Dera – A platform to manage chunks and embeddings for building RAG apps
Hi everyone, my cofounder and I built Dera - a platform to help manage chunks and embeddings. We built this because of the pain points we experienced while building RAG applications for side projects. The biggest pain point we encountered was that we were constantly trying out different chunking strategies, but there’s no easy way to check how the strategies are performing in terms of retrieval when given the same query. We tried searching for a tool for this but couldn’t find any (most LLM dev tools focus on prompts management). We hope this tool will be useful for people building RAG apps.…
Dera – A platform to manage chunks and embeddings for building RAG apps launched on February 1, 2024 with 25 votes, #994 of 3,962 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 2 years on.
In plain words
Dera is a platform for managing chunks and embeddings in retrieval-augmented generation (RAG) applications. It addresses the challenge of testing different chunking strategies by allowing developers to compare how various approaches perform when retrieving results for the same queries. The tool is built for developers constructing RAG apps who need a straightforward way to evaluate and optimize their chunking methods without leaving their workflow.
written from the facts on this page · September 2026
From the sources
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In the maker’s words, at launch
Hi everyone, my cofounder and I built Dera - a platform to help manage chunks and embeddings. We built this because of the pain points we experienced while building RAG applications for side projects. The biggest pain point we encountered was that we were constantly trying out different chunking strategies, but…
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