Detailed comparison across 10 dimensions
Winner: Arize Phoenix
Arize Phoenix clearly comes out ahead of LangSmith on Staquest's weighted six-dimension score. Both offer a free tier. LangSmith's paid plans start at $39/mo.
| Overview | ||
|---|---|---|
| Type | hybrid | ai tool |
| Company | Arize AI | LangChain Inc. |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Learning Curve | - | - |
| Integration | - | - |
| Trending | Stable | Stable |
| GitHub Stars | - | - |
| Industries | DevelopmentMarketingAI & Machine LearningSaaS & Cloud | DevelopmentMarketingAI & Machine LearningSaaS & Cloud |
| Categories | ai-chatbotai-agents-frameworks | observability-apmai-chatbotai-agents-frameworks |
| Website | Visit | Visit |
Arize Phoenix
open source
freemium
per seat
custom
| Feature | arize-phoenix | langsmith |
|---|---|---|
| Datasets & Experiments | ||
| 1 Free Dev-Sized Deployment | ||
| Evaluation | ||
| 1 Seat | ||
| Opentelemetry-Based Instrumentation | ||
| 10,000 Base Traces/Month Included Per Seat | ||
| Prompt Playground | ||
| 5,000 Base Traces/Month Included | ||
| Self-Hosted | ||
| Access To Langsmith (Tracing, Evaluation, Prompt Hub, Playground, Canvas, Annotation Queues) | ||
| Tracing | ||
| Advanced Administration And Authentication | ||
| Annual Invoicing Options | ||
| Collaboration Features (Multiple Workspaces) | ||
| Custom Deployment Options (Including Byoc And Self-Hosting) | ||
| Dedicated Support | ||
| Enhanced Rate Limits And Throughput | ||
| Includes All Developer Features | ||
| Unlimited Seats |
Showing 19 of 19 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, Arize Phoenix comes out ahead overall, though LangSmith can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
Both Arize Phoenix and LangSmith offer a free tier.
Arize Phoenix scores higher on pricing value in Staquest's analysis. It is the highest-weighted dimension in this comparison.
Arize Phoenix is open source. The feature comparison and dimension scores above cover the full breakdown.
