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Head-to-head · AI Agent Evaluation Tools

AgentClash vs Galileo

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score AgentClash #2 in AI Agent Evaluation Tools 9.3/10 Free plan Free plan✓ 4 of 4 features Visit AgentClash
Galileo #5 in AI Agent Evaluation Tools 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Galileo

AgentClash leads on 1 check, Galileo on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAgentClash · 9.3/10
  • Lowest starting priceAgentClash · $39/mo
  • Free planboth
  • Most featuresAgentClash · 4 of 4

AgentClash scores higher on our rubric for ai agent evaluation tools: 9.3 against 8.8 out of 10; our editors rank them #2 and #5.

AgentClash is cheaper to start at $39/mo against $100/mo.

AgentClash is the better fit for teams testing agents in realistic sandboxes. Galileo is the better fit for production teams needing evaluation and guardrails.

  • AgentClash fits best

    Teams testing agents in realistic sandboxes

  • Galileo fits best

    Production teams needing evaluation and guardrails

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Side by side

Feature AgentClash 9.3/10 Visit ↗ Galileo 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #2 in AI Agent Evaluation Tools #5 in AI Agent Evaluation Tools
Best for Teams testing agents in realistic sandboxes Production teams needing evaluation and guardrails
Pricing model Free plan + paid Free plan + paid
Starting price $39/mo (best) $100/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Email, Community, Docs Email, Phone, Docs · 24/7
Compliance SSO/SAML SOC 2, HIPAA, SSO/SAML
Integrations 10 integrations 12 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features AgentClash 4/4 · Galileo 0/4
Tool-call checks ✓ (best) Not checked yet
Trace ingestion ✓ (best) Not checked yet
Safety evaluations ✓ (best) Not checked yet
Regression runs ✓ (best) Not checked yet
Specs
Evaluation methods Hybrid Not checked yet
SDK language support Not checked yet Not checked yet
Dataset limit Not checked yet Not checked yet
Our review
Pros
  • Head-to-head evaluations with shared tasks, tools, budgets, and starting states
  • Isolated microVMs, replayable traces, and detailed tool-call assertions
  • CI regression gates plus safety testing for leaks, egress, and adversarial prompts
  • Combines offline evaluation, tracing, regression testing, and runtime guardrails
  • Supports custom metrics, LLM judges, safety checks, and human feedback
  • Offers web, API, self-hosted, VPC, and on-premises deployment options
Cons
  • Free requires your own LLM API key and E2B sandbox token
  • Enterprise pricing uses custom MSA and billing terms
  • The official site lists the product as beta
  • Pro pricing starts at $100 per month with annual billing
  • Enterprise pricing requires contacting sales
  • Its broad feature set may exceed the needs of simple evaluation workflows
Our verdict

AgentClash is an open-source evaluation tool for teams developing and releasing AI agents for coding, research, operations, support, and other workloads. It runs agents against the same tasks, tools, constraints, and time budgets, then…

Read the review →

Galileo is an AI observability and evaluation platform for developers and enterprise AI teams working with LLM applications and agents. It covers offline evaluation runs, production tracing, custom evaluators, safety and security checks,…

Read the review →
  1. AgentClashAI Agent Evaluation Tools 9.3Free plan
  2. GalileoAI Agent Evaluation Tools 8.8Free plan

Strengths and trade-offs

  • AgentClash — where it wins

    • Head-to-head evaluations with shared tasks, tools, budgets, and starting states
    • Isolated microVMs, replayable traces, and detailed tool-call assertions
    • CI regression gates plus safety testing for leaks, egress, and adversarial prompts

    Where it doesn't

    • Free requires your own LLM API key and E2B sandbox token
    • Enterprise pricing uses custom MSA and billing terms
    • The official site lists the product as beta

  • Galileo — where it wins

    • Combines offline evaluation, tracing, regression testing, and runtime guardrails
    • Supports custom metrics, LLM judges, safety checks, and human feedback
    • Offers web, API, self-hosted, VPC, and on-premises deployment options

    Where it doesn't

    • Pro pricing starts at $100 per month with annual billing
    • Enterprise pricing requires contacting sales
    • Its broad feature set may exceed the needs of simple evaluation workflows

More comparisons

All AI agent evaluation tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update