liteLLM
One library to standardize all LLM APIs
Merge
Fast, secure integrations for your products and agents
Updated February 2026
| liteLLM | Merge | |
|---|---|---|
| Rating | 5.0★ | 4.8★ |
| Reviews | 17 | 17 |
| Pros | 8 | 17 |
| FactScore™ | 62.8 | 60.5 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
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 callingBoth tools — Pros
—Only in Merge — Pros
Time savings Unified API AI integration Easy integration Integration management Responsive team Cost savings Customer support Developer experience Free tier Reliable platform Scalability Integration observability tools Reliable performance Dashboard Excellent customer support Integration troubleshootingOnly in liteLLM — Cons
—Both tools — Cons
—Only in Merge — Cons
Custom code requirement PricingDetails
| liteLLM | Merge | |
|---|---|---|
| Categories | Unified API, AI Infrastructure Tools | Unified API, AI Agent Automation |
| Platforms | Web | Web |
| Became Popular | August 9, 2023 | April 5, 2022 |
| Website | github.com | merge.dev |
Who Should Pick Which?
Choose liteLLM if...
- Support for custom models
- Caching and load balancing
- Easy provider switching
Choose Merge if...
- Time savings
- Unified API
- AI integration
With a FactScore™ of 62.8 vs 60.5, liteLLM leads in community reception. liteLLM uniquely offers Support for custom models and Caching and load balancing, while Merge stands out for Time savings and Unified API.
What Users Say
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!
Merge
Merge beautifully powers the integrations we have with the financial apps, which is critical to enabling real-time insights for founders. Not only that, but the Merge GTM team has been so helpful -...
One centralized API (ring?) to rule them all
Helps us save so much time!!!
Related Comparisons
Frequently Asked Questions
Which is better, liteLLM or Merge?
Based on FactScore™, liteLLM leads with a score of 62.8 vs 60.5. liteLLM has a higher rating of 5.0★ compared to 4.8★.
What are the pros of liteLLM compared to Merge?
liteLLM uniquely offers: Support for custom models, Caching and load balancing, Easy provider switching, OpenAI-compatible API, Performance analysis integration.
What are the pros of Merge compared to liteLLM?
Merge uniquely offers: Time savings, Unified API, AI integration, Easy integration, Integration management.
Is liteLLM better rated than Merge?
liteLLM is rated 5.0★ from 17 reviews. Merge is rated 4.8★ from 17 reviews.
What is the FactScore™ of liteLLM and Merge?
FactScore™ weighs rating and review volume together. liteLLM scores 62.8 and Merge scores 60.5.
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