Competitive Space
LLM Prompt Evaluation
Companies competing in this space
Name
Stage
Founded
Aporia
acquired
2019
Braintrust
Series A
2023
Gentrace
Series A
2023
Humanloop
seed
2020
Klu
pre-seed
2022
Langfuse
seed
2022
Openlayer
Series A
2021
Promptfoo
Series A
2024
PromptLayer
seed
2021
Velvet
pre-seed
2023
Vertesia
seed
2024
About this competitive space
Tools for evaluating LLM prompts either in development or monitoring production LLM responses.
Metrics about companies in this space
Average blog post output per month
Name
Average output
Total all time
Braintrust
2.8
99
Promptfoo
2.7
64
PromptLayer
1.3
76
Langfuse
1.2
57
Humanloop
0.9
66
Vertesia
0.8
20
Aporia
0.7
58
Gentrace
Not yet available.
11
Klu
Not yet available.
24
Openlayer
Not yet available.
11
Velvet
Not yet available.
Not yet available.
YouTube subscribers by company
Company
Subscribers
Langfuse
2240
PromptLayer
610
Aporia
66
Gentrace
19
Openlayer
8