Galileo AI vs Portkey
Updated March 10, 2026
Overview
Galileo is a data intelligence platform for AI that helps teams evaluate, debug, and improve LLM applications. It provides metrics for hallucination detection, context adherence, chunk quality, and response completeness. Galileo's guardrails can be deployed in production to catch quality issues in real-time.
Portkey provides LLM observability alongside its gateway capabilities, offering detailed logging, metrics, and tracing for LLM API calls. Teams can monitor latency, costs, token usage, and error rates across providers, with request-level debugging and analytics dashboards for production AI applications.
Key features
Core capabilities each platform advertises.
- LLM output quality evaluation
- Hallucination guardrails
- RAG evaluation metrics
- Data-centric AI debugging
- Automated error detection
Strengths and tradeoffs
What each tool does well, and the limitations to keep in mind.
Pros
- Generous free tier with 5,000 traces/month including Agent Reliability Platform
- Recognized as Gartner Cool Vendor demonstrating industry validation
- Research-backed metrics providing scientific rigor to evaluations
- Real-time observability with automated drift detection and alerting
- Established team of 142 employees providing solid support capacity
Cons
- Limited public information about advanced features and capabilities
- Pro plan pricing jumps from free to $100/month with potential gaps for small teams
- Less community-driven compared to open-source alternatives like Langfuse
Pros
- Enterprise-scale monitoring (10B requests/month)
- Sub-40ms overhead
- Comprehensive analytics and tracing
- Strong security certifications
Cons
- Professional tier expensive (USD 2-5k/mo)
- Open-source has limited features
- Complex for small teams
Galileo AI or Portkey — which should you choose?
Choose Galileo AI if you wantChoose if you want
- Monitoring LLM output quality
- Detecting and preventing hallucinations
- Evaluating RAG pipeline accuracy
- Debugging data quality issues
- Continuous quality assurance
Choose Portkey if you wantChoose if you want
Compare Galileo AI and Portkey on your own traffic
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.