Arize AI35 customers
Used by 35 companies on usedby. 1 also uses Portkey. Compare Portkey and Arize AI
Source: arize.com, latest capture Oct 5, 2026.
1 of the 22 Portkey customers on usedby also uses another tool on this list. The tools most often used by the same companies are Arize AI (1 shared, 35 customers in all).Latest check Oct 7, 2026: 281 of 293 public lines checked. Customer counts include every proof level, job-post signals included. Shared customers are counted on confirmed or observed lines on both tools.
1of 22
Portkey customer also uses another tool on this list
Arize AI shares the most companies with Portkey: 1 company uses both.
Ranked by shared customers
Tools of the same or a competing category, from another vendor, used by at least one company that also uses Portkey. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Portkey | Customers | Compare |
|---|---|---|---|---|
| 1 | Arize AI | 1 | 35 | Compare Portkey vs Arize AI |
Other LLM Ops & Frameworks tools on usedby
Same category, with public customers, but no company named with Portkey yet.
LangSmith43 customers
Braintrust39 customers
Langchain32 customers
TrueFoundry27 customers
E2B23 customers
Comet Opik17 customers
Mem016 customers
CrewAI13 customers
Flowise13 customers
Galileo13 customers
Switch signals
A company that left one vendor's page and appeared on another's.
No switch publishedA switch needs a departure from one vendor's page, seen on two checks in a row, and a dated arrival on another. usedby does not publish departures yet, so no switch shows here.
By industry
Which of these tools the companies on usedby use, by industry. Each row counts the companies of that industry on usedby that use at least one of these tools.
| Industry | Most used | Next | Companies |
|---|---|---|---|
| Artificial Intelligence | E2B27% | Braintrust13% | 15 companies |
| DevTools & Infrastructure | Braintrust67% | Arize AI13% | 15 companies |
| Fintech & Payments | Braintrust33% | LangSmith33% | 12 companies |
| IT Services & System Integration | Arize AI20% | Mem020% | 10 companies |
| HR & Recruiting | LangSmith56% | Langchain44% | 9 companies |
Read the first row as: among the 15 Artificial Intelligence companies on usedby that use one of these tools, 27% use E2B. Shares can add up to more than 100% because some companies use two tools.
Questions about Portkey alternatives
Which tool shares the most customers with Portkey?
Arize AI: 1 company uses both on usedby. Arize AI has 35 customers in all. See who uses Arize AI.
Do Portkey customers use other tools too?
1 of the 22 Portkey customers on usedby also uses another tool on this list. Arize AI shares the most: 1.
Which of Portkey and its alternatives do Artificial Intelligence companies on usedby use?
Among the 15 Artificial Intelligence companies on usedby that use one of these tools, 27% use E2B. Braintrust comes next, with 13%.
Which of Portkey and its alternatives do DevTools & Infrastructure companies on usedby use?
Among the 15 DevTools & Infrastructure companies on usedby that use one of these tools, 67% use Braintrust. Arize AI comes next, with 13%.
How does usedby rank Portkey alternatives?
Only tools of the same or a competing category, from another vendor, count. They are ranked by shared customers: companies with a confirmed or observed line on both tools, from public pages, most with a dated capture. Tools with no shared customer are listed apart. Customer counts include every proof level, job-post signals included.