CallMissed Blog
Insights on AI communication, voice agents, WhatsApp automation, and the future of customer engagement.
6 min readGuideMay 16, 2026
RAG Best Practices in 2026: Chunking, Reranking, Hybrid Search
RAG (retrieval-augmented generation) graduated from a 2023 buzzword to a 2026 production pattern, and along the way the industry agreed on what actually matters. Most quality wins come from four levers: chunking strategy, hybrid retrieval, rerankers, and the long-context vs RAG tradeoff. Get those f…
5 min read
ComparisonMay 8, 2026
Embedding Models in 2026: OpenAI vs Cohere vs Open Source
The choice of embedding model shapes everything downstream in a RAG system — retrieval quality, storage cost, query latency, and ceiling on hybrid-search performance. In 2026 the field has narrowed to a clear set of contenders: OpenAI's text-embedding-3 family, Voyage AI's voyage-3 / voyage-3-large,…