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Top 100 AI GitHub activity AI categories AI Compare Saved AI tools Learn about AI Categories Collections Newly added Underrated this week Technology stacks Tags Licenses Compare tools About AltStack Advertise

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Arize alternatives

Compare 7 alternatives to Arize. Use “Has a free option” to find tools you can try without buying a software plan. Check each card for hosting or AI usage costs.

Arize pricing:Pricing not verified

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Search for a tool or task, check its pricing, and open its official website. Freemium means a free plan with paid upgrades.

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Catalog updated · 13 Oct 2026

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Langfuse product interface

LangfuseAI

LLM Observability & Evaluation

Pricing not verified

Open source LLM engineering platform for AI-powered applications.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

36kstars+ 1.2k30 daysMIT

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Visit official website

Arize Phoenix product interface

Arize PhoenixAI

LLM Observability & Evaluation

Pricing not verified

Open-source LLM tracing & evaluation for AI optimization.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

12kstars+ 36830 daysElastic-2.0

USE INSTEAD OF

Visit official website

OpenLLMetryProduct logo · See the interface on the official website

OpenLLMetryAI

LLM Observability & Evaluation

Pricing not verified

Monitor LLM performance with open-source observability.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

7.5kstars+ 5330 daysApache-2.0

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Visit official website

LangWatch product interface

LangWatchAI

LLM Observability & Evaluation

Pricing not verified

Simulation-based testing and evaluation for AI agents.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

4.9kstars+ 1.4k30 daysApache-2.0

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Visit official website

Latitude product interface

LatitudeAI

LLM Observability & Evaluation

Pricing not verified

Full observability for AI agents in production.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

4.7kstars+ 8630 daysMIT

USE INSTEAD OF

Visit official website

Laminar product interface

LaminarAI

LLM Observability & Evaluation

Pricing not verified

AI-powered platform for engineering LLM products.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

3.4kstars+ 12630 daysApache-2.0

USE INSTEAD OF

Visit official website

OpenLIT product interface

OpenLIT AI

LLM Observability & Evaluation

Pricing not verified

Monitor, debug, and scale LLM applications with ease.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

2.8kstars+ 8530 daysApache-2.0

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Visit official website

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