# Comet Opik alternatives

2 of the 17 Comet Opik customers on usedby also use another tool on this list. The tools most often used by the same companies are LangSmith (2 shared, 43 customers in all), Arize AI (1 shared, 35 customers in all) and Langchain (1 shared, 32 customers in all). Customer counts include every proof level, job-post signals included. Shared customers are counted on confirmed or observed lines on both tools. Latest check 2026-10-07: 295 of 307 public lines checked.

Tool page: https://www.usedby.ai/tools/comet-opik.md

## Alternatives

Tools of the same or a competing category ([LLM Ops & Frameworks](https://www.usedby.ai/tools/category/llm-ops-frameworks.md)), from another vendor, with at least one company named on both tools. Most shared customers first.

| Rank | Tool | Named customers shared with Comet Opik | Public customers | Most common industry | Compare |
|---|---|---|---|---|---|
| 1 | [LangSmith](https://www.usedby.ai/tools/langsmith.md) | 2 | 43 | — | https://www.usedby.ai/compare/comet-opik-vs-langsmith.md |
| 2 | [Arize AI](https://www.usedby.ai/tools/arize-ai.md) | 1 | 35 | — | https://www.usedby.ai/compare/arize-ai-vs-comet-opik.md |
| 3 | [Langchain](https://www.usedby.ai/tools/langchain.md) | 1 | 32 | — | https://www.usedby.ai/compare/comet-opik-vs-langchain.md |

## Other tools of this category

Same category, with public customers, but no company named with Comet Opik yet.

- [Braintrust](https://www.usedby.ai/tools/braintrust.md): 39 customers
- [TrueFoundry](https://www.usedby.ai/tools/truefoundry.md): 27 customers
- [E2B](https://www.usedby.ai/tools/e2b.md): 23 customers
- [Portkey](https://www.usedby.ai/tools/portkey.md): 22 customers
- [Mem0](https://www.usedby.ai/tools/mem0.md): 16 customers
- [CrewAI](https://www.usedby.ai/tools/crewai.md): 13 customers
- [Flowise](https://www.usedby.ai/tools/flowise.md): 13 customers
- [Galileo](https://www.usedby.ai/tools/galileo.md): 13 customers
- [Fiddler AI](https://www.usedby.ai/tools/fiddler-ai.md): 10 customers
- [Contextual AI](https://www.usedby.ai/tools/contextual-ai.md): 4 customers

Switches between tools are not published: naming a switch would name a departure, and usedby hides lines a vendor stops showing.

---
Source: https://www.usedby.ai/alternatives/comet-opik · How we check: https://www.usedby.ai/methodology