Top 10 Galileo Alternatives 2026
AI observability and evaluation platform to evaluate, monitor, and protect GenAI applications and agents at enterprise scale
Trusted by 2M+ software buyers annually.
Galileo is a LLM Observability & Evaluation Software platform. Teams looking for alternatives typically need better pricing flexibility, easier deployment, or a closer feature fit for their specific use case. Below you'll find 10 vetted LLM Observability & Evaluation Software alternatives ranked by user rating, with filters to narrow by pricing, platform, and features — so you can find the right fit for 2026.
Galileo vs Top Alternatives at a Glance
Side-by-side comparison of pricing, user rating, and free trial availability to help you decide faster.
| Tool | Best For | Pricing | Rating | Free Option |
|---|---|---|---|---|
| Galileo Current | LLM Observability & Evaluation Software | Free plan available | No reviews | ✓ Yes |
 Confident AI | LLM Observability & Evaluation Software | $39.00 | No reviews | ✓ Yes |
 Athina AI | LLM Observability & Evaluation Software | Free plan available | No reviews | ✓ Yes |
 Freeplay | LLM Observability & Evaluation Software | Custom pricing | No reviews | ✗ No |
 Maxim AI | LLM Observability & Evaluation Software | Custom pricing | No reviews | ✗ No |
 LangWatch | LLM Observability & Evaluation Software | Custom pricing | No reviews | ✗ No |
Showing 1-10 out of 10
List of the Top Galileo alternatives as of September 2026
Compare business software, products, and services to find the best solution for your business or organization. Use the filters on the left to drill down by category, pricing, features, market segment, user ratings, and more.
Confident AI
Evaluation platform built on the DeepEval open-source framework
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What is Confident AI?
Confident AI is the platform built around DeepEval, an open-source evaluation framework that treats LLM testing like unit testing — assertions over metrics such as faithfulness, answer relevance and contextual precision, runnable in CI. The hosted platform adds dataset curation, regression ...
Read moreCommon Features
No common features
Unique Features
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Reporting
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A/B Testing
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Monitoring
+ 1 more
Pricing
Starts from $39.00/month when Billed Yearly, also offers free forever plan
Athina AI
Evaluation and monitoring for LLM applications with a self-hosted option
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What is Athina AI?
Athina AI provides evaluation and monitoring for LLM applications, with a library of preset evaluators, support for custom ones, and dataset management for running experiments before shipping a prompt or model change. It offers a self-hosted deployment so prompts and completions stay inside the ...
Read moreCommon Features
No common features
Unique Features
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API Integration
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Workflow Management
Pricing
Athina AI offers custom pricing plan
Spotsaas Buyer Intelligence
Own the software buyers are comparing here? See who's weighing you against rivals — and who's comparing your competitors while you're not in the running.
Freeplay
Prompt experimentation and evaluation for cross-functional AI teams
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What is Freeplay?
Freeplay is an operations platform for teams building AI features, covering prompt management and versioning, batch testing, human review workflows and production monitoring. Its emphasis is collaboration between engineers and the domain experts who judge whether output is actually good, giving ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
Freeplay offers custom pricing plan
Maxim AI
End-to-end simulation, evaluation and observability for AI agents
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What is Maxim AI?
Maxim AI covers the agent lifecycle from prompt experimentation through simulation and evaluation to production observability. Its simulation capability runs agents against generated user personas and scenarios to surface multi-turn failures that single-prompt evaluation misses — an agent can ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
Maxim AI offers custom pricing plan
LangWatch
Open-source agent testing, evaluation and monitoring
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What is LangWatch?
LangWatch provides testing, evaluation and monitoring for LLM agents, with tracing across agent steps, automated evaluation including scenario-based agent testing, and prompt optimisation using DSPy. It is open-source with a self-hosted option and is framework-agnostic across common agent ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
LangWatch offers custom pricing plan
Traceloop
OpenTelemetry-native LLM tracing via OpenLLMetry
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What is Traceloop?
Traceloop provides LLM observability built on OpenLLMetry, its open-source OpenTelemetry extension for generative AI. Because the instrumentation is standard OpenTelemetry, traces flow into existing observability backends such as Datadog, Honeycomb or Grafana rather than requiring a separate ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
Traceloop offers custom pricing plan
Braintrust (AI Observability)
The AI observability platform for building quality AI products
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What is Braintrust (AI Observability)?
Braintrust is an evaluation and observability platform for teams building production LLM applications and agents. It lets engineers log and trace LLM calls with latency, token, and cost metrics, run structured evals against datasets to score output quality, and replay logged production traces ...
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TruLens
Open-source evaluation and tracing for LLM apps and agents
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What is TruLens?
TruLens is an open-source library for evaluating and tracing LLM applications, built around programmatic feedback functions that score outputs for groundedness, context relevance and answer relevance — the triad it uses to diagnose retrieval-augmented generation. Instrumentation is added in ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
TruLens offers custom pricing plan
Arize Phoenix
Open-source LLM tracing and evaluation, runs locally
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What is Arize Phoenix?
Phoenix is Arize's open-source observability and evaluation tool for LLM applications, built on OpenTelemetry so traces are portable rather than locked to one vendor. It runs locally in a notebook or as a self-hosted service, capturing spans across retrieval, prompting and tool calls, and ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
Arize Phoenix offers custom pricing plan
Opik
Open-source LLM tracing, evaluation and production monitoring
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What is Opik?
Opik is Comet's open-source platform for tracing, evaluating and monitoring LLM applications, covering development-time experimentation and production monitoring in one tool. It records traces across chains and agents, supports LLM-as-judge and heuristic evaluators, and can gate CI on ...
Read moreCommon Features
No common features
Unique Features
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Dashboard
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Analytics
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Reporting
+ 3 more
Pricing
Opik offers custom pricing plan
Which Galileo Alternative Is Right for You?
- If you need a free or low-cost option: Confident AI — offers a free plan or trial suitable for small teams.
- If you want a mid-range option: Traceloop — sits in the middle of the list by rating and may fit teams with mixed requirements.
Frequently Asked Questions (FAQs)
Stuck on something? We're here to help with all the questions and answers in one place.
The top-rated alternatives to Galileo for LLM Observability & Evaluation Software are Confident AI, Athina AI, Freeplay. Compare all 10 alternatives side-by-side above.
For small businesses, the best LLM Observability & Evaluation Software tools are Langfuse, Helicone, LangSmith. Look for affordable per-seat pricing, quick setup (under 1 day), no long-term contracts, and strong onboarding support to reduce time-to-value.
Migration difficulty depends on how deeply Galileo is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.
About the reviewer
Rajat Gupta is the founder of Spotsaas. Over the past two years, he has reviewed 2,000+ tools across CRM, HR, AI, and finance — applying hands-on product research and a background in commerce and the CFA program to evaluate software through a business and ROI lens. His goal: help teams make software decisions they won't regret.
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].