AIStackWatch

AIStackWatch Tools

AI builder tools

A compact catalog of the editors, agent frameworks, model APIs, eval systems, RAG infrastructure, and inference tools that shape the AI builder stack.

All categoriesAI Coding8Agent Framework6LLM API5Eval Observability4Vector RAG3Inference2Prompt Dev2
Reset filters

4 matching tool

Active filters Category: Eval Observability

Arize AX

Eval Observability

$50/mo

AI observability and LLM evaluation.

Founded
2020
Company
Arize
ObservabilityEvalsEnterprise

Braintrust

Eval Observability

$249/mo

The enterprise stack for building AI products.

Founded
2023
Company
Braintrust
EvalsObservabilityPrompt Management

Helicone

Eval Observability

$20/mo

The open-source LLM observability platform.

Founded
2023
Company
Helicone
ObservabilityEvalsOpen Source

LangSmith

Eval Observability

$39/mo

Debug, test, and monitor LLM applications.

Founded
2023
Company
Langchain
ObservabilityEvalsTracing