15+ Best Alternatives to Galileo in 2026
Looking for an alternative to Galileo? Below are 15 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 →
Confident AI
$2.2MDeepEval-powered LLM evaluation and observability
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 2View alternative →
Guardrails AI
$7.5MThe AI reliability platform for production GenAI
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 3View alternative →
AfterQuery
$30MExpert reasoning datasets and benchmarks for frontier AI
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 4View alternative →
Freeplay
$8.9MWhy it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 5View alternative →
HoneyHive
$7.4MObservability and evaluation for production AI agents
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 6View alternative →
micro1
$35MHuman intelligence infrastructure for high-quality AI training data
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Enterprise · Contact sales
- 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 →
Maxim AI
$3MGenAI evaluation, simulation and observability platform for AI agents
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 9View alternative →
RagaAI
$4.7MWhy it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 10View alternative →
LangWatch
$1.1MPlatform for LLM evaluations, agent testing and observability
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Open source
- 11View 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
- 12View alternative →
Autoblocks AI
$2MCollaborative evaluation and testing platform to build safe AI apps
Why it's similar: Shares categories with Galileo — AI Evaluation.
💵 Free
- 13View 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
- 14View 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
- 15View 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 Confident AI, Guardrails AI, AfterQuery, Freeplay, HoneyHive. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Galileo?
Yes — Confident AI, Guardrails AI, AfterQuery 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 Confident AI — which is better?
It depends on use case. Confident AI (DeepEval-powered LLM evaluation and observability) is the #1-ranked alternative. See the full side-by-side at /compare/galileo-evaluation-vs-confident-ai.
Explore more around Galileo
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