Courier
API, designer, and metrics for product notifications
liteLLM
One library to standardize all LLM APIs
Updated February 2026
| Courier | liteLLM | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 3 | 17 |
| Pros | 0 | 8 |
| FactScore™ | 30.1 | 62.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Courier — Pros
No unique pros listedBoth tools — Pros
—Only in liteLLM — Pros
Support for custom models Caching and load balancing Easy provider switching OpenAI-compatible API Performance analysis integration Standardized API Unified interface for LLMs Versatile API callingOnly in Courier — Cons
—Both tools — Cons
—Only in liteLLM — Cons
—Details
| Courier | liteLLM | |
|---|---|---|
| Categories | Unified API | Unified API, AI Infrastructure Tools |
| Platforms | Web | Web |
| Became Popular | June 24, 2021 | August 9, 2023 |
| Website | www.courier.com | github.com |
Who Should Pick Which?
Choose Courier if...
- No unique pros listed
Choose liteLLM if...
- Support for custom models
- Caching and load balancing
- Easy provider switching
With a FactScore™ of 30.1 vs 62.8, liteLLM leads in community reception. Courier uniquely offers No unique pros listed, while liteLLM stands out for Support for custom models and Caching and load balancing.
What Users Say
Courier
I'm biased, but I've been building a lot of apps with Courier lately and it's a joy to work with. I like how the system is designed, the REST API is great and the SDKs (React, iOS and Android) are ...
liteLLM
liteLLM is a must for working with different models. We use different models for different tasks and subtasks. With liteLLM the code stays exactly the same and we can just focus on choosing the rig...
Big fan of liteLLM: one API for OpenAI/Anthropic/Groq/etc. Makes multi-model stacks painless
I find myself recommending this library to serious LLM-powered app developers that are trying to standardize their codebase by unifying all the APIs they use. Love it!
Related Comparisons
Frequently Asked Questions
Which is better, Courier or liteLLM?
Based on FactScore™, liteLLM leads with a score of 62.8 vs 30.1. liteLLM has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Courier compared to liteLLM?
Courier uniquely offers: No unique pros listed.
What are the pros of liteLLM compared to Courier?
liteLLM uniquely offers: Support for custom models, Caching and load balancing, Easy provider switching, OpenAI-compatible API, Performance analysis integration.
Is Courier better rated than liteLLM?
Courier is rated 5.0★ from 3 reviews. liteLLM is rated 5.0★ from 17 reviews.
What is the FactScore™ of Courier and liteLLM?
FactScore™ weighs rating and review volume together. Courier scores 30.1 and liteLLM scores 62.8.
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