Galileo13 customers
Used by 13 companies on usedby, 4 of them in Telecommunications. 2 also use Langchain. Compare Langchain and Galileo
Source: galileo.ai, latest capture Oct 6, 2026.
Langchain alternatives
What Langchain customers also use, ranked by public customers.
5 of the 32 Langchain customers on usedby also use another tool on this list. The tools most often used by the same companies are Galileo (2 shared, 13 customers in all), TrueFoundry (1 shared, 27 customers in all), and E2B (1 shared, 23 customers in all).Latest check Oct 7, 2026: 258 of 264 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.
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Langchain customers also use another tool on this list
Galileo shares the most companies with Langchain: 2 companies use 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 Langchain. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Langchain | Customers | Compare |
|---|---|---|---|---|
| 1 | GalileoMostly Telecommunications (4) | 2 | 13 | Compare Langchain vs Galileo |
| 2 |  TrueFoundry | 1 | 27 | Compare Langchain vs TrueFoundry |
| 3 |  E2BMostly Artificial Intelligence (4) | 1 | 23 | Compare Langchain vs E2B |
| 4 |  Comet Opik | 1 | 17 | Compare Langchain vs Comet Opik |
| 5 |  Mem0 | 1 | 16 | Compare Langchain vs Mem0 |
| 6 |  Flowise | 1 | 13 | Compare Langchain vs Flowise |
TrueFoundry27 customers
Used by 27 companies on usedby. 1 also uses Langchain. Compare Langchain and TrueFoundry
Source: truefoundry.com, latest capture Oct 6, 2026.
E2B23 customers
Used by 23 companies on usedby, 4 of them in Artificial Intelligence. 1 also uses Langchain. Compare Langchain and E2B
Source: e2b.dev, latest capture Oct 6, 2026.
Comet Opik17 customers
Used by 17 companies on usedby. 1 also uses Langchain. Compare Langchain and Comet Opik
Source: comet.com, latest capture Oct 7, 2026.
Mem016 customers
Used by 16 companies on usedby. 1 also uses Langchain. Compare Langchain and Mem0
Source: mem0.ai, latest capture Oct 7, 2026.
Flowise13 customers
Used by 13 companies on usedby. 1 also uses Langchain. Compare Langchain and Flowise
Latest capture across its sources: Oct 5, 2026.
Other LLM Ops & Frameworks tools on usedby
Same category, with public customers, but no company named with Langchain yet.
Braintrust39 customers
Arize AI35 customers
Portkey22 customers
CrewAI13 customers
Fiddler AI10 customers
Contextual AI4 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 | Braintrust71% | Arize AI14% | 14 companies |
| Fintech & Payments | Braintrust31% | Langchain23% | 13 companies |
| IT Services & System Integration | Arize AI20% | Mem020% | 10 companies |
| HR & Recruiting | Langchain50% | Arize AI13% | 8 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 Langchain alternatives
Which tool shares the most customers with Langchain?
Galileo: 2 companies use both on usedby. Galileo has 13 customers in all. See who uses Galileo.
Do Langchain customers use other tools too?
5 of the 32 Langchain customers on usedby also use another tool on this list. Galileo shares the most: 2.
Which of Langchain 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 Langchain and its alternatives do DevTools & Infrastructure companies on usedby use?
Among the 14 DevTools & Infrastructure companies on usedby that use one of these tools, 71% use Braintrust. Arize AI comes next, with 14%.
How does usedby rank Langchain 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.