https://www.jamieede.com/tags/cost/ Recent content in Cost on Jamie Ede Hugo en-us Fri, 22 May 2026 14:00:00 +0000 https://www.jamieede.com/posts/deepseek-instead-of-openai-chat-langflow-rag/ Fri, 22 May 2026 14:00:00 +0000 https://www.jamieede.com/posts/deepseek-instead-of-openai-chat-langflow-rag/ <p>The Langflow DataStax RAG template ships with an OpenAI chat node. For <a href="https://www.jamieede.com/astra-chat" >Astra Docs Chat</a> , I replaced it with <strong>DeepSeek</strong> for streaming answers: cheaper at volume, acceptable on technical Q&amp;A over retrieved docs.</p> <p>Context: <a href="https://www.jamieede.com/posts/building-astra-docs-chat-rag-over-datastax-on-langflow-and-cloudflare-pages/" >Building Astra Docs Chat</a> · <a href="https://www.jamieede.com/posts/langflow-rag-astra-db-ingest-and-chat-flows/" >Langflow chat flow</a> · <a href="https://www.jamieede.com/posts/astra-db-vector-store-datastax-docs-rag/" >Astra DB vector store</a> </p> <p>Embeddings stayed on OpenAI <code>text-embedding-3-small</code>: only the <strong>generation</strong> step changed. See <a href="https://www.jamieede.com/posts/chunking-embedding-technical-docs-rag/" >chunking and embedding post</a> for why those stay paired.</p> <p>Try it: <a href="https://www.jamieede.com/astra-chat" >Astra Docs Chat</a> </p>