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Alternatives to Galileo

30 tools that compete with or replace Galileo. Ranked by direct product-type match — not generic category overlap.

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Why people look for alternatives to Galileo

The complaints that come up most often in public discussion — reviews, forums and community threads. Not our opinion, and not the vendor's marketing.

  • Essentially no independent community reviews exist to validate the marketing claims
  • Advanced skill level means solo builders and small teams will hit a wall
  • Pro tier caps at 50,000 traces, pushing growing teams into unpriced Enterprise
  • Real-time guardrails and dedicated inference server are Enterprise-only features

Drawn from 79 mentions across 5 sources · researched Oct 11, 2026.

In fairness: users also consistently praise published pricing tiers ($0 / $100-mo / enterprise) are unusually transparent for this category, and 20+ out-of-box evals span rag, agents, safety, and security so you start fast. A complaint list is not a verdict — see the full picture on the Galileo page.

Galileo AI Evals

Galileo AI Evals

Galileo AI Evals turns offline evaluations into production guardrails that gate your AI agents in real time.

FreemiumTry
Visit Galileo AI Evals
Langfuse

Langfuse

Open-source LLM observability and agent evals: trace, evaluate, and improve production AI agents with MIT-licensed tooling.

FreemiumTry
Visit Langfuse
Braintrust

Braintrust

Braintrust is an agent observability platform that traces AI runs, scores quality with evals, and surfaces production failure patterns.

FreemiumTry
Visit Braintrust
OpenLIT

OpenLIT

OpenLIT is an open-source, OpenTelemetry-native agent harness engineering platform for LLM tracing, evals, and guardrails you self-host.

FreemiumTry
Visit OpenLIT
Arize Phoenix

Arize Phoenix

Arize Phoenix is open-source LLM observability: trace agent steps, run evals, and self-host your traces.

FreemiumTry
Visit Arize Phoenix
LangSmith

LangSmith

LangSmith is agent and LLM observability: trace, monitor, and evaluate AI agents in cloud, BYOC, or self-hosted.

FreemiumTry
Visit LangSmith
Maxim AI

Maxim AI

Maxim AI evaluates, simulates and observes AI agents — with Bifrost, its open-source LLM gateway, handling routing, budgets and guardrails.

FreemiumTry
Visit Maxim AI
Opik (Comet)

Opik (Comet)

Open-source AI observability for agent tracing, LLM-as-a-judge evals, and coding-agent cost tracking.

FreemiumTry
Visit Opik (Comet)
ActiveFence

ActiveFence

Alice red-teams GenAI models and agents before launch, then deploys custom runtime guardrails in production.

Contact SalesTry
Visit ActiveFence
Roark

Roark

Voice AI QA and evals: simulate callers before launch, then score every production call on 500+ audio-native metrics.

FreemiumTry
Visit Roark
Phoenix

Phoenix

Open-source LLM observability and agent evaluation you can trace, evaluate, and self-host for free.

FreemiumTry
Visit Phoenix
Comet

Comet

Opik by Comet turns LLM traces into root-cause groupings, eval scores and code fixes so agent teams stop shipping the same bug twice

FreemiumTry
Visit Comet
Confident AI

Confident AI

LLM evaluation, observability, and red teaming in one workspace — ship AI you can actually trust

FreemiumTry
Visit Confident AI
TruLens

TruLens

TruLens traces AI agent runs with OpenTelemetry-native evals, showing where an agent fails and where you can cut cost.

FreeTry
Visit TruLens
MLflow

MLflow

Open source AI engineering platform for agent and LLM tracing, evaluation, prompt management, and ML lifecycle work.

FreeTry
Visit MLflow
Athina AI

Athina AI

Athina AI is a collaborative AI development platform for managing prompts, running LLM evaluations, and monitoring production traces in one

FreemiumTry
Visit Athina AI
Fiddler AI

Fiddler AI

Fiddler AI is an enterprise AI control plane for agent observability, inline guardrails, and auditable AI governance.

FreemiumTry
Visit Fiddler AI
Honeycomb Query Assistant

Honeycomb Query Assistant

Honeycomb Query Assistant turns plain-English questions into HQL against live production telemetry.

FreemiumTry
Visit Honeycomb Query Assistant
Cycode

Cycode

Agentic development security platform that puts guardrails around AI-written code and remediates findings with agents

Contact SalesTry
Visit Cycode
RAGAS

RAGAS

Open-source Python framework that replaces vibe checks with reproducible evaluation loops for RAG pipelines and AI agents.

FreeTry
Visit RAGAS
Zenity

Zenity

AI agent security and governance that watches the decision — inventory, policy guardrails, and runtime defense for enterprise agents.

Contact SalesTry
Visit Zenity
Langfuse Prompt Experiments

Langfuse Prompt Experiments

Langfuse Prompt Experiments links LLM tracing, prompt versioning, and evaluators so you can test prompts against real production data.

FreemiumTry
Visit Langfuse Prompt Experiments
Tokentelemetry

Tokentelemetry

Local, MIT-licensed token and cost observability for AI coding agents — reads the logs your agents already write.

FreeTry
Visit Tokentelemetry
Metoro

Metoro

Metoro is a Kubernetes observability and AI SRE agent that watches your cluster with eBPF and opens fix PRs for production issues.

FreemiumTry
Visit Metoro
OpenJudge

OpenJudge

OpenJudge is an Apache 2.0 open-source AI evaluation framework shipping 50+ benchmark-validated graders for agents, LLMs, code, math, and multimodal models.

FreeTry
Visit OpenJudge
Chronicle Labs

Chronicle Labs

Chronicle Labs replays your production data to test and validate AI agents before launch.

FreemiumTry
Visit Chronicle Labs
Olas Network

Olas Network

Co-own autonomous AI agents on-chain: stake OLAS, run agents that trade, hire each other and settle payments.

FreeTry
Visit Olas Network
Dash0

Dash0

Dash0 is OpenTelemetry-native observability where Agent0 investigates incidents, finds root cause, and opens fix PRs.

FreemiumTry
Visit Dash0
DataRobot

DataRobot

Enterprise agent workforce platform for building, operating, and governing AI agents across on-prem, hybrid, and multi-cloud environments.

Contact SalesTry
Visit DataRobot
Cyera

Cyera

Cyera is an AI-native data security platform for DSPM, DLP and AI agent governance across your data, identities and agents.

Contact SalesTry
Visit Cyera

Frequently asked questions

What are the best alternatives to Galileo?

We currently list 30 alternatives to Galileo: Galileo AI Evals, Langfuse, Braintrust, OpenLIT, Arize Phoenix. Each is ranked by direct product-type match rather than generic category overlap.

How do you choose which Galileo alternatives to show?

Alternatives are ranked by direct product-type match — tools that do the same job — not by shared category tags. Every listed tool is independently re-verified on a continuous cycle.