and experimentation with different modelsmedium

Open-source under MIT licensemedium

↓ Weaknesses

Steep learning curve for non-TypeScript developershigh

The SDK is primarily in TypeScript, which may require additional time and effort to learn for developers unfamiliar with the language.

Limited documentation and examplesmedium

The project's documentation lacks comprehensive guides and practical examples, making it harder for new users to understand how to integrate different LLMs effectively.

Frequent breaking changes between versionshigh

Users have reported significant changes in API structure from v0.1 to v0.2, requiring substantial code updates and rework for existing projects.

Dependence on third-party models' availability and stabilitymedium

Integration with over 100 LLMs means that the reliability of Abso is partially dependent on the uptime and performance of these external services, which can vary.

Complex setup for certain modelslow

Setting up some less popular or specialized LLMs through Abso can be more complex due to limited support and community resources compared to widely used models like OpenAI's.

Fit analysis

Who is it for?

✓ Best for

TypeScript developers who need to quickly test and integrate multiple LLMs in their applications

Teams working on projects that require flexibility in choosing the best-performing language models

Researchers looking for a standardized way to experiment with different large language models

✕ Not a fit for

Projects requiring real-time streaming capabilities (Abso is designed for batch processing)

Developers who prefer using native APIs of each LLM rather than a unified format

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Lunary AI Abso

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →