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Maxim AI vs Arize Phoenix
Side-by-side comparison of features, pricing, and ratings
Pricing
Contact Sales
Freemium
Plans
$0/mo
$29/seat/month
$49/seat/month
Custom
Free
Contact for pricing
Popularity
5.0k views
7.3k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
WebAPICLI
WebAPICLI
Categories
💻 Code & Development📊 Data & Analytics🤖 Automation & Agents
💻 Code & Development📊 Data & Analytics
Features
Prompt IDE for no-code testing across models and tools
Prompt versioning outside codebase
Low-code prompt chain builder
One-click prompt deployment with custom rules
AI-powered agent simulation at scale
Pre-built evaluator library (LLM-as-judge, statistical, etc.)
Custom evaluator support
Real-time agent observability with traces
Debugging tools for live issues
Online evaluations on real-time interactions
Alerting on quality and safety regressions
Dataset curation with synthetic and custom data
Native support for tool definitions and structured outputs
Framework-agnostic SDKs (Python, CLI, webhooks)
Bifrost LLM gateway for traffic management
Agent tracing with prompts, retrievals, tool calls, outputs
LLM-as-judge evaluation and human annotation
Dataset creation from traces for experiments
Prompt IDE for iterative prompt optimization
Hypothesis testing with benchmarked experiments
Cost, latency, and performance scoring
Self-hosted deployment (local, Docker, Kubernetes)
Cloud-based free instances with no infrastructure setup
OpenTelemetry native support
Vendor-agnostic: works with any model/framework/language
Open-source (ELv2) with community contributions
9k+ GitHub stars and 2.5M+ monthly downloads
Integrations
LlamaIndex
OpenTelemetry