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Crawl4AI vs Phoenix
Side-by-side comparison of features, pricing, and ratings
Open-source LLM-friendly web crawler & scraper for AI agents and RAG pipelines.
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Free
Freemium
Plans
$0/mo (MIT)
$0/mo (open-source)
$0/mo (managed cloud)
Custom
Popularity
2.8k views
7.0k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLIAPI
WebAPICLI
Categories
⚙️ Developer Infrastructure
⚙️ Developer Infrastructure
Features
Clean Markdown generation for RAG/LLM pipelines
Structured extraction via CSS, XPath, or LLM
Adaptive crawling with information foraging
Anti-bot detection with automatic proxy escalation (v0.8.5)
Shadow DOM flattening (v0.8.5)
Crash recovery for deep crawls (v0.8.0)
Prefetch mode for fast URL discovery (v0.8.0)
Parallel crawling and chunk-based extraction
Advanced browser control hooks, proxies, stealth
Session management and authentication hooks
Lazy loading and virtual scroll handling
Cache modes and local file support
LLM-free and LLM-based extraction strategies
Chunking and clustering strategies for content
Multi-URL crawling and crawl dispatcher
Full trace visibility for agents (prompts, retrievals, tool calls, outputs)
LLM-as-judge evaluation for scoring relevance, toxicity, quality
Create datasets from traces for reproducible testing
Experiment with changes and benchmark performance
Built-in Prompt IDE for iterative prompt optimization
Self-host on local, Docker, Kubernetes, or use Phoenix Cloud
Vendor-agnostic: works with any model, framework, language
Native OpenTelemetry support for standard telemetry
Annotate traces with human review or automated labels
Ghost trajectories to simulate alternative agent paths
Eval-as-you-test to catch quality issues early
OpenInference specification for LLM telemetry
ELv2 licensed, built in open with community contributions
One-click integration with LlamaIndex
Integrations
GitHub
Discord
Claude
Cursor
Windsurf
OpenTelemetry
LlamaIndex
LangChain
NVIDIA NeMo Agent Toolkit
Docker
Kubernetes
Helm
Python SDK