Langfuse
LangSmith
Helicone AI
Galileo AI
PromptLayer
Arize
Future AGI
Rapidly ship AI without guesswork
Upflowy
A free library of the best onboarding flows for inspiration

Which is more popular?
Based on our record, Braintrust.dev seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
B
Braintrust.dev
|
FW
Forms Work
|
|
|---|---|---|
| Website | braintrust.dev | forms.work |
| Listed in |
What each product offers, as listed by its team.
Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.
No analysis of Braintrust.dev yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using Braintrust.dev and Forms Work. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.
Braintrust focuses on evaluation-driven development: the idea that monitoring LLM applications means continuously scoring outputs against quality criteria, not just tracking latency and error rates. It's an eval platform first, with... - Source: dev.to / 5 months ago
You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / 5 months ago
Same approach works with Langfuse, Phoenix, Braintrust, or your existing OTel pipeline — the metadata.userId pattern is the universal part. - Source: dev.to / 5 months ago
Tracking Forms Work since Mar 2023.
When comparing Braintrust.dev and Forms Work, you can also consider the following products.

Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
Compare Langfuse to Braintrust.dev or Forms Work:

Upflowy is a drag and drop no code tool to build and optimize web experiences.
Compare Upflowy to Braintrust.dev or Forms Work:

Build and deploy LLM applications with confidence
Compare LangSmith to Braintrust.dev or Forms Work:

Open-source LLM Observability for Developers
Compare Helicone AI to Braintrust.dev or Forms Work:

The first platform built for prompt engineers
Compare PromptLayer to Braintrust.dev or Forms Work: