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Which is more popular?
Based on our record, Convex.dev should be more popular than Braintrust.dev. It has been mentioned 16 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.

Possible disadvantages
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Convex.dev and Braintrust.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

Really great developer experience. Helpful devs in chat.
On this pageConvex vs. FirebasenoteBackend API: Documents or Functions?Avoiding Serial Request Waterfalls// Client code in a Cloud Firestore chat app.// This loads the messages and users using multiple round...
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Recommendations tracked on public social media and blogs since March 2021.

Convex for backend functions, data, and realtime state. - Source: dev.to / about 2 months ago
This is the only AI app builder that knows backend. By applying Convex primitives directly to your code generation, your apps are automatically equipped with optimal backend patterns and best practices. Your full-stack apps come with a... - Source: dev.to / 12 months ago
Convex account with production deployment. - Source: dev.to / about 1 year ago
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
When comparing Convex.dev and Braintrust.dev, you can also consider the following products.


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