18+ Best Alternatives to Galileo in 2026
Evaluation and observability platform that helps enterprise AI teams measure, debug, and
Looking for an alternative to Galileo? Below are 18 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
LMArena
$250MCrowdsourced leaderboard for ranking AI models
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 2View alternative →
Giskard
$8MSecure AI agents with continuous AI red teaming
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Open source
- 3View alternative →
Traceloop
$6.1MLLM observability and reliability built on the open-source OpenLLMetry standard
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 4View alternative →
micro1
$35MHuman intelligence infrastructure for high-quality AI training data
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Enterprise · Contact sales
- 5View alternative →
Scale AI
$14.3BData labeling and AI infrastructure platform powering frontier models for enterprises and governments.
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Enterprise · Contact sales
- 6View alternative →
AfterQuery
$30MExpert reasoning datasets and benchmarks for frontier AI
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 7View alternative →
Gentrace
$14MCollaborative testing and evaluation platform for generative AI apps
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 8View alternative →
Confident AI
$2.2MDeepEval-powered LLM evaluation and observability
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 9View alternative →
HoneyHive
$7.4MObservability and evaluation for production AI agents
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 10View alternative →
Maxim AI
$3MGenAI evaluation, simulation and observability platform for AI agents
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 11View alternative →
Guardrails AI
$7.5MThe AI reliability platform for production GenAI
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 12View alternative →
Freeplay
$8.9MEnd-to-end platform for product teams building with LLMs, covering prompt and model
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 13View alternative →
Autoblocks AI
$2MCollaborative evaluation and testing platform to build safe AI apps
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 14View alternative →
LangWatch
$1.1MPlatform for LLM evaluations, agent testing and observability
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Open source
- 15View alternative →
RagaAI
$4.7MAI testing and safety platform that automatically detects, diagnoses, and helps fix issues
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 16View alternative →
Braintrust
$80MThe AI observability platform for building quality AI products at scale.
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Enterprise · Contact sales
- 17View alternative →
Arize AI
$132MThe AI & Agent Engineering Platform for development, observability, and evaluation of LLM applications.
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Enterprise · Contact sales
- 18View alternative →
Humane Intelligence
UndisclosedA 501(c)(3) nonprofit dedicated to breaking down barriers to AI deployment for social good through rigorous evaluations.
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Galileo?
The top-ranked alternatives to Galileo on NeuronFeed are LMArena, Giskard, Traceloop, micro1, Scale AI. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Galileo?
Yes — LMArena, Giskard, Traceloop offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Galileo, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Galileo vs LMArena — which is better?
It depends on use case. LMArena (Crowdsourced leaderboard for ranking AI models) is the #1-ranked alternative. See the full side-by-side at /compare/galileo-evaluation-vs-lmarena.
Explore more around Galileo
Contextual paths to related AI startups, deals and rankings.