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Reviewed · Updated 2026-06-16

Galileo

A generative AI platform for creating realistic simulations and 3D visualizations for research and design.

Reviewed by the Conversion Gems editorial team ·
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Pricing
Freemium
Best for
Data Scientists
Category
Developer & Technical
The bottom line

A strong GenAI evaluation, observability and guardrail platform for teams shipping LLM/agent apps; great for production confidence, with serious features gated to paid tiers.

7.5
Our score
7.5 / 10
Conversion Gems editorial verdict
Free (5K traces/mo); Pro $100/mo; Enterprise
Features9/10
9 - evaluations, observability, guardrails, multi-model support and SDKs.
Value7/10
7 - a useful free tier with a modest quota; serious tiers are paid.
Ease of use7/10
7 - a quick SDK start, though developer-oriented.
Ecosystem7/10
7 - major LLMs, agent frameworks and Google Cloud.
Support6/10
6 - Slack and enterprise support.

Community ratings

4.7/ 5 aggregate · across 2 sources
G2
4.415+ reviews
Capterra
4.920+ reviews

Third-party ratings shown verbatim; aggregate weighted by review volume.

What it really is

An enterprise platform for evaluating, monitoring and guarding generative-AI and agentic apps - tracing runs, scoring quality (hallucinations, correctness, safety) and applying runtime guardrails; not a simulation/3D tool.

Our take

It targets a real pain: knowing whether your LLM/agent app is actually good and safe in production. You log traces, run automated and custom evals (powered by its low-latency Luna-2 evaluators), compare prompts/models, and on higher tiers add real-time guardrails. The trade-offs are that it's opinionated and enterprise-leaning, and the free tier's trace quota is modest versus some rivals.

Best for
AI/ML teams productionizing LLM and agent apps
Teams needing hallucination/safety evals and monitoring
Regulated orgs wanting runtime guardrails and on-prem
Not good for
Anyone expecting a simulation or 3D-visualization tool
Hobbyists who don't need formal evaluation
Teams wanting the largest free eval capacity (compare rivals)
Friction report
Time to value
Developer-fast: install the Python/TypeScript SDK, log your first trace in minutes, then add evals and monitoring.
Scale breakpoint
Costs scale with trace volume, and key capabilities (real-time guardrails, SSO, on-prem) sit on Pro/Enterprise.
Walled garden
Low-to-moderate: model-agnostic SDKs/APIs, but your evals, traces and dashboards live in Galileo.

Frequently Asked Questions

Alternatives

Step up

Braintrust or Arize for alternative eval/observability with different capacity trade-offs.

Lighter alternative

Open-source eval tools (Giskard, promptfoo) for local, free testing.

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Tags

#DeveloperTools#LLMTools#AIInfrastructure

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