Best Libretto Alternatives & Competitors 2026

Libretto helps you monitor and optimize your AI models effortlessly.

A popular AI Model Monitoring tool. We've analyzed 20 similar AI tools to help you compare features, popularity, and ratings. Find the perfect alternative for your needs.

Quick Comparison

(Top 5 by Traffic)
ToolVisitsTop MarketGrowthRating
DeepChecks
DeepChecks
109.3K
🇺🇸
United States8.1%
-1.1%
-
Confident AI
Confident AI
106.5K
🇺🇸
United States14.7%
+12.9%
-
Fiddler AI
Fiddler AI
63.8K
🇺🇸
United States24.8%
-2.7%
-
Raindrop AI
Raindrop AI
51.7K
🇺🇸
United States47.0%
+73.3%
-
Keywords AI
Keywords AI
36.8K
🇺🇸
United States20.1%
+17.4%
-
Data based on traffic metrics from December 2025

Top 20 Alternatives to Libretto

Openlayer
🌱Emerging Tool

Openlayer helps you test and monitor AI systems for high quality and reliability.

ID
30.81%
|
11.3K
|
4.0
Confident AI
Medium Scale

Confident AI is the ultimate platform for evaluating and improving LLM applications, offering real-time monitoring, custom metrics, and cost optimization.

US
14.66%
|
106.5K
|
5.0
Fiddler AI
🌱Emerging Tool

Fiddler AI offers powerful tools for monitoring and ensuring the performance of your AI models.

US
24.82%
|
63.8K
|
5.0
Raindrop AI
🌱Emerging Tool

Raindrop is an easy-to-use AI monitoring platform that helps teams detect hidden issues, track AI behavior, and get real-time alerts. It keeps your AI running smoothly while protecting user privacy.

US
47.01%
|
51.7K
|
5.0
DeepChecks
Medium Scale

Deepchecks simplifies LLM evaluation and monitoring, helping you release high-quality AI apps quickly and efficiently.

US
8.07%
|
109.3K
|
5.0
Testbook
🚀Super High Traffic

Testbook is an AI-powered Chrome extension that simplifies web app testing with features like regression testing, UI comparison, and record and playback. It’s perfect for developers and QA teams looking to save time and improve accuracy.

US
18.24%
|
190.2M
|
5.0
Athina AI
🌱Emerging Tool

Athina is a versatile AI platform that accelerates AI development with tools for prompt management, dataset evaluation, and real-time monitoring. It’s trusted by world-class teams for its flexibility and ease of use.

US
40.63%
|
15.6K
|
4.0
LangWatch
🌱Emerging Tool

LangWatch is an easy-to-use platform for testing, evaluating, and monitoring AI agents and LLMs, helping teams catch issues early and optimize performance.

US
26.40%
|
31.0K
|
4.0
Keywords AI
🌱Emerging Tool

Keywords AI is the ultimate LLM monitoring platform, designed to help AI startups debug, monitor, and optimize their applications with ease.

US
20.12%
|
36.8K
|
4.0
Autoblocks AI
🌱Emerging Tool

Autoblocks AI helps teams ship reliable AI faster, with testing, compliance, and expert feedback built in.

US
28.62%
|
13.2K
|
4.0
LM Arena (Chatbot Arena)
🚀Super High Traffic

LMArena is a powerful platform for benchmarking and comparing top AI models, offering side-by-side comparisons, crowdsourced leaderboards, and the latest AI news, all while advancing AI research through user feedback.

RU
13.21%
|
25.3M
|
5.0
Eden AI
Medium Scale

Eden AI simplifies AI integration with a unified API, workflow tools, and cost monitoring—perfect for developers and businesses.

US
9.33%
|
190.8K
|
5.0
Adaptive
🌱Emerging Tool

Optimize your business with Adaptive ML's powerful LLM solutions.

US
43.97%
|
49.6K
|
4.0
RelicX

Relicx is a Generative AI-powered testing tool that simplifies test creation, execution, and maintenance, helping teams ship quality releases faster.

NP
87.35%
|
5.0K
|
3.0
Arize AI
Medium Scale

Arize is the all-in-one platform for AI observability and evaluation, helping teams monitor, debug, and improve their AI models in production.

US
24.52%
|
296.8K
|
5.0
Autify
🚀Super High Traffic

Autify AI Labs (Beta) is your go-to Chrome extension for smarter, faster software testing with AI-powered features.

US
18.24%
|
190.2M
|
5.0
Maxim
🌱Emerging Tool

Maxim AI is an all-in-one platform for testing, simulating, and monitoring AI agents. It speeds up development, ensures quality, and supports teams with no-code tools and enterprise-grade security.

US
22.81%
|
56.2K
|
5.0
Pezzo

Pezzo is a developer-first AI platform that helps you ship AI features faster, with tools for prompt management, observability, and collaboration.

DE
100.00%
|
1.3K
|
3.0
Berri
Medium Scale

LiteLLM simplifies AI model access, tracks spending, and ensures smooth fallbacks across 100+ LLMs—all in the OpenAI format.

US
14.21%
|
378.0K
|
5.0
AgentOps
🌱Emerging Tool

AgentOps is the ultimate platform for building, debugging, and deploying AI agents, offering powerful tools like session replay, cost tracking, and fine-tuning.

US
21.29%
|
38.7K
|
4.0
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