Cosmos alternatives
6 rag tools in the same lane as Cosmos, ranked by editorial score.
AG
Agentset
RAG · Multi-model (Claude, OpenAI, Google, xAI, Cohere, Mistral, DeepSeek)
7.3
Production-ready RAG infrastructure with agentic search, citations, and model-agnostic plumbing.
Freemium· Free: $0 · Pro: $49 · Enterprise: Customdocument-qaagentic-search
VE
Vectara
RAG · In-house Boomerang (retrieval) and Mockingbird (generation) plus BYOM for GPT, Claude, Gemini, and open-weight LLMs
Enterprise agent platform with built-in retrieval, grounding, and hallucination controls
Enterprise· SaaS: $100K/ year · VPC: $250K/ year · On-prem: $500K/ yearEnterprise knowledge-base searchGrounded customer-support chatbots
DV
Databricks Vector Search
RAG · Multi-model (BYO embeddings or Databricks-hosted)
8.1
Managed hybrid vector search that lives inside the Databricks lakehouse and auto-syncs with your source tables.
Enterprise· Standard: $605 · Storage Optimized: $922rag-retrievalhybrid-search
DA
DataStax Astra DB
RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize
8.6
Serverless vector and document database for production RAG and AI agents
Freemium· Small On-Demand: Contact sales · Medium (Balanced): Contact sales · Medium (Storage Optimized): Contact sales · Large (Balanced): Contact sales · Large (Storage Optimized): Contact salesRAG chatbot over enterprise documentsAgent long-term memory store
RE
Recall
RAG · Multi-model (GPT, Claude, Gemini)
6.8
AI-powered personal knowledge base that summarizes, links, and quizzes you on everything you save.
Freemium· Free: $0 · Plus: $10 per month, billed yearly · Max: $38 per month, billed yearlyknowledge-managementvideo-summarization
TU
Turbopuffer
RAG · bring-your-own embeddings (any provider)
Fast search on object storage
Paid· launch: $16/month · scale: $256/month · enterprise: >=$4,096/monthProduction RAG chatbotsMulti-tenant semantic search