Galileo AI Review 2026 - Evals to Guardrails
Verified Oct 1, 2026 by Tooliverse Editorial
Galileo turns your AI evals into guardrails that actually block bad outputs. Its Luna models watch 100% of production traffic at 96% lower cost, so agent failures get caught before customers ever see them.
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Galileo: The AI observability platform that stops AI failures.
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Galileo AI Review: Tooliverse Consensus
Based on 335 verified reviews across 5 platforms,
combined with Tooliverse's expert analysis
Galileo turns evaluation into enforcement: its compact Luna-2 models score agent outputs in under 200 milliseconds, so checks built in development can block bad responses in production. Reviewers also credit its graph-style tracing of multi-step agent workflows and a Splunk integration that feels native for enterprise monitoring teams. The costs are real, though. Pricing is aimed at larger organizations, instrumenting complex agent loops takes serious effort, and some users worry that deep integration invites vendor lock-in.
Bottom line: A top-tier observability platform that turns evals into low-latency production guardrails and traces agent decisions in detail, though enterprise pricing and demanding instrumentation will deter smaller teams.
Galileo AI | Key Specs
- Platforms
- Web, API
- Pricing Model
- Freemium ($0-100+/mo, Enterprise custom) See plans
- Privacy/Data Use
- Regular privacy impact assessments, HIPAA BAAs available
- Security
- SOC 2 Type II, HIPAA, Enterprise SSO See details
Wins
- •Luna-2 models provide real-time guardrails with sub-200ms latencymentioned in 142 reviews
- •Offers comprehensive visibility into multi-step agent workflows and decision pathsmentioned in 128 reviews
- •Integrates seamlessly with Splunk Observability Cloud for unified enterprise monitoringmentioned in 115 reviews
Watch-Outs
- •Enterprise-grade pricing can be prohibitive for smaller development teamsmentioned in 78 reviews
- •Initial setup and instrumentation of complex agent loops requires significant effortmentioned in 56 reviews
- •Occasional duplication of assets within the internal monitoring processesmentioned in 45 reviews
Galileo AI Features 2026
Luna Evaluation Models
Compact models distilled from LLM-as-judge evaluators that monitor 100% of traffic at 96% lower cost with low latency.
Galileo Signals
Automatically detects unknown failure patterns by analyzing 100% of production traces, building memory across runs.
Eval-to-Guardrail Lifecycle
Pre-production evals become production governance, controlling agent actions, tool access, and escalation paths without glue code.
Galileo Protect
Real-time guardrail policies that block harmful responses.
Galileo AI User Reviews
Selected Reviews
"The vendor has deep experience and a strong reputation with server workloads. Both the internally-developed and open-source-based tools provide excellent support for these environments."
"Galileo closes the loop with runtime protection that intercepts unsafe outputs before they reach users. It's not just logging; it's active defense."
"Luna-2 is impressive for latency, but I still find myself needing a larger model for nuanced semantic drift detection in specific domains."
More from the Community
"Luna-2 models score AI outputs across 20+ metrics simultaneously with sub-200ms latency, which is a game changer for production guardrails."
"Sometimes the assets seen duplicated due to an internal processes but nothing that cannot be fixed by Galileo's support team."
"Pricing is also one of the concerns. It is definitely positioned for the enterprise market and might be too much for a startup budget."
"The only platform that handles multi-agent tracing correctly. We can see exactly where the tool call failed in the graph view."
"The new dark mode and annotation queues are great additions. Splunk integration is finally feeling native after the acquisition."
"Luna-2 models score AI outputs across 20+ metrics simultaneously with sub-200ms latency, which is a game changer for production guardrails."
"Sometimes the assets seen duplicated due to an internal processes but nothing that cannot be fixed by Galileo's support team."
"Pricing is also one of the concerns. It is definitely positioned for the enterprise market and might be too much for a startup budget."
"The only platform that handles multi-agent tracing correctly. We can see exactly where the tool call failed in the graph view."
"The new dark mode and annotation queues are great additions. Splunk integration is finally feeling native after the acquisition."
"Luna Studio makes it so much easier to build evals you can actually trust without the massive bill of using GPT-4 as a judge."
"It offers multiple features such as precise timing, positioning data, and integration capabilities, which support various IT infrastructure needs."
"Ease of use and ease of install/upgrade agents for Linux servers. And give us the power of resolve health issues based on alerts."
"Agentic Evaluations addresses the challenges developers face in building and evaluating AI agents, specifically the non-deterministic paths."
"Luna Studio makes it so much easier to build evals you can actually trust without the massive bill of using GPT-4 as a judge."
"It offers multiple features such as precise timing, positioning data, and integration capabilities, which support various IT infrastructure needs."
"Ease of use and ease of install/upgrade agents for Linux servers. And give us the power of resolve health issues based on alerts."
"Agentic Evaluations addresses the challenges developers face in building and evaluating AI agents, specifically the non-deterministic paths."
Galileo AI Pricing 2026
View SourceStart on the free plan: 5,000 traces a month and unlimited users is enough to instrument one agent and judge whether the evals pay off. Pro at $100/month adds 50,000 traces and Slack support, which suits a team with a live agent, but cost scales with volume, so estimate trace counts first. Real-time guardrails sit in Enterprise, so if blocking bad outputs is the goal, go straight to a sales conversation.
Galileo AI In-Depth Review 2026
Galileo is an AI observability and eval engineering platform, now part of Cisco, with Splunk marketing the technology as Agent Observability. Its central idea is distilling expensive LLM-as-judge evaluators into compact Luna models, so the same evals used during development run as guardrails across all production traffic at 96 percent lower cost. It deploys as SaaS, in a virtual private cloud, or on-premises, and ships with more than 20 prebuilt evals for RAG, agents, safety, and security.
What It's Like Day-to-Day
Reviewers describe a workflow that starts with tracing. Multi-step agent runs appear as a graph of decisions and tool calls, so an engineer can see where a chain went sideways instead of combing through raw logs. One DevOps reviewer on G2 called it "the only platform that handles multi-agent tracing correctly," and similar praise shows up in well over a hundred reviews. Galileo Signals extends this by scanning production traces for failure patterns nobody thought to write an eval for, then suggesting fixes and generating an LLM judge in one click.
The Luna-2 evaluators are the other headline.
Galileo AI Security & Compliance
Verified Compliance
- SOC 2 Type II
- HIPAA compliant (BAA available)
Security Features
- Enterprise-grade security RBAC and SSO
- Trust Center via Vanta
- Responsible Disclosure Program
Privacy Commitments
- Dedicated security and privacy team conducts regular privacy impact assessments
- Can execute HIPAA Business Associate Agreements (BAAs)
Galileo AI: Frequently Asked Questions (FAQs)
Does Galileo have a free plan?
Yes, Galileo offers a Free plan at $0/month with 5,000 traces per month, unlimited users, and unlimited custom evals. No demos or sales calls are required to create a free account.
How much does Galileo Pro cost?
Galileo Pro starts at $100/month and includes 50,000 traces per month, standard RBAC, advanced analytics & insights, and Slack support. Pricing scales based on number of traces.
What does Galileo Enterprise include?
Galileo Enterprise offers custom pricing with unlimited traces, custom rate limits, hosted/VPC/on-prem deployment, SSO, dedicated CSM, real-time guardrails, 24/7 support, and forward deployed engineering support.
What is Galileo?
Galileo is an AI observability and eval engineering platform where offline evals become production guardrails. It supports evaluating, monitoring, and guardrailing AI agents.
Galileo AI Integrations
| NVIDIA NeMo | NVIDIA NIM | NeMo Guardrails |
| CrewAI | MongoDB | ElevenLabs |
| Slack |
Galileo AI: Verified Data Sheet
| # | Label | Data Point |
|---|---|---|
| [1] | Galileo AI Consensus: 8.91/10 | Galileo AI is a highly-rated tool among AI analytics tools in the Tooliverse index, with a consensus score of 8.91/10 across 335 verified reviews. |
| [2] | What is Galileo AI | Galileo is a SOC 2 Type II AI observability and eval engineering platform, now part of Cisco. Its Luna models turn evals into guardrails across 100% of traffic, with a free tier and Pro from $100/month. |
| [3] | Tooliverse Consensus on Galileo AI | Galileo turns evaluation into enforcement: its compact Luna-2 models score agent outputs in under 200 milliseconds, so checks built in development can block bad responses in production. Reviewers also credit its graph-style tracing of multi-step agent workflows and a Splunk integration that feels native for enterprise monitoring teams. The costs are real, though. Pricing is aimed at larger organizations, instrumenting complex agent loops takes serious effort, and some users worry that deep integration invites vendor lock-in. |
| [4] | Galileo AI Verdict | Galileo AI bottom line: A top-tier observability platform that turns evals into low-latency production guardrails and traces agent decisions in detail, though enterprise pricing and demanding instrumentation will deter smaller teams. |
| [5] | Free: Free | Galileo AI provides a functional Free tier with 5,000 traces per month and Unlimited users, making AI tools accessible at no cost. |
| [6] | Splunk Observability Cloud integration | Galileo AI integrates with Splunk Observability Cloud for unified enterprise monitoring, a benefit highlighted in 115 user reviews; Cisco has announced its intent to acquire Galileo, and Splunk markets the technology as Agent Observability. |
| [7] | Agentic metrics catch hallucinations | Galileo AI uses proprietary agentic metrics to detect hallucinations and rogue tool calls, and 98 user reviews credit these metrics with catching failures that standard logging misses. |
| [8] | Eases non-deterministic agent evals | Galileo AI simplifies evaluation of non-deterministic AI agent behavior, a benefit reported in 87 user reviews and supported by 20+ out-of-the-box evals for RAG, agents, safety, and security. |
| [9] | Pro: $100/month | Cisco (acquisition announced; Splunk)'s Galileo AI Pro empowers users with 50,000 traces per month for just $100 monthly, significantly expanding on the free tier's capabilities. |
| [10] | Sub-200ms Luna-2 guardrails | Galileo AI delivers real-time guardrails through its Luna-2 models with sub-200ms latency, a capability cited in 142 user reviews and described by a Product Hunt reviewer as scoring outputs across 20+ metrics simultaneously. |
| [11] | Pricing strains smaller teams | Galileo AI carries enterprise-oriented pricing that 78 user reviews describe as prohibitive for smaller development teams, with Pro starting at $100/month for 50,000 traces and Enterprise pricing set through sales. |
| [12] | Heavy initial instrumentation effort | Galileo AI requires significant effort to set up and instrument complex agent loops, according to 56 user reports. |
| [13] | Privacy: Dedicated security and privacy team conducts regular privacy impact assessments | Galileo AI privacy protections include Dedicated security and privacy team conducts regular privacy impact assessments and Can execute HIPAA Business Associate Agreements (BAAs). |
| [14] | Enterprise: Enterprise-grade security RBAC and SSO | Galileo AI provides enterprise security through Enterprise-grade security RBAC and SSO, a Trust Center via Vanta, and a Responsible Disclosure Program. |
| [15] | Luna-2 a game changer for guardrails | A verified Product Hunt reviewer noted that Galileo AI's Luna-2 models "score AI outputs across 20+ metrics simultaneously with sub-200ms latency, which is a game changer for production guardrails." |
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