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Agenta vs Phoenix
Side-by-side comparison of features, pricing, and ratings
Pricing
Freemium
Freemium
Plans
$0/month
$49/month
$399/month
Custom
$0/mo (open-source)
$0/mo (managed cloud)
Custom
Popularity
5.2k views
7.0k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
WebAPICLI
WebAPICLI
Categories
💻 Code & Development📊 Data & Analytics🔬 Research & Education
💻 Code & Development📊 Data & Analytics
Features
Prompt management with version history
Unified playground for comparing prompts and models side-by-side
Automated evaluation using LLM-as-a-judge or custom code evaluators
Full trace evaluation for multi-step agents
Human annotation and feedback integration
Observability with request tracing and debugging
Turn production traces into test cases with one click
Model-agnostic support (any LLM provider)
UI for non-technical team members to edit prompts safely
Full API and UI parity for programmatic control
Monitor performance and detect regressions with live evaluations
Collaboration features for PMs, developers, and domain experts
Trace every agent step (prompts, retrievals, tool calls, outputs)
LLM-as-judge evaluation for output scoring
Create datasets from traces for experiments
Run experiments to benchmark performance
Prompt IDE for prompt iteration
Self-hosted deployment for data privacy
Vendor agnostic: works with any model/framework
Native OpenTelemetry support
Local run in under a minute
Docker container deployment
Kubernetes Helm chart deployment
Cloud instances (free up to 2)
Annotation system for human/LLM feedback
Support for agent integration plugins
Integrations
LangChain
LlamaIndex
OpenAI
GitHub
Slack
OpenTelemetry
NVIDIA NeMo Agent Toolkit
Docker
Kubernetes